HCIA-Routing & Switching H12-211 Exam Updated Dumps

dumps2021-12-22T03:30:52+08:00

Huawei H12-211 exam is one for HCIA Routing & Switching certification, which cannot be registered after December 31, 2021. If you decide to get certified, please do it quickly. There are 60 questions in real Huawei H12-211 exam, and you have 90 minutes to answer all the questions. The required passing score of HCIA Routing & Swithcing H12-211 exam is 600. The exam cost is $200. Free HCIA Routing & Switching H12-211 exam updated dumps are available below.

Page 1 of 31

1. The requested node multicast address consists of the prefix FF02::1:FF00:0/104 and the last 24 bits of the unicast address.

True

False

2. Which of the following parameters should be considered when electing a root port in STP? (Multiple choice)

Duplex mode of the port

Port slot number, such as G0/0/1

Port MAC address

Port priority

the cost of the port reaches the root switch

3. As shown in the figure, the administrator wants all hosts to access the Tnternet from 8:00 to 17:00 every day.

In the interface configuration of G0/0/1, which ACL rule should be bound to traffic-filter outbound?

time-range am9topm5 08:00 to 17:00 working-day # acl number 2003 rule 5 deny time-range am9topm5 #

time-range am9topm5 08:00 to 17:00 daily # acl number 2002 rule 5 permit time-range am9topm5 #

time-range amgtopm5 08:00 to 17:00 daily # acl number 2001 rule 5 deny time-range am9topm5 #

time-range am9topm5 08:00 to 17:00 off-day # acl number 2004 rule 5 permit time-range am9topm5 #

4. The authentication scheme, authorization scheme, accounting scheme, HWTACACS, or RADIUS server template created on the AR router can take effect only after it is applied in the domain.

True

False

5. In the link aggregation technology, which parameters can the Eth-Trunk use to implement load balancing? (Multiple choice)

Same source IP address or destination IP address

Same source port number or destination port number

Same source MAC address or destination MAC address

The same protocol type

6. As shown in the following figure, all links are Ethernet links, and all routers run OSPF.

How many DR are elected in the entire network?

7. On the network shown in the following figure, if the static route is configured on the RouterB, the NextHop corresponding to 2001::1/128 is in the routing table of RouterB.

ipv6 route-static 2001::1 128 3001::12:1

3001::12:2

fe80::fe03:c3fb

3002::12:1

3001::12:1

8. Which of the following entries is not included in the routing table?

source address

next hop

destination address

cost

9. The Router-ID of OSPFv3 can be automatically generated by the system.

TRUE

FALSE

10. A layer 2 LAN switch generates CAM table entries according to the ( ) of the received frame.

Source MAC address

Destination MAC address

Source IP address

Destination IP address

Page 2 of 31

11. As the network shown in the following figure, all routers run OSPF. The top of the link is the value of the Cost.

What is the path of the RA to the network 10.0.0.8/8?

100

12. As shown in the following figure, the two switches are connected through four links. COPPER refers to the electrical interface, and FIBR refers to the optical interface.

Which of the following two interfaces can implement link aggregation?

G0/0/3 and FE0/0/3

G0/0/3 and G0/0/2

G0/0/2 and FE0/0/3

G0/0/2 and G0/0/1

13. After receiving the BPDU set by the TC, the switch running the RSTP protocol clears the MAC address learned by all ports.

True

False

14. Refer to the graphic.

The host has a problem establishing a telnet connection with the router attached to interface G0/0/0.

Which of the following steps can be used to help the administrator identify the problem? (Choose two)

Check whether the host has configured the gateway IP address.

Check whether the switch has configured the gateway IP address.

Use the ping tool to check connectivity between host and router.

Check the telnet server configuration is right on the router.

15. What is the total length of the VLAN frame defined by IEEE 802.1Q?

16. The OSPFv3 adjacency cannot be established.

Which of the following reasons might be caused? (Muitiple choice)

Router-ID conflict

HELLO packet sending period is inconsistent

Inconsistent area numbers

Interface IPv6 address prefix is inconsistent

17. The IP addresses of clients in the network are deployed via a DHCP server.

When a host reboots, which message will the host first send to the DHCP server?

DHCP DISCOVER

DHCP REQUEST

DHCP OFFER

DHCP ACK

18. Which of the following technologies is used to bind MAC addresses to interfaces on a switch?

Port security.

19. InARP resolves the protocol address of the remote device on each virtual circuit, including IP addresses and IPX addresses.

True

False

20. Which field of the IPv6 header can be used for QoS?

Next Header

Payload Length

Traffic Class

Version

Page 3 of 31

21. Which statement is correct about the function of the network layer in the OSI reference model?

The closest layer to the user in the OSI reference model, providing network services for applications

Transmit bitstreams between devices, specifying levels, speed, and cable pins

Provide connection-oriented or non-connection-oriented data transfer and error detection before retransmission

Provide a logical address for the router to determine the path

Combine the bits into bytes, combine the bytes into frames, use the link layer address (the Ethernet uses the MAC address) to access the medium, and perform error detection.

22. The rule for creating a VLAN on a Huawei switch is that VLAN4095 cannot be created and VLAN 1 cannot be deleted.

True

False

23. Which of the following protocol does not belong to the File Transfer protocol?

TFTP

HTTP

FTP

SFTP

24. What is the main role of the DHCP DISCOVER message?

The client is used to find the DHCP server.

The DHCP server responds to the DFHCP DISCOVER packet, which carries various configuration information.

The server responds to the confirmation of the REQUEST message.

The client requests configuration or renews the lease term.

25. Refer to the capture output.

The administrator has captured three packets in the network.

Which statement regarding the captured packets is incorrect?

This packets represent a TCP three-way handshake process.

10.0.12.1 is the telnet server, while 10.0.12.2 is the telnet client.

The three packets contain no application data.

10.0.12.1 uses port 50190 to buid the telnet connection.

26. Which of the following packets is sent by the DHCPv6 client before sending a request packet to the DHCPv6 server?

27. If a port has the following configuration information, which port does the VLAN TAG carry when transmitting data frames of the VLAN?

1,2,3,100

2,3,4,6,100

2,3,100

1,2,3,4,6,100

28. Ethernet frames are processed and forwarded in the form of VLAN TAGs inside the switch.

True

False

29. Which of the following IPv6 extension headers can appear twice?

Destination option extension header

Fragment extension header

Upper layer protocol data message

hop-by-hop option extension header

30. In the STP protocol, which of the following factors will affect the election of the root switch? (Multiple Choice)

Switch interface ID

Switch interface bandwidth

IP address of the switch

The current MAC address of the switch

Switch priority

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31. The output information of a router is as follows.

Which is wrong? (Muitiple choice)

This router has enabled regional authentication.

The device is faulty. The configured Router Id is inconsistent with the actual Router I

The Router Id that is valid for this device is 10.0.12.1.

The Router Id that is valid for this device is 10.0.1.1.

32. Referring to the configuration of the one-arm route in the following figure, it can be judged that even if the ARP proxy is not enabled on the sub-interface of R1, the administrative department and the finance department can exchange visits.

TRUE

FALSE

33. The ACL does not filter the traffic that the device itself generates to access other devices. Only the forwarded traffic is filtered. The forwarded traffic includes traffic that other devices access the device.

True

False

34. The network as shown in the following figure, after the OSPF protocol is stable, what is the neighbor status of Router A and Router B?

2-way

Down

Full

Attempt

35. The multicast address of the requested node corresponding to 2001::12:1 is FF02::1:FF12:1.

True

False

36. Which of the following are routing protocols? (Multiple Choice)

BGP

IPX

OSPF

37. Refer to the configuration output.

The administrator configured the device using the commands in the configuration output. Regarding these commands, which statement is false?

The administrator wishes to enable management through the console interface.

Following configuration, the administrator cannot manage the device remotely.

A user that logs-in through the console interface is assigned the highest privilege level.

The password of a user logged in through console is ‘cipher huawei2012’.

38. The current switch MAC address table is as follows, which is correct?

When the switch is restarted, the MAC address learned on port Eth0/0/2 does not need to be re-learned.

When the switch is restarted, the MAC address learned on port Eth0/0/3 needs to be re-learned.

The data frame with the source MAC address of 5489-9811-0b49 and the destination MAC address of 5489-989d-1430 is received from the port and forwarded from Eth0/0/2.

The data frame with the source MAC address of 5489-98885-18a8 and the destination MAC address of 5489-989d-1d30 is received from the port and forwarded from Eth0/0/1.

39. SNMPv1 defines five protocol operations.

TRUE

FALSE

40. Which of the following OSPF versions suit for IPv6?

OSPFv1

OSPFv3

OSPFv4

OSPFv2

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41. The DHCP REQUEST message must be sent in broadcast form.

True

False

42. Which of the following mechanisms are used for flow control? (Choose three)

Acknowledgement

Buffering

Source quench messages

Windowing

43. Which of the following statement about the role of the STP protocol Forward Delay is correct?

Reduce the time interval for BPDU transmission

Delay in the transition of Blocking state and Disabled state

Improve the convergence speed of STP

Improve the BPDU lifetime and ensure that the configuration BPDU can be forwarded to more switches.

Preventing temporary loops

44. On Huawei devices, you can use the undo summary command to prohibit automatic route summarization of RIPv2.

True

False

45. The Protocol field in the PPP frame format is 0xC223, indicating that the protocol is:

CHAP

PAP

NCP

LCP

46. If the administrator performs the configuration below on the Router, the the host connected to the G1/0/0 interface of the router can obtain what kind of the IP address through DHCP?

The IP address obtained by the host belongs to the 10.10.10.0/24 network.

The host cannot obtain an IP address.

The IP address obtained by the host belongs to the 10.20.20.0/24 network.

The IP address obtained by the host may belong to the 10.10.10.0/24 network, or it may belong to the 10.20.20.0/24 network.

47. Which statement is correct about the above configuration command?

<Huawei>system-view [Huawei]command-privilege level 3 view user save

Modify the user view command to a permission level of 3, and save the configuration.

Modify the user's permission level to 3, and save the configuration.

Modify the permission level of the save command in the user view to 3.

Modify the permission level of the save command used by a user to 3

48. Refer to the graphic.

The routing table includes direct routes and static routes and the preference of the direct routes cannot be changed.

True

False

49. As shown in the following figure, the router functions as the DHCPv6 relay agent and Router B functions as the DHCPv6 server.

Which of the following parameters must be configured on Router B? (Multiple choice)

Enable RA on port G0/0/1 of Router

IPv6 address of the DHCPv6 relay

DHCPv6 DUID

DHCPv6 address pool

50. The output information of a router is as follows.

Which of the following statements are correct? (Multiple Choice)

OSPFv3 process number is 1.

The DR priority of this router is 1.

This router is BDR

The router-ID of the neighboring router is 10.0.1.1.

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51. If AAA authentication is used on Huawei devices and the remote server does not respond, the authentication can be performed on network devices.

True

False

52. In the MPLS domain, the full name of LER is label egress router.

True

False

53. Which of the following elements are included in the routing table? (Multiple choice)

Interface

Protocol

Destination/Mask

Cost

NextHop

54. An AR2200 router is required to be reconfigured from scratch.

Which steps are needed to achieve this? (Choose all that apply.)

Reset the saved configuration.

Clear the current configuration.

Reboot the AR2200.

Assign the configuration file to be used at next startup.

55. The configuration information of G0/0/1 interface of Router A is as follows.

acl number 3000

rule 5 deny 17

rule 10 deny 89

rule 15 deny 6

#

interface GigabitEthernet0/0/1

traffic-filter inbound acl 3000

#

Which of the following statements are correct? (Multiple Choice)

This interface does not forward ICMP packets.

This interface does not forward received SNMP packets.

This interface does not forward received FTP packets.

This interface can establish OSPF neighbor relationships with other routers.

56. When deploying an ACL on a Huawei device, which of the following description is correct? (Multiple choice)

When ACLs define rules, they can only be advanced in the order of 10, 20, and 30.

The same ACL can be called under multiple interfaces

Can only be applied to the outbound direction when the ACL is called on the interface.

ACLs cannot be used to filter OSPF traffic because OSPF traffic is not encapsulated using UDP protocol.

The ACL can match the TCP/UDP port number of the packet, and can specify the range of the port number.

57. Which of the following statements are correct about TTL field in IP packet? (Choose two)

The maximum value of TTL is 65535.

Normally, it's impossible for a router to receive a packet whose TTL is zero.

The main purpose of TTL is to prevent IP packets from circulating endlessly in a network which can consume a lot of bandwidth.

TTL value will be decremented as a packet is passed through the network devices such as hub, LAN switch and router.

58. Which of the following message types does RADIUS use to indicate authentication rejection?

Access-Reject

Access-Request

Access-Challenge

Access-Accept

59. On theVRP platform, which command can set the encapsulation type of the data link layer of the Serial interface to HDLC?

link-protocol hdlc

hdlc enable

encapsulation hdlc

link-protocol ppp

60. Which of the following statement about the OSPF protocol DR is correct?

DR must be the highest priority device in the network

DR election is preemptive

Router I

The larger the value, the higher the priority is elected as D

An interface priority is 0, and then the interface cannot be a DR

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61. Refer to the graphic.

An administrator has configured RIPv2 in the two routers.

What will happen after configuring the following commands: (Choose all that apply)

RTA will have the route learned from the RTB

RTB will have the route learned from the RTA

RTA will have no neighbor relationship with RTB

RTB will have no neighbor relationship with RTA

62. Which of the following IPv4 addresses is a Class A address?

100.1.1.1

172.16.1.1

127.1.1.1

192.168.1.1

63. The MPLS architecture consists of a Control Plane and a Forwarding Plane. The forwarding plane mainly performs label switching and packet forwarding.

True

False

64. When a router enabled with Proxy ARP function receives an ARP request packet and finds that the requested IP address is not its own, what actions are performed? (Multiple Choice)

If there is a route to the destination address, send its own MAC address to the ARP requester.

Discard the message

Broadcast ARP request message

Find if there is a route to the destination address or not

65. Which of the following authentication method is more secure for PPP?

CHA

MD5.

66. Compared to IPv4, there is no IHL field in the IPv6 header.

True

False

67. FTP may be used to upgrade a router's VRP image.

Which of the following transmission modes should be used to achieve this?

binary mode

ASCII mode

byte mode

letter mode

68. Which area number does OSPFv3 use to identify the backbone area?

69. As shown in the following figure, which of the following configurations can be used to prevent Host A from accessing Host B HTTP service.

Host B can not access which service of Host A FTP? (Multiple choice)

acl number 3000 rule 5 deny tcp source 100.0.12.0 0.0.0.255 source-port eq www destination 100.0.13.0 0.0.0.255 # acl number 3001 rule 5 deny tcp source 100.0.13.0 0.0.0.255 source-port eq ftp destination 100.0.12.0 0.0.0.255 # interface GigabitEthernet0/0/1 traffic-filter outbound acl 3000 # interface GigabitEthernet0/0/2 traffic-filter outbound acl 3001 #

acl number 3000 rule 5 deny tcp source 100.0.13.0 0.0.0.255 destination 100.0.12.0 0.0.0.255 destination-port eq www # acl number 3001 rule 5 deny tcp source 100.0.12.0 0.0.0.255 destination 100.0.13.0 0.0.0.255 destination-port eq ftp # interface GigabitEthernet0/0/1 traffic-filter inbound acl 3000 # interface GigabitEthernet0/0/2 traffic-filter inbound acl 3001 #

acl number 3000 rule 5 deny tcp source 100.0.13.0 0.0.0.255 destination 100.0.12.0 0.0.0.255 destination-port eq www # acl number 3001 rule 5 deny tcp source 100.0.12.0 0.0.0.255 destination 100.0.13.0 0.0.0.255 destination-port eq ftp # interface GigabitEthernet0/0/1 traffic-filter outbound acl 3000 # interface GigabitEthernet0/0/2 traffic-filter outbound acl 3001 #

acl number 3000 rule 5 deny tcp source 100.0.12.0 0.0.0.255 source-port eq www destination 100.0.13.0 0.0.0.255 # acl number 3001 rule 5 deny tcp source 100.0.13.0 0.0.0.255 source-port eq ftp destination 100.0.12.0 0.0.0.255 # interface GigabitEthernet0/0/1 traffic-filter intbound acl 3000 # interface GigabitEthernet0/0/2 traffic-filter inbound acl 3001 #

70. The router R1 routing table output information is as follows, which is correct? (Muitiple choice)

The router forwards the packet with the destination network of 12.0.0.0/8.

The packet with the destination network of 12.0.0.0/8 will be forwarded from the Ethernet0/0/0 interface of the router.

The packet with the destination network of 11.0.0.0/8 will be forwarded from the GigabitEthernet0/0/0 interface of the router.

The router will drop the packet with the destination network of 11.0.0.0/8.

Page 8 of 31

71. In P2P network, DD packet does not need to be sent when the OSPFv3 adjacency is established.

TRUE

FALSE

72. The network administrator wants to improve the performance of network transmission, what steps can the administrator take? (Choose two)

Change the work mode to full duplex of each end station.

Link the end stations together using a switch.

Change the work mode to half duplex of each end station.

Link the end stations together using a hub.

73. When the host adopts DHCPv6 stateless autoconfiguration, which DHCPv6 message is sent by the host to request configuration information?

Information-Request

CONFIRM

SOLICIT

REBIND

74. The administrator wants to update the VRP of the AR2200 router. The correct method is (). (Multiple Choice)

The administrator configures the AR2200 as a TFTP server to transmit VRP software through TFT

The administrator configures the AR2200 as a TFTP client to transmit VRP software through TFT

The administrator configures the AR2200 as an FTP server to transfer VRP software through FT

The administrator configures the AR2200 as an FTP client to transfer VRP software through FT

75. Which of the following statements about a designated port working in RIPv2 multicast mode are true? (Choose three)

The port receives only RIPv2 multicast packets.

The port does not receive RIPv1 broadcast packets.

The port does not receive RIPv2 broadcast packets.

The port receives only RIPv1 multicast packets.

76. Which packet does OSPF use to describe its own LSDB?

LSR

HELLO

LSU

77. What is the role of link aggregation? (Muitiple choice)

Implement load sharing

Facilitate analysis of data

Increase bandwidth

Improve network reliability

78. Which of the following statements regarding single area OSPF are correct? (Choose three)

An IP address needs to be configured on a loopback interface of each router before configuring an OSPF area.

The value of an area can be from 0.0.0.0 to 255.255.255.255.

A single area can be configured using any supported area number.

All of the links of the network need to be advertised in Area 0.

79. An Ethernet port can work one of three duplex modes, whereas an Optical Ethernet port only supports one single mode.

Which of the following represents this mode?

Full-duplex

Half-duplex

Auto-negotiation

Simplex

80. Layer 2 ACL can match source MAC, destination MAC, source IP, and destination IP, etc. information.

True

False

Page 9 of 31

81. In the network shown in the following figure, the output information of switch A is as follows.

In the current MAC address table of switch A, which interface does the C address of host B correspond to?

GigabitEthernet0/0/2

Eth-Trunk 1

GigabitEthernet0/0/1

GigabitEthernet0/0/3

82. On the broadcast network, both the DR and the BDR use the multicast address 224.0.0.6 to receive the link status update packet.

True

False

83. The loop protection function provided by the RSTP protocol can take effect only on the specified port.

True

False

84. When R2 forwards data to R3 from R1, which of the following items will change? (Choose two)

The source MAC address

The destination MAC address

The source IP address

The destination IP address

85. The router interface output information is as follows, which is correct? (Muitiple choice)

The global unicast address of this interface is 2001::12:1

The MTU of this interface is 1500.

The link-local address of this interface is FE80::2E0:FCFF:FE6F:4F36

The IPv6 protocol status of this interface is U

86. If the transport layer protocol is UDP, the network layer Protocol field takes a value of 6.

TRUE

FALSE

87. Which layer of the OSI reference model does the router work on?

Data link layer

Network layer

Application layer

Transport layer

88. You can configure a static route on a broadcast interface by specifying the next-hop IP address or outbound interface.

True

False

89. What is the destination IP address of the DHCP DISCOVER packet?

224.0.0.2

127.0.0.1

224.0.0.1

255.255.255.255

90. When a port of a switch receives a non-carried VLAN TAG data frame, it must add a PVID.

True

False

Page 10 of 31

91. Refer to the configuration output.

Following configuration, a host is connected to the interface Gigabit Ethernet 0/0/1 of the router.

Which IP address will the client obtain?

An IP address from network 10.10.10.0/24 will be assigned.

An IP address from network 10.20.20.0/24 will be assigned.

The host will be unable to obtain an IP address.

An IP address may be assigned from either 10.10.10.0/24 or 10.20.20.0/24.

92. As shown in the following figure, all the hosts can communicate with host C through which of the following configuration?

But host A and host B cannot communicate.

acl number 4000 rule 5 deny destination-mac 5489-98ea-4c7c source-mac 5489-98d3-104d # interface GigabitEthernet0/0/1 traffic-filter inbound acl 4000 #

acl number 4000 rule 5 deny destination-mac 5489-98ea-4c7c source-mac 5489-98c0-550e # interface GigabitEthernet0/0/1 traffic-filter inbound acl 4000 #

acl number 4000 rule 5 deny destination-mac 5489-98ea-4c7c source-mac 5489-98c0-550e # interface GigabitEthernet0/0/1 traffic-filter outbound acl 4000 #

acl number 4000 rule 5 deny destination-mac 5489-98ea-4c7c source-mac 5489-98d3-104d # interface GigabitEthernet0/0/1 traffic-filter outbound acl 4000 #

93. What is the length of the Traffic Class field in the IPv6 packet header?

94. The administrator finds that the two routers stay in the TWO-WAY state when establishing an OSPF neighbor, the correct description of the following is ().

The router is configured with the same zone ID

These two routers are DR Other routers in the broadcast network.

The router is configured with the wrong router ID

The router is configured with the same process ID

95. Which of the following commands is used to enter the system-view from the user view on a Huawei router?

system-view

enable

configure terminal

interface system

96. A Windows host is started for the first time.

If the IP address is obtained by DHCP, what is the source IP address of the first packet sent by this host?

127.0.0.1

255.255.255.255

0.0.0.0

169.254.2.33

97. Which of the following functions are supported by the LCP protocol in the PPP protocol? (Multiple choice)

Negotiate the maximum receiving unit MRU

Negotiate the authentication protocol

Negotiate the network layer address

Detect link loops

98. What are the three ways for a router to establish a routing table? (Muitiple choice)

Dynamic routing

Static routing

Direct routing

Aggregate routing

99. 0.1.0/24 O_ASE 150 2 D 10.0.23.3 Serial2/0/0

Which of the following statements regarding route shown are true? (Choose two)

The address 10.0.23.3 has been configured on the peer’s serial 2/0/0 interface.

The route preference has been changed by the administrator.

The metric for the route 10.0.1.0 indicates that two hops are needed.

The route has been learned via the OSPF protocol.

100. Which of the following configurations belong to Layer 2 ACL?

rule 10 permit 12-protacol arp

rule 25 permit source 192.168.1.1 0.0.0.0

rule 20 permit source-mac 0203-0405-0607

rule 15 permit vlan-id 100

Page 11 of 31

101. What is the default server port number used by the Telnet protocol?

102. The backup port in RSTP can replace the failed root port.

TRUE

FALSE

103. The following figure shows the encapsulation format of the data packet in IPsec VPN.

Which format is the type of data packet used toencapsulate in IPsec VPN?

Tunnel mode

Universal mode

Transmission mode

This encapsulation is error

104. What is the main function of DHCP Discover packets?

The client sends DHCP Discover packets for requesting to confirm the configuration or renew the lease time of the IP address.

The DHCP server sends DHCP Discover packets to respond DHCP Request packets.

The DHCP Discover packet carries various configuration information.

The client sends DHCP Discover packets to search for the DHCP server.

105. What is the role of the port trunk allow-pass vlan all command?

The connected peer device can dynamically determine which VLAN IDs can pass.

If the port default vlan3 command is configured for the connected remote device, VLAN 3 between the two devices cannot communicate.

The peer port connected to the port must be configured with port trunk permit vlan all

Allow all data frames of the VLAN to pass through the port.

106. Which of the following values is used in the Length/Type field of the Ethernet data frame, indicating that the packet carrying the PPPoE session phase is carried?

0x8863

0x8864

0x0800

0x0806

107. What are the advantages of OSPF?

OSPF supports packet authentication.

OSPF can load balance traffic among equal-cost routes.

OSPF supports Classless Inter-Domain Routing (CIDR).

OSPF supports area partition.

108. The authentication, authorization and accounting schemes and HWTACACS or RADIUS server templates created on AR routers take effect only after being applied to a domain.

TRUE

FALSE

109. What should do when the Access port sends a data frame?

Replace VLAN TAG forwarding

Stripping TAG forwarding

Mark PVID forwarding

Send a message with TAG

110. Refer to the configuration output.

Which of the following statements are correct regarding the configuration of the ACL on RTA? (Choose two).

Packets from network 172.16.1.1/32 will be denied.

Packets from network 172.16.1.0/24 will be denied.

Packets from network 172.17.1.0/24 will be denied.

Packets from network 172.18.0.0/16 will be denied.

Page 12 of 31

111. Refer to the configuration output.

Which of the following statements is correct regarding the configuration of the ACL on RTA?

Packets from network 20.1.1.0/24 network will be denied.

Packets from network 20.1.1.0/24 network will be permitted.

Packets destined for network 20.1.1.0/24 will be denied.

Packets destined for network 20.1.1.0/24 will be permitted.

112. Which of the following is not included in the VRP system login method?

Telnet

SSH

Netstream

Web

113. Refer to the configuration output.

<Huawei>reset saved-configuration

Warning: The action will delete the saved configuration in the device.

The configuration will be erased to reconfigure. Continue? [Y/N]:

Which of the following statements are true? (Select two answers)

A user should enter ‘Y’ when wishing to clear the saved configuration file.

The saved-configuration file that the device starts with can be erased.

The saved-configuration will be deleted after typing N

The saved-configuration file will be replaced with the current-configuration.

114. On the Huawei ARG3 router, the -i parameter of the Ping command in the VRP is used to set ?

Interface for sending Echo Request packets

Source IP address for sending Echo Request packets

Interface for receiving Echo Reply packets

Destination IP address of receiving Echo Reply packets

115. As shown in the following figure, Switch A and Router A are connected through two links. The two links are in the manual load balancing mode.

The aggregation port number is 1, and the aggregation link needs to forward data. Carrying VLAN TAG 100, which configuration does Router A need to use? (Multiple Choice)

interface Eth-Trunk1 port linlk-type trunk port trunk allow-pass vlan 100 # interface GigabitEthernet0/0/1 eth-trunk 1 #

interface GigabitEtherneta/0/1 eth-trunk 1 # interface GigabitEthernet0/0/2 eth-trunk 1

interface Eth-Trunk1 mode lacp-static port link-type trunk port trunk allow-pass vlan 100 # interface GigabitEthernet0/0/1 eth-trunk 1 # interface GigabitEthernet0/0/2 eth-trunk 1 #

interface Eth-Trunk1 undo portswitch # interface Eth-Trurnk1.100 dot1q termination vid 100 ip address 10.0.12.2 255.255.255.0 arp broadcast enable #

116. The output information of a router is as follows.

Which is correct? (Muitiple choice)

The routing interface DR priority is 10.

Router ID is 10.0.1.1

The value of this interface Cost is 1

This router is a BDR

117. Which of the following statements about the information contained in a Database Description packet are true? (Choose three)

A Database Description packet contains all information about each LS

A Database Description packet contains only the header of an LS

The header of an LSA is the unique identifier of the LS

The header of an LSA is only a small portion of all the data of the LS

118. Which of the following parameter settings for terminal emulation are correct when configuring a Huawei router through the Console port?

4800bps, 8 data bits,1 stop bits, odd parity check, and no flow control

9600bps, 8 data bits, 1 stop bits, no parity check, and no flow control

9600bps, 8 data bits, 1 stop bits, even parity check, and hardware flow control

19200bps, 8 data bits, 1 stop bits, no parity check, and no flow control

119. Refer to the configuration output.

<Huawei>reset saved-configuration

Warning: The action will delete the saved configuration in the device.

The configuration, will be erased to reconfi gure. Continue? [Y/N]:

The administrator configured the above on the AR2200, and which of the following description about the configuration information is correct?

The saved configuration file will be replaced by the running configuration file.

If the user wants to clear the saved configuration file, he should select “Y”

If the user wants to clear the saved configuration file, he should select “N”

The configuration file will be retained when the device starts up.

120. Which of the following states does the STP protocol elect to perform port roles?

Blocking

Disabled

Learning

Listening

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121. On the interface serial 1/0/1 of RTA, the command “ip address unnumbered interface loopback 0” has been configured.

Which following statements are correct? (Choose two).

The IP address of interface serial 1/0/1 is 10.1.1.1/24

The IP address of interface serial 1/0/1 is 10.1.1.1/32

The route entry 10.1.1.0/24 exists in RTA’s routing-table

The route entry 10.1.1.0/24 does not exist in RTA’s routing-table

122. Which of the following routing protocols can generate a default route? (Multiple choice)

OSPFv3

Direct

OSPF

Static

123. Which of the following descriptions are correct if an AR2200 router needs to be restored to its initial configuration? (Multiple Choice)

Re-specify the configuration file to be loaded next time

Reset the saved configuration

Clear current configuration

Restart the AR2200 router

124. The network administrator creates VLAN 10 and assigns an IP address to VLANIF10. When using the command “display ip interface brief”, the administrator finds that VLANIF10 is down.

What should be done to enable VLANIF10?

Use the command “undo shutdown” under the interface view for VLANIF10

Assign a physical interface that has either an active of inactive physical state to VLAN 10

Assign only a physical interface that has an active physical state to VLAN 10

Add an interface that has an active physical state and a trunk port associated with VLAN 10

125. Which flag bits of the STP protocol are not used by the Flag field in the RSTP configuration BPDU? (Muitiple choice)

Agreement

TCA

Proposal

126. Which of the following statements are correct about NAT? (Choose three)

NAT is the abbreviation for "Network Address Translation".

NAT is used for translation between private and public network addresss.

When hosts inside a private network access the outside network, NAT is not required.

NAT provides an effective way to solve the problem of insufficient IP addresses.

127. As shown in the following figure, all routers run OSPF.

Which device is ABR? (Multiple choice)

Router B

Router D

Router C

Router A

128. Which of the following IPv6 addresses is a link-local address?

FC00::2E0: FCFF: FEEF: FEC

FE80::2E0: FCFF: FEEF: FEC

2000::2E0: FCFF: FEEF: FEC

FF02::2E0: FCFF: FEEF: FEC

129. What is the destination address of the DHCPv6 request packet?

FF01::1:2

FF02::1:2

FF02::1

FF02::2

130. If the configuration information of a port on a switch is as follows, when this port sent the data frames of which VLAN, the VLAN TAG is stripped?

4,5,6

4,6

1,4,6

1,4,5,6

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131. A DHCP server has been established in the enterprise network. After the client has obtained an IP address from the DHCP server, the user decided to modify the IP address manually.

In what way may this affect the enterprise network? (Choose two).

The client may experience an IP address conflict.

The client may access the network normally.

The client’s interface connection will shutdown.

The client will associate with another DHCP server.

132. What benefits does port aggregation yield? (Choose three)

Improves link bandwidth

Implements load sharing

Improves network reliability

Facilitates data copy for analysis

133. A router runs OSPF and does not specify a router ID.

The P address of all interfaces is as follows.

What is the router ID of the router OSPF protocol?

10.0.12.1

10.0.1.2

10.0.21.1

10.0.1.1

134. Which of the following statements about the Alternate port in the RSTP protocol is correct?

The Alternate port serves as a backup for the specified port and provides another backup path from the root bridge to the corresponding network segment.

Alternate port forwards user traffic and learns MAC address

Alternate port does not forward user traffic but learns MAC address

Alternate port provides another switchable path from the designated bridge to the root as the backup port of the root port

135. Which of the following parameters are identified by the SA (Security Association)? (Muitiple choice)

Source IP address

Security Parameter Index (SPI)

Destination IP address

Security Protocol (AH or ESP)

136. The DHCPv6 server includes the management address configuration flag (M) in the RA message.

If the value is 1, which of the following statement is correct?

Indicates that the client enables DHCPv6 stateful address configuration.

Indicates that the client needs to obtain other network configuration parameters through stateless DHCPv6.

Indicates that the client enables IPv6 stateless address automatic allocation scheme

Indicates that the client needs to obtain other network configuration parameters through stateful DHCPv6.

137. A router learns routes to the same destination address through RIP, OSPF, and static routes. By default, VRP will ultimately choose which protocol to learn the route through?

The routes learned by the three protocols are selected.

Static routing

OSPF

RIP

138. An Ethernet frame is captured by network protocol analyzer tool and the value of Type/Length field is 0x0800.

Which of the following statements about the frame are correct? (Choose two)

The frame structure of the frame is Ethernet_II

The frame structure of the frame is 802.3

Its upper layer protocol is IP

Its upper layer protocol is IPX

139. The administrator needs to configure the IP address on the G0/0/0 interface of the router.

Which of the following address is correct to use?

145.4.2.55/26

237.6.1.2/24

127.3.1.4/28

192.168.10.112/30

140. 0 packets are carried over TCP.

TRUE

FALSE

Page 15 of 31

141. On Huawei switches, you can run the vlan batch command to create multiple VLANs in batches.

True

False

142. What port number is used by the FTP protocol to control plane?

143. As shown in the figure, all four switches run STP, and each parameter adopts the default value.

When a port on the root switch is blocked and cannot be sent through the port, how long will the port in the network enter the forwarding state?

About 15 seconds

About 50 seconds

About 30 seconds

About 3 seconds

144. Which packet is sent by the DHCPv6 client, requesting the DHCPv6 server to assign an IPv6 address and network configuration parameters to it?

Solicit

Advertise

Discover

Request

145. The switch MAC address table is as follows, which is correct?

The switch receives the data frame with the destination MAC address of 5489-9811-0b49 will be discarded.

The switch receives the data frame with the destination MAC address of 5489-9885-18a8 will be discarded.

The switch receives the data frame with the source MAC address of 5489-9811-0b49 and will be discarded.

The switch receives the data frame with the destination MAC address of 5489-989d-1d30 will be discarded.

146. Dynamic routing protocols can automatically adapt to changes in network topology.

True

False

147. In port aggregation, “multiple” ports are aggregated to form a port aggregation group so that all the member ports in the group share the outgoing/incoming load.

At which layer is port aggregation implemented?

Physical Layer

Data Link Layer

Network Layer

Transport Layer

148. Regarding PPP configuration and deployment, which of the following statement is correct?

PPP does not support mutual authentication

PPP cannot modify keepalive time

PPP cannot be used to deliver IP addresses.

PPP supports CHAP and PAP authentication modes.

149. Which of the following fields does the HDLC frame consist of? (Multiple choice)

Control field (C)

Frame Check Sequence Field (FCS)

Address field (A)

Flag field (F)

150. What is the characteristic of port-based VLAN partition?

Add a VLAN tag to the data frame based on the IP address carried in the packet.

Assign the VLAN ID according to the protocol type and encapsulation format of the data frame.

The host moving location no need to reconfigure the VLAN

The host moving location needs to reconfigure VLAN

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151. The MPLS label header is encapsulated between the data link layer header and the network layer header of the message.

True

False

152. Which of the following message types is used for the RA message that is used for IPv6 stateless autoconfiguration?

IGMPv6

ICMPv6

UPv6

TCPv6

153. The following statement about the Hybrid port, which is correct?

Hybrid port does not require PVID

Hybrid port only receives data frames with VLAN TAG

Hybrid port must carry VLAN TAG when sending data frames.

The Hybrid port can strip the TAG of certain VLAN frames in the outbound direction.

154. Which of the following storage devices is used to store the startup configuration files in a router?

SDRAM

NVRAM

Flash

Boot ROM

155. What is the total length of an IPv6 address?

128

156. After a command for displaying RIP route information is entered on a router, peer 192.168.1.2 on Serial1/0/0 is displayed in the returned result.

What does 192.168.1.2 stand for?

Address of a RIP neighbor

Address of the port with the RIP protocol enabled

Next hop address of the RIP route

Transmission address of the RIP protocol

157. The MAC address table of a switch is as follows.

If the switch receives a data frame whose destination MAC address is 5489-9885-18a8 from Eth0/0/2, which of the following statements is true?

The data frame is forwarded through Eth0/0/2.

The data frame is flooded.

The data frame is forwarded through Eth0/0/1.

The data frame is discarded.

158. A network administrator wishes to implement VLAN 10 to isolate certain users. It is common however for these users to often change their physical location.

Which of the following VLAN implementations should be used?

Port based VLAN assignment

Protocol based VLAN assignment

MAC based VLAN assignment

IP subnet based VLAN assignment

159. The output information of a router routing table is as follows.

Which of the following statement is correct? (Multiple choice)

The NextHop of this router reaching 10.0.0.1 is 10.0.21.2.

The NextHop of this router reaching 10.0.2.2 is 10.0.21.2.

The NextHop of this router reaching 10.0.0.1 is 10.0.12.2.

The NextHop of this router reaching 10.0.2.2 is 10.0.12.2.

160. As shown in the preceding VTY configuration, the user privilege level is set to 3.

True

False

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161. Which of the following parts does the global unicast address consist of? (Multiple Choice)

Protocol ID

Interface ID

Subnet ID

Global Routing Prefix

162. Which of the following regarding Frame Relay DLCI are correct? (Choose three)

DLCI is locally significant

DLCI is allocated by DTE

The range of DLCI value that can be used is from 16-1007

The same DLCI can be configured on different physical interfaces

163. Which of the following protocol does the PPP protocol consist of? (Multiple Choice)

Certification Agreement

NCP

LCP

PPPOE

164. What is the range of advanced ACL?

6000~6031

4000~4999

3000-3999

2000-2999

165. Which of the following remote login methods is the safest?

Telnet

Stelnet v100

Stelnet v2

Stelnet v1

166. An ARP request is sent by host A to obtain the destination MAC address of host D.

Which statement is true about regarding the ARP reply?

The destination MAC address of this frame is the MAC address of Switch

The destination IP address of this packet is the VLANIF1 IP address of Switch

The destination MAC address of this frame is the MAC address of Host

The destination IP address of this packet is a broadcast IP address.

167. As shown, the topology and the configuration on the switch interconnect port, you can determine that the data frame labeled as VLAN 10 can be forwarded normally between the two switches.

True

False

168. By default, it takes at least 30 seconds for the port status in STP to be changed from Disabled to forwarding.

True

False

169. Which of the following port states does the RSTP protocol include? (Multiple Choice)

Forwarding

Discarding

Listening

Learning

170. What are the values of the currently used IPv6 multicast address flag field (Flag)? (Multiple Choice)

Page 18 of 31

171. The router output information is as follows, which of the following statement is wrong?

The MTU value of the Ethernet0/0/0 interface is 1480.

The physical link of Ethernet0/0/0 is normal.

The broadcast address corresponding to the Ethernet0/0/0 interface is 10.0.12.255.

The IP address of the Ethernet0/0/0 interface is 10.0.12.1/24.

172. The basic header length of an IPv6 message is a fixed value.

True

False

173. Regarding the conflict domain and the broadcast domain, the description which is correct? (Muitiple choice)

The device connected to a HUB belongs to a broadcast domain.

The device connected to a switch belongs to a conflict domain.

The device connected to a switch belongs to a broadcast domain.

The device connected to a router belongs to a broadcast domain.

The device connected to a HUB belongs to a conflict domain.

174. 0.12.1 MAC-B

D. Host A and Host B can communicate in both directions

175. Which of the following types of addresses cannot be used as the IPv4 address of host?

Class A address

Class B address

Class C address

Class D address

176. If a network’s address is 192.168.1.0, the broadcast address of the network is 192.168.1.255.

True

False

177. Which of the following description is correct about the display information?

GigabitEthernet 0/0/0 interface was manually closed by the administrator.

GigabitEthernet 0/0/0 interface is not configured with an IP address.

GigabitEthernet 0/0/0 interface does not enable dynamic routing protocol

GigabitEthernet 0/0/0 interface is connected with a wrong cable.

178. As shown in the figure below, which of the following locations should the AH header be inserted in the IPsec transport mode?

179. Which of the following statements about router IDs are true? (Choose two)

The routers contained in the same LSDB have the same router I

Each router in an OSPF network must have a unique router I

Two routers in different OSPF areas can have the same router I

A router ID is expressed in a 32-bit dotted decimal format.

180. All interfaces of the router belong to the same broadcast domain.

True

False

Page 19 of 31

181. As shown in the following figure, the ports connected to the host of Switch A and Switch B belong to VLAN 10 and VLAN 20 respectively. The port type of the switch is Trunk and the PVID is 10 and 20.

Which of the following statements are correct? (Multiple choice)

Host A and host B belong to different VLANs and cannot ping each other.

Host A and Host B can ping

Host A's ARP request cannot be forwarded to host

The switch does not carry the VLAN TAG when forwarding data frames sent by the host.

182. [Huawei]user-interface vty 0 14

[Huawei-ui-vty0-14] ac1 2000 inbound

[Huawei-ui-vty0-14] user privilege level 3

[Huawei-ui-vty0-14] authentication-mode password

Please configure the login password (maximum length 16): Huawei

The configuration of vty is as shown above, and the user privilege level is set to level 3.

True

False

183. Which of the following commands configures the authentication mode to be HWTACACS authentication?

authorization-mode hwtacacs

authentication-mode local

authentication-mode none

authentication-mode hwtacacs

184. In order to check if the interface serial 1/0/0 is working in either DCE or DTE mode, command ( ) is used.

display mode serial 1/0/0

display controller

display interface serial 1/0/0

display current-config

185. The switch MAC address table is existing as follows, which of the following statements is correct?

The MAC address 5489-9885-1838 is manually configured by the administrator.

The MAC address 5489-9811-0b49 is manually configured by the administrator

The MAC address 5489-3891-1450 is manually configured by the administrator.

After the switch is restarted, all MAC addresses need to be re-learned.

186. Refer to the configuration output. A network administrator configured the ACL on router RTA, as shown.

Which of the following statements regarding the rule order are correct? (Choose two).

The rule-number of the first rule is 1

The rule-number of the first rule is 5

The rule-number of the second rule is 2

The rule-number of the second rule is 10

187. What are the three protocol components defined by PPP? (Choose three).

Data encapsulation.

LCP

NCP

IPCP

188. Which of the following configurations regarding static route are correct? (Choose all that apply)

ip route-static 129.1.0.0 16 serial 0

ip route-static 10.0.0.2 16 129.1.0.0

ip route-static 129.1.0.0 16 10.0.0.2

ip route-static 129.1.0.0.255.255.0.0 10.0.0.2

189. When configuring a static route on a broadcast interface, you can configure a static route by specifying the next hop address or outbound interface.

True

False

190. What is the default authentication mode for the default_admin domain?

None

Local

Radius

802.1X

Page 20 of 31

191. After checking the OSPF neighbor state, the administrator discovers that the router has established a TWOWAY state with the peering router.

What can be understood from this information? (Choose two)

The routers are configured using the same process ID

The routers are configured using the same area ID

The routers are configured using wrong router ID

The routers are considered DROthers in a broadcast network

192. The users who log on the router through Telnet are not permitted to configure IP address.

What is the possible reason?

Communication failures occur between the user and the router.

The authentication mode of Telnet is set incorrectly.

Privilege level of Telnet is set incorrectly.

SNMP parameters are set incorrectly.

193. Which of the following descriptions regarding the TTL field of the IP packet is correct?

The TTL defines how many packets the source can send.

The TTL defines the duration during which the source can send packets.

The TTL value will decrement by 1 each time the packet is routed.

The TTL value will increment by 1 each time the packet is routed.

194. What functions does a Hello packet of OSPF implement? (Choose two)

Neighbor discovery

Deletion of unreachable neighbors

Maintaining of neighbor relationships

Negotiation of parameters among adjacent ports

195. What types of networks are supported by the OSPF protocol? (Muitiple choice)

Point-to-Multipoint

Non-Broadcast Multi-Access

Point-to-Point

Broadcast

196. When two OSPF routers form a TWO-WAY neighbor relationship, the LSDB has completed synchronization, but the SPF algorithm has not been run.

True

False

197. In the VRP system, which of the following functions does the Ctr1+Z combination key have? (Multiple choice)

Exit the console interface view.

Return to the user view from the system view

Exit interface view

Return to the user view from any view

Exit the current view

198. The STP root switch is elected based on the priority of the switch. In RSTP, the switch priority and MAC address are compared at the same time.

True

False

199. An ACL rule is as follows:

rule 5 permit ip source 10.0.1.0 0.0.254.255

Which of the following IP addresses can be matched by the permit rule? (Multiple Choice)

10.0.4.5

10.0.3.4

10.0.1.2

10.0.2.3

200. The following election statement about DR and BDR, which is correct? (Muitiple choice)

If an interface has a priority of 0, the interface will not participate in the election of DR or BD

DR must exist in the broadcast network

If the priorities are the same, the router ID is compared. The larger the value, the higher the priority is elected as the D

BDR must exist in the broadcast network

Page 21 of 31

201. Which of the following parameters are used in the switched network that runs the STP protocol when performing spanning tree calculations? (Multiple Choice)

Root path cost

Port ID

Bridge ID

Forward Delay

202. Compared to STP protocol, which kind of port role is added in RSTP protocol? (Multiple Choice)

Alternate port

Backup port

Root port

Designated port

203. A switch running STP can be converted to the Forwarding state after waiting for the forwarding delay in the Learning state.

TRUE

FALSE

204. Which of the following parameter settings for terminal emulation are correct when configuring a router through the Console port?

9600bps, 8 data bits, 1 stop bits, even parity check, and hardware flow control.

19200bps, 8 data bits, 1 stop bits, no parity check, and no flow control.

4800bps, 8 data bits, 1 stop bits, odd parity check, and no flow control.

9600bps, 8 data bits, 1 stop bits, no parity check, and no flow control.

205. Which of the following is the value of the IPv6 multicast address flag field indicates that the multicast address is a temporary multicast address?

206. Two routers establish an IPsec tunnel, which of the following does not need to be the same on both peering devices?

Encapsulation mode

Transform mode

Proposal name

authentication algorithm

207. Assume that the router has learnt the best route to the same destination by using RIP, OSPF and Static Route respectively.

By default, the Huawei router will select the route learnt via ( ) as the best route.

RIP

OSPF

RIPv2

Static route

208. Which of the following IPv6 address Solicited-node multicast addresses are F02:1:FFAB:FECA? (Multiple Choice)

2030::BBAB:FECA

2020::EEAB:FECA

2020::FFAB:FECA

2020::FFBA:FECA

209. What are the roles of OSPF DR and BDR? (Multiple Choice)

Reduce the number of adjacencies

Reduce the type of OSPF packets

Reduce the time it takes to establish adjacency

Reduce the number of exchanges of link state information

210. The OSPFv3 adjacency can be established only after the IPv6 address prefixes of the two ends are the same.

True

False

Page 22 of 31

211. Refer to the output.

<Huawei>

Warning: Auto-Config is working. Before configuring the device, stop Auto-Config. If you perform configurations when Auto-Config is running, the DHCP, routing, DNS, and VTY configurations will be lost. Do you want to stop Auto-Config? [y/n]:

When the administrator first starts the router, a system notice is displayed, however after rebooting this router, the notice disappeared.

What is the reason for this? (Choose all that apply.)

This notice only appears during the very first device startup.

The administrator has configured the device and saved the configuration, causing the notice to disappear.

The administrator selected ‘n’ and did not save the configuration.

The administrator selected ‘y’ and saved the configuration.

212. Which of the following are the advantages of the PPP protocol? (Multiple choice)

PPP protocol supports negotiation of link layer parameters

PPP protocol supports negotiation of network layer parameters

PPP protocol supports both synchronous transmission and asynchronous transmission.

PPP protocol supports authentication

213. In which of the following cases does the switch generate configuration BPDUs? (Multiple Choice)

During the initialization process, as long as the port is enabled with STP, the configuration BPDU will be sent from the designated port according to the interval specified by the Hello Time timer.

When the root port receives the configuration BPDU, the device where the root port resides sends configuration BPDUs from each of its designated ports.

When a non-designated port receives a configuration BPDU that is worse than itself, it immediately sends its own BPDU to the downstream device.

When the designated port receives a configuration BPDU that is worse than itself, it will immediately send its own BPDU to the downstream device.

214. Which of the following MAC addresses will not age? (Multiple Choice)

Dynamic MAC address

Black hole MAC address

Static MAC address

Port MAC address

215. The switch receives a unicast data frame. If the destination MAC address of the data frame can be found in the MAC local table, the data frame must be forwarded from the MAC corresponding port.

TRUE

FALSE

216. Host A wishes to send data to host C, and generates an ARP request to obtain the destination MAC address.

Which statement is true?

The destination IP address of the ARP request is Host

The destination MAC address of this ARP request is Host

The destination IP address for the ARP request is a broadcast IP address.

The destination MAC address of this frame is the MAC address of G0/0/0 on RT

217. On Huawei devices, which of the following methods can be used in OSPF router ID selection? (Multiple Choice)

If a loopback interface is configured, the largest IP address of the loopback interface is selected as the router I

If loopback interfaces are not configured, the largest IP address of an interface is selected as the router I

A Huawei switch may use the largest IP address of VLANIF interfaces as the router I

The default ID 127.0.0.1 is selected as the router I

A valid router ID can be configured manually.

218. Which of the following parameters does not the configuration BPDU packet of the STP protocol?

Port ID

Bridge ID

VLAN ID

Root ID

219. Refer to the graphic.

VLANs 10 and 20 have been created on both SWA and SWC. VLAN 10 has been manually created on SWB. SWB has learned VLAN 20 from SWA via GVRP, allowing the hosts to belong to different VLANs as shown.

If port Interface G0/0/1 on SWB is changed to fixed mode, what will happen?

Host A will still be able to communicate with Host

Host B will still be able to communicate with Host

Hosts that belong to the same VLAN will still be able to communicate.

All hosts will be unable to communicate with any other host.

220. As shown in the following figure, the switch configuration information is as follows.

Which of the following statements are correct? (Multiple Choice)

Host B and host C can ping each other

Host A and Host B cannot ping

Host A and Host C can ping each other

All hosts can ping each other

Page 23 of 31

221. By default, how many seconds are the Forward Delay of STP protocol?

222. route-static 10.0.2.2 255.255.255.255 10.0.12.2 preference 20, which of the following statement about this command is correct?

The route must appear in the routing table.

The destination network of the route is 10.0.12.2/32

The priority of this route is 100.

The mask length of the route destination network is 32 bits.

223. Which of the following fields are contained in an ARP packet?

Source Hardware Address

Hardware Type

Source Protocol Address

Operation Code

224. If an Ethernet data frame Length/Type=0x8100, which of the following ports might this data frame be sent from? (Multiple Choice)

Switch Hybrid type port

Switch Access type port

Serial interface of the router

Switch Trunk type port

225. As shown in the figure, the two switches use the default parameters to run STP. On Switch A, the configuration command STP root primary is used. On the switch B, the configuration command STP priority 0 is used.

Which of the following ports will be blocked?

G0/0/2 of switch A

G0/0/1 of switch B

G0/0/1 of switch A

E0/0/3 of HUB

226. OSPFv2 supports IPv6 by adding new types of LSAs.

True

False

227. Which of the following is abbreviation of VRP?

Versatile Routine Platform

Virtual Routing Platform

Virtual Routing Plane

Versatile Routing Platform

228. How many bits does the total length of an IPv6 address increase over IPv4?

128

229. The simplest form of IPv6 address 3001:0DB8:0000:0000:0346:ABCD:42BC:8D58 is?

3001:0DB8::0000:0346:ABCD:42BC:8D58

3001:DB8::346:ABCD:42BC:8D58

3001:DB8::0346:ABCD:42BC:8D58

3001:0DB8::0346:ABCD:42BC:8D58

230. If the network address of a network is 10.1.1.0/30, what is its broadcast address?

10.1.1.4

10.1.1.2

10.1.1.3

10.1.1.1

Page 24 of 31

231. How can the default route be generated? (Choose all that apply.)

Manually configured.

Automatically generated by the router.

Generated by dynamic routing protocols.

Generated by link layer protocols.

232. Host A has been connected to switch A and configured with an IP address.

When Host A initially forwards a frame, what action will be taken by Switch A?

Switch A will drop this frame.

Switch A will attempt to flood the frame to all ports except for the G0/0/1 interface.

Switch A will forward the frame via ports G0/0/1, G0/0/2 and G0/0/3.

Switch will receive this frame before returning the frame to G0/0/1.

233. On the network shown in the following figure, the administrator wants Router A to use static routes to send packets to Router B priority through G0/0/1.

Which command can be used to meet this requirement?

ip route-static 10.0.2.2 255.255.255.255 10.0.12.2 ip route-static 10.0.2.2 255.255.255.255 10.0.21.2 preference 40

ip route-static 10.0.2.2 255.255.255.255 10.0.12.2 ip route-static 10.0.2.2 255.255.255.255 10.0.21.2 preference 70

ip route-static 10.0.2.2 255.255.255.255 10.0.12.2 ip route-static 10.0.2.2 255.255.255.255 10.0.21.2

ip route-static 10.0.2.2 255.255.255.255 10.0.12.2 preference 70 ip route-static 10.0.2.2 255.255.255.255 10.0.21.2

234. What is the value range of the DSCP field in the IPv4 header?

0-15

0-63

0-31

0-7

235. What is the destination port number of the DHCPv6 request packet sent by the DHCPv6 client?

546

548

547

549

236. Which of the following are correct about the analysis of ICMP packets? (Multiple Choice)

ICMP packets are encapsulated in IP packets and are not encapsulated in the transport layer.

ICMP packets cannot be used to detect MTUs in a path.

ICMP messages can record time, including original time, receiving time, and sending time.

ICMP protocol does not support redirection function

ICMP packets contain ICMP error packets, control packets, request/response packets, and refresh packets.

237. The same interface of the router cannot be used as both a DHCPv6 server and a DHCPv6 client.

True

False

238. If AH and ESP are both required to protect data streams between IPsec peers, how many Security Associations (SA) are required in total?

239. In the DHCPv6 stateless automatic allocation scheme, the host does not need to send any DHCPv6 packets.

True

False

240. Which field is added to the SNMP packet header than the IPv4 packet header?

Version

Flow Label

Destination Address

Source Address

Page 25 of 31

241. When the host uses the stateless address autoconfiguration scheme to obtain an IPv6 address, the DNS server address information cannot be obtained.

True

False

242. Which of the following commands can modify the device name to huawei?

rename huawei

sysname huawei

do name huawei

hostname huawei

243. What are the advantages of using DHCP to allocate IP addresses using Dynamic Host Configuration Protocol? (Multiple Choice)

Can achieve IP address reuse

Avoid IP address conflicts

Heavy workload and poor management

The configuration information changes (such as DNS), only the administrator needs to modify it on the DHCP server to facilitate unified management.

244. The LER in the MPLS domain is called the Label Egress Router.

True

False

245. Which of the following statement about IPv6 address configuration is correct? (Multiple choice)

IPv6 address supports multiple ways of automatic configuration

IPv6 supports DHCPv6 format for address configuration

IPv6 addresses can only be manually configured.

IPv6 supports stateless autoconfiguration

246. The OSPFv3 interface information of a router is as follows.

Which of the following statements are correct? (Multiple Choice)

The network type of this interface is P2

The Router-ID of this interface is 10.0.0.6.

The interface does not establish an adjacency relationship.

The interface area number is 1

247. When a network administrator configures STP in the network, BPDU begin to be sent by switch.

Which of the following statements regarding the BPDU frame are correct?

A BPDU uses the IEEE 802.3 standard frame type

A BPDU uses the Ethernet II standard frame type

The BPDU frame’s control field is 3

The destination MAC address field of a BPDU frame is a broadcast address

248. As shown in the following figure, host A does not have a gateway configured. Host B has a gateway ARP cache. In host A, the command ping 11.0.12.1 is used.

Which of the following statement is correct?

The destination MAC address of the data frame sent by Host A is MAC-

The destination IP address of the packet sent by host A is 11.0.12.1.

No packets will be sent from host A

249. Router 1 routing table output information is as follows, which is correct? (Muitiple choice)

There are two dynamic routing protocols in the routing table.

The mask length of the IP address of the Ethernet0/0 interface on the router is 24 bits.

The IP address of the Etherneto/0/0 interface on the router is 10.0.12.1.

There is a dynamic routing protocol in the routing table.

250. Telnet is based on the TCP protocol.

True

False

Page 26 of 31

251. Which of the following steps are necessary to configure OSPF on a Huawei router? (Choose three)

Configuration of a router ID

Enabling of an OSPF process

Specifying an OSPF area

Configuration of the network segments within each area

252. If the value of the Type/Length field of an Ethernet data frame is 0x0800, the header length of the upper packet carried by the data frame ranges from 20 to 60B.

True

False

253. There is a TTL field in the header of the IP packet.

Which of the following statement about this field is correct?

This field is used to indicate the priority of the packet.

The length of this field is 7 digits.

This field is used for packet anti-ring.

This field is used for packet fragmentation.

254. The priority of the LACP protocol is as shown in the figure. Switch A and Switch B adopt link aggregation in LACP mode, and all interfaces join the link aggregation group. The maximum number of active ports is set to 3.

Which port of switch A is not the active port?

G0/0/2

G0/0/3

G0/0/0

G0/0/1

255. Refer to the graphic, which of the following statements are true about VLAN configuration on Huawei switches? (Multiple Choice)

Client1 belongs to VLAN 10 and the VLAN assignment command on LSW1 is correct.

Client2 belongs to VLAN 20, and the MAC address-based VLAN assignment command on LSW1 is correct.

Client3 is in VLAN 30, and the VLAN assignment command on LSW1 is correct.

Client4 belongs to VLAN 40, and the VLAN assignment command on LSW1 is correct.

Client4 does not belong to VLAN 40, and the VLAN assignment command on LSW1 is incorrect.

256. In the STP protocol, assume that all switches are configured with the same priority. The MAC address of switch 1 is 00-e0-fc-00-00-40, and the MAC address of switch 2 is 00-e0-fc-00-00-10, the MAC address of switch 3 is 00-e0-fc-00-00-20, and the MAC address of switch 4 is 00-e0-fc-00-00-80, then the root switch should be ().

Switch 1

Switch 2

Switch 3

Switch 4

257. If the Authenticator sends the wrong username and password to the Authenticator during the PPP authentication process, what type of message will the Authenticator send to the Authenticator?

Authenticate-Reject

Authenticate-Ack

Authenticate-Nak

Authenticate-Reply

258. The router Radius information is configured as follows:

Which is correct? (Muitiple choice)

The IP address of the accounting server is 200.0.12.1

The IP address of the authorization server is 200.0.12.1

The source IP address of the router sending Radius packets is 200.0.12.2.

The IP address of the authentication server is 200.0.12.1

259. To establish multiple PPP point-to-point connections in the Ethernet network, a PPPoE server establishes connections with multiple PPPoE clients on one Ethernet port.

How does PPPoE differentiate between each connection?

MAC address.

IP address and MAC address

MAC address and ppp-id

MAC address and session-id

260. Which port of the following switches is blocked as shown in the following figure?

G0/0/2 of SWC

G0/0/1 of SWC

G0/0/3 of SWB

G0/0/3 of SWA

Page 27 of 31

261. The load balancing modes of the two ends of the Eth-Trunk can be inconsistent.

TRUE

FALSE

262. Which of the following statements about static route preference on Huawei devices is false?

Static route preference ranges from 0 to 255.

Default static route preference is 60.

Static route preference is either internal or external. Administrators can modify external preferences.

If static route preference is 255, the route cannot be used.

263. The ACL on the AR G3 series router supports two matching sequences: configuration order and automatic sorting.

True

False

264. If the network shown in the following figure is used to enable loopback 0 communication between Router A and Router B through static routes, which of the following command should be entered in Router A?

ip route-static 10.0.2.2 32 GigabitEthernet 0/0/0

ip route-static 10.0.2.2 0 GigabitEthernet 0/0/0

ip route-static 10.0.2.2 255.255.255.25510.0.12.2

ip route-static 10.0.2.2 255.255.255.25510.0.12.1

265. 1.A network administrator has captured a data frame in the network with the destination MAC address of 01-00-5E-A0-B1-C3.

The correct statement about this MAC address is ().

It is a unicast MAC address

It is a broadcast MAC address

It is a multicast MAC address

It is an illegal MAC address

266. A DHCP OFFER packet can carry a DNS address, but can only carry one DNS address.

True

False

267. How many domains can be configured when configuring AAA authentication on Huawei ARG3 series routers?

268. On the VRP platform, which of the following methods can you access the previous history command? (Multiple Choice)

Left cursor

Ctrl+U

Ctrl+P

Upper cursor

269. Which of the following is not included in the routing table?

MAC

Destination/Mask

Cost

NextHop

270. As shown in the figure, all four switches run STP, and various parameters use default values.

When a port on the root switch sends a jam and fails to send configuration BPDUs through the port, how long before the blocked port in the network enters the forwarding state?

About 30 seconds

About 50 seconds

About 15 seconds

About 3 seconds

Page 28 of 31

271. Which of the following about the statement of static routing are incorrect?

Manual configuration by network administrator

Inter-route information needs to be exchanged between routers

Can not automatically adapt to changes in network topology

Low system performance requirements

272. A server is linked to port interface G0/0/1 of a switch. The administrator wishes to allow only this server to be linked to this interface on the switch.

Which method can be used to achieve this?

Configure a static ARP entry using the server’s IP address and MAC address in the switch.

Configure a static MAC address binding entry of the server’s MAC address and the interface in the switch.

Configure the default gateway of the switch to be the same as the server’s IP address.

It is not possible to enable a single device to be associated with an interface.

273. Because the TCP protocol uses three-way handshake mechanism when establishing and closing connections, TCP supports reliable transmission.

TRUE

FALSE

274. Which of the following statements about a port on a switch is/are false?

If the port receives data frames without VLAN tags, the switch needs to add VLAN tag 200.

If the VLAN tag carried in a data frame is 100, the switch removes the VLAN tag and sends the frame.

The link type of the port is trunk.

The port cannot send data frames carrying VLAN tag 200.

275. The multicast address FF02::2 indicates all routers in the link-local range.

True

False

276. The Router ID of the OSPF process takes effect immediately after being modified.

True

False

277. Interface G0/0/1 on RTA contains a MAC address of 00e0-fc03-aa73 and is configured with the IPv6 address 2001::2E0:FCFF:FE03:AA73.

Which method is most likely to have been used to configure the interface IPv6 address?

DHCPv6

Auto-link

ARP

EUI-64

278. When NAT uses a dynamic address pool, addresses in the address pool can be reused, that is, the same IP is mapped to multiple intranet IPs at the same time.

True

False

279. Which of the following types can ICMP packets be classified into? (Choose two)

ICMP transport packet

ICMP error reporting packet

ICMP query packet

ICMP application packet

280. As shown in the following figure, assume that all routers run OSPF at the same time.

Which router is the DR in this network?

Router A

Router B

Router C

Router D

Page 29 of 31

281. The priority of the static routing protocol cannot be specified manually.

True

False

282. What is the total length of the interface identifier of the link-local unicast address?

48bit

32bit

64bit

96bit

283. If the Proto of a routing information in the routing table is OSPF, the priority of this route must be 10.

True

False

284. Which of the following subnet routes can aggregate fron the route entry 10.0.0.24/29? (Multiple Choice)

10.0.0.24/30

10.0.0.26/30

10.0.0.28/30

10.0.0.23/30

285. Which of the following network types does the OSPF protocol need to elect DR and BDR? (Multiple Choice)

Point-to-point type

Broadcast type

NBMA

Point to point

286. Which of the following packets belong to the OSPF protocol? (Multiple choice)

LSU

LSA

LSR

HELLO

287. Refer to the graphic.

GE0/0/1 and GE0/0/2 on the switch are configured as hybrid interfaces.

Which of the following statements are true? (Choose all that apply)

The administrative department and the finance department cannot communicate with each other because the VLANs of the two departments are different.

The data frames sent by the administrative department carry tagged VLAN 20 on the switch.

On the switch, the data frames sent by the finance department carry tagged VLAN 20.

The switch can be a Layer 2 or Layer 3 switch because communications do not need to be transmitted through a Layer 3 gateway.

If GE0/0/1 and GE0/0/2 on the switch are changed to trunk ports, the administrative department and finance department can communicate with each other.

288. On the VRP interface, use the command startup saved-configuration backup.cfg to configure the backup.cfg file for the next startup.

True

False

289. In order to check whether the serial port S0/0/1 on the router is a DTE interface or a DCE interface, which of the following commands should be used?

display interface s0/0/1

display current-config

display saved-config

display controller serial

290. What kind of IPv6 address is FE80::2EO:FCFF:FE6F:4F36?

Multicast address

Anycast address

Link-local address

Global unicast address

Page 30 of 31

291. Referring to the output result shown in the figure, it can be judged that the routing table of the router is composed of a direct route and a static route.

True

False

292. If an Ethernet data frame has Length/Type=0x8100, which of the following statement is correct?

This data frame must carry VLAN TAG

The TCP header must exist in the upper layer of this data frame.

The UDP header must exist in the upper layer of this data frame.

The IP header must exist in the upper layer of this data frame.

293. Refer to the configuration output.

RTA has been configured using AAA as shown, and associated with the “huawei” domain.

For users in the huawei domain, which authentication-scheme will be used?

au1

au2

au1 will be used. When au1 is deleted, users will use au2

au2 will be used. When au2 is deleted, users will use au1

294. A trunk port can send both tagged data frames and unlabeled data frames.

TRUE

FALSE

295. The static MAC address table is reset in the system, after the interface board is hot swapped or the interface board is reset, saved entries are not lost.

TRUE

FALSE

296. If the result of the packet matching ACL is "reject", the packet is finally discarded.

True

False

297. Which of the following network types does the OSPF protocol support? (Multiple Choice)

Broadcast type

Point to point

Point-to-point type

NBMA

298. Which packet is sent by the DHCPv6 client in response to the Advertise packet sent by the DHCPv6 server?

Offer

Request

Advertise

299. As shown in the following figure, the MAC address table of the SWA is as follows. The switch can never learn the MAC address of the HOST A.

Which of the following reasons is not possible?

HOST A did not send any data frames

The G0/0/1 port of the switch is set to ACCESS mode.

The MAC address learning function is disabled on G0/0/1 of the switch.

Turn off the MAC address learning function of the LAN to which HOST A belongs.

300. Huawei ARG3 series routers enable all versions of SNMP (SNMPv1, SNMPv2c, and SNMPv3) by default.

True

False

Page 31 of 31

301. The administrator wishes to manage a network through telnet from a user's terminal to a router.

How can this be achieved?

A connection should be established between the ethernet port of the terminal and the console port of the router.

A connection should be established between the ethernet port of the terminal and the ethernet port of the router.

A connection should be established between the console port of the terminal and the ethernet port of the router.use console cable connect pc’s ethernet port and router’s console port.

A connection should be established between the COM port of the terminal and the console port of the router.

302. Refer to the graphic.

RTA and RTB are running RIPv1. RTA has advertised 10.0.0.0 and 192.168.1.0 to the RIP network.

Which routes will exist in the IP routing table of RTB? (Choose all that apply)

10.0.0.0/8

192.168.1.1/32

10.1.12.1/32

192.168.1.0/24

303. After the network administrator uses the TracertRoute function on the router device, what is the value of the Protocol field of the IPv4 header in the data packet sent by the router?

304. DHCPv6 belongs to a stateful address autoconfiguration protocol.

True

False

305. SNMP packets are encapsulated in TCP packets.

True

False

306. When routers are running in the same OSPF area, which of the following description of their LSDB and routing table is correct? (Multiple choice)

The link state database obtained by each router is different.

The routing table of each router is different.

The link state database obtained by all routers is the same

The routing tables obtained by all routers are the same.

307. As shown in the following figure, Switch A and Router A are connected through two links. The two links are in the manual load balancing mode.

The aggregation port number is 1, and the data is forwarded through the aggregation link, which needs to carry VLAN TAG 100, which configuration does Router A need to use? (Multiple choice)

interface Eth-Trurnk1 port link-type trurnk port trunk allow-pass vlan 100 # interface GigabitEthernet0/0/1 eth-trunk 1 # interface GigabitEthernet0/0/2 eth-trunk 1 #

interface Eth-Trunk1 undo portswitch # interface Eth-Trunkl.100 dotlq termination vid 100 ip address 10.0.12.2255.255.255.0 arp broadcast enable #

interface Eth-Trunk1 mode lacp-static port link-type trurnlk port trunk allow pass vlan 100 # interface GigabitEthernet0/0/1 eth-trunk 1 # interface GigabitEtherneto/0/2 eth-trunk 1 #

interface GigabitEtherneto/0/1 eth-trunk 1 # interface GigabitEthernet0/0/2 eth-trunk 1 #

HCIA-Routing & Switching H12-211 Exam Updated Dumps

HCIA-Routing & Switching H12-211 Exam Updated Dumps

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