CompTIA Network+ N10-008 Exam Updated Questions

1. A systems administrator needs to improve WiFi performance in a densely populated office tower and use the latest standard.

There is a mix of devices that use 2.4 GHz and 5 GHz.

Which of the following should the systems administrator select to meet this requirement?

2. Which of the following would be BEST to use to detect a IMIAC spoofing attack?

3. A technician receives feedback that some users are experiencing high amounts of jitter while using the wireless network. While troubleshooting the network, the technician uses the ping command with the IP address of the default gateway and verifies large variations in latency. The technician thinks the issue may be interference from other networks and non-802.11 devices.

Which of the following tools should the technician use to troubleshoot the issue?

4. Wireless users are reporting intermittent internet connectivity. Connectivity is restored when the users disconnect and reconnect, utilizing the web authentication process each time. The network administrator can see the devices connected to the APs at all times.

Which of the following steps will MOST likely determine the cause of the issue?

5. A network administrator walks into a datacenter and notices an unknown person is following closely. The administrator stops and directs the person to the security desk.

Which of the following attacks did the network administrator prevent?

6. SIMULATION

You have been tasked with setting up a wireless network in an office. The network will consist of 3 Access Points and a single switch.

The network must meet the following parameters:

- The SSIDs need to be configured as CorpNet with a key of S3cr3t!

- The wireless signals should not interfere with each other

- The subnet the Access Points and switch are on should only support 30 devices maximum

- The Access Points should be configured to only support TKIP clients at a maximum speed



INSTRUCTONS

Click on the wireless devices and review their information and adjust the settings of the access points to meet the given requirements.

If at any time you would like to bring back the initial state of the simulation, please click the Reset All button.

7. A network is experiencing a number of CRC errors during normal network communication.

At which of the following layers of the OSI model will the administrator MOST likely start to troubleshoot?

8. A client recently added 100 users who are using VMs. All users have since reported slow or unresponsive desktops. Reports show minimal network congestion, zero packet loss, and acceptable packet delay.

Which of the following metrics will MOST accurately show the underlying performance issues? (Choose two.)

9. Client devices cannot enter a network, and the network administrator determines the DHCP scope is exhausted. The administrator wants to avoid creating a new DHCP pool.

Which of the following can the administrator perform to resolve the issue?

10. An administrator is writing a script to periodically log the 1Pv6 and MAC addresses of all the dev ices on a network segment.

Which of the following switch features will MOST likely be used to assist with this task?

11. Which of the following ONS records works as an alias to another record?

12. A company built a new building at its headquarters location. The new building is connected to the company's LAN via fiber-optic cable. Multiple users in the new building are unable to access the company's intranet site via their web browser, but they are able to access internet sites.

Which of the following describes how the network administrator can resolve this issue?

13. A technician is installing a new fiber connection to a network device in a datacenter. The connection from the device to the switch also traverses a patch panel connection.

The chain of connections is in the following order:

- Device

- LC/LC patch cable

- Patch panel

- Cross-connect fiber cable

- Patch panel

- LC/LC patch cable

- Switch

The connection is not working. The technician has changed both patch cables with known working patch cables. The device had been tested and was working properly before being installed.

Which of the following is the MOST likely cause of the issue?

14. A technician is searching for a device that is connected to the network and has the device's physical network address.

Which of the following should the technician review on the switch to locate the device's network port?

15. Which of the following provides redundancy on a file server to ensure the server is still connected to a LAN even in the event of a port failure on a switch?

16. An IT organization needs to optimize speeds for global content distribution and wants to reduce latency in high-density user locations.

Which of the following technologies BEST meets the organization's requirements?

17. A user reports being unable to access network resources after making some changes in the office.

Which of the following should a network technician do FIRST?

18. A new cabling certification is being requested every time a network technician rebuilds one end of a Cat 6 (vendor-certified) cable to create a crossover connection that is used to connect switches.

Which of the following would address this issue by allowing the use of the original cable?

19. A company hired a technician to find all the devices connected within a network.

Which of the following software tools would BEST assist the technician in completing this task?

20. A technician is installing a high -density wireless network and wants to use an available frequency that supports the maximum number of channels to reduce interference.

Which of the following standard 802.11 frequency ranges should the technician look for while reviewing WAP specifications?

21. A technician is configuring a network switch to be used in a publicly accessible location.

Which of the following should the technician configure on the switch to prevent unintended connections?

22. Which of the following is used to track and document various types of known vulnerabilities?

23. The network administrator is informed that a user's email password is frequently hacked by brute-force programs.

Which of the following policies should the network administrator implements to BEST mitigate this issue? (Choose two.)

24. A network engineer performs the following tasks to increase server bandwidth:

. Connects two network cables from the server to a switch stack. Configure LACP on the switchports

. Verifies the correct configurations on the switch interfaces.

Which of the following needs to be configured on the server?

25. A network technician is manually configuring the network settings for a new device and is told the network block is 192.168.0.0/20.

Which of the following subnets should the technician use?

26. Which of the following is the LARGEST MTU for a standard Ethernet frame?

27. Given the following information:





Which of the following command-line tools would generate this output?

28. According to troubleshooting methodology, which of the following should the technician do NEXT after determining the most likely probable cause of an issue?

29. Which of the following BEST describes a network appliance that warns of unapproved devices that are accessing the network?

30. A technician is installing a cable modem in a SOHO.

Which of the following cable types will the technician MOST likely use to connect a modem to the ISP?

31. A network technician is reviewing the interface counters on a router interface. The technician is attempting to confirm a cable issue.

Given the following information:





Which of the following metrics confirms there is a cabling issue?

32. Which of the following is the physical topology for an Ethernet LAN?

33. An IT director is setting up new disaster and HA policies for a company. Limited downtime is critical to operations. To meet corporate requirements, the director set up two different datacenters across the country that will stay current on data and applications. In the event of an outage, the company can immediately switch from one datacenter to another.

Which of the following does this BEST describe?

34. The management team needs to ensure unnecessary modifications to the corporate network are not permitted and version control is maintained.

Which of the following documents would BEST support this?

35. Which of the following is MOST likely to generate significant East-West traffic in a datacenter?

36. A technician is troubleshooting a network switch that seems to stop responding to requests intermittently whenever the logging level is set for debugging.

Which of the following metrics should the technician check to begin troubleshooting the issue?

37. A technician wants to deploy a new wireless networ1< that comprises 30 WAPs installed throughout a three-story office building. All the APs will broadcast the same SSID for client access.

Which of the following BEST describes this deployment?

38. A user tries to ping 192.168.1.100 from the command prompt on the 192.168.2.101 network but gels the following response: U.U.U.U.

Which of the following needs to be configured for these networks to reach each other?

39. A branch of a company recently switched lo a new ISP. The network engineer was given a new IP range to assign.

The ISP assigned 196.26.4.0/26, and the branch gateway router now has the following configurations on the interface that peers to the ISP:

IP address: 196.26.4.30

Subnet mask: 255.255.255.224

Gateway: 196.24.4.1

The network engineer observes that all users have lost Internet connectivity.

Which of the following describes the issue?

40. Within the realm of network security, Zero Trust:

41. Which of the following service models would MOST likely be used to replace on-premises servers with a cloud solution?

42. Which of the following factors should be considered when evaluating a firewall to protect a datacenter's east-west traffic?

43. SIMULATION

You are tasked with verifying the following requirements are met in order to ensure networ1< security.

Requirements:

Datacenter

- Ensure network is subnetted to allow all devices to communicate properly while minimizing address space usage

- Provide a dedicated server to resolve IP addresses and hostnames correctly and handle port 53 traffic

Building A

- Ensure network is subnetted to allow all devices to communicate properly while minimizing address space usage

- Provide devices to support 5 additional different office users

- Add an additional mobile user

- Replace the Telnet server with a more secure solution

Screened subnet

- Ensure network is subnetted to allow all devices to communicate properly while minimizing address space usage

- Provide a server to handle external 80/443 traffic

- Provide a server to handle port 20/21 traffic



INSTRUCTIONS

Drag and drop objects onto the appropriate locations. Objects can be used multiple times and not all placeholders need to be filled.

Available objects are located in both the Servers and Devices tabs of the Drag & Drop menu.

If at any time you would like to bring back the initial state of the simulation, please click the Reset All button.











Which of the following is used to prioritize Internet usage per application and per user on the network?

44. Which of the following is used to prioritize Internet usage per application and per user on the network?

45. A network administrator needs to query the NSs for a remote application.

Which of the following commands would BEST help the administrator accomplish this task?

46. Which of the following would MOST likely be used to review previous upgrades to a system?

47. A technician is deploying a new switch model and would like to add it to the existing network monitoring software. The technician wants to know what metrics can be gathered from a given switch.

Which of the following should the technician utilize for the switch?

48. A network device is configured to send critical events to a syslog server; however, the following alerts are not being received:

Severity 5 LINK- UPDOWN: Interface 1/1, changed state to down

Severity 5 LINK- UPDOWN: Interface 1/3, changed state to down

Which of the following describes the reason why the events are not being received?

49. A network administrator is implementing OSPF on all of a company's network devices.

Which of the following will MOST likely replace all the company's hubs?

50. A network administrator discovers that users in an adjacent building are connecting to the company's guest wireless network to download inappropriate material.

Which of the following can the administrator do to MOST easily mitigate this issue?