JN0-253 Mist AI, Associate (JNCIA-MistAI) Exam Free Dumps

dumps2025-05-13T09:49:26+08:00

JN0-253 exam is the new one for JNCIA-MistAI certification, which is designed for Wireless LAN networking professionals with introductory knowledge of wireless networking using the Mist AI. Learning Juniper JN0-253 exam information is a required step. There are 65 multiple-choice questions in real Juniper JN0-253 exam, and you have 90 minutes to answer all the questions. You can register Juniper JN0-253 exam at Pearson VUE testing center. We have cracked the latest Mist AI, Associate (JNCIA-MistAI) JN0-253 exam dumps, which can guarantee you success in the first attempt. Free Mist AI, Associate (JNCIA-MistAI) JN0-253 exam dumps are available below.

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1. You administer your company’s Windows network. The network consists of 25 Windows Server computers. The network contains an offline root Certification Authority (CA) located in the main office and a subordinate issuing CA in the main office and each of the remaining four retail locations.

One of the four retail locations has been purchased and will operate as a franchise. You must ensure that resources on the company network will not accept certificates from the associated subordinate CA in this retail location after the sale is completed. Your solution must use a minimum amount of administrative effort.

What should you do?

Each correct answer presents part of the solution. (Choose three.)

On the company’s root CA, revoke the certificate of the subordinate C

Disconnect the subordinate CA from the network.

On the subordinate CA, remove the CA software and remove the CA files.

On the subordinate CA, revoke the certificates that it has issued.

Publish a new Certificate Revocation List.

Copy the Edb.log file from the root CA to its Certification Distribution Point on your network.

Copy the Edb.log file from the subordinate CA to its Certification Distribution Point on your network.

Copy the Certificate Revocation List file to the Certificate Distribution Point on your network.

2. What is the base subscription required to get started with a Mist access point?

Wi-Fi Management and Assurance

Premium Analytics

Virtual Network Assistant

Mist Edge

3. When determining design requirements, which statement is correct about the primary coverage requirement?

The minimum signal strength from the primary access point must be -67 dBm or better.

The signaling rate, not the throughput, must be considered.

One access point on a channel must be above -85 dBm.

The background noise must be 25 dBm.

4. You are working as the administrator at ABC.com. The ABC.com network consists of a single Active Directory domain named ABC.com. The ABC.com network contains a DMZ that contains a two-node Network Load Balancing cluster, which is located in a data centre that is physically impenetrable to unauthorized persons.

The cluster servers run Windows Server Web Edition and host an e-commerce website. The NLB cluster uses a virtual IP address that can be accessed from the Internet.

What can you do to mitigate the cluster’s most obvious security vulnerability?

Configure the cluster to require IPSec.

Configure the network cards to use packet filtering on all inbound traffic to the cluster.

Use EFS on the server hard disks.

Configure intrusion detection the servers on the DM

Configure Mac addressing on the servers in the DM

5. Under ideal conditions, which frequency band will have the farthest usable range?

6 GHz

900 MHz

2.4 GHz

5 GHz

6. What type of insights can be gained from Juniper Mist insights in Juniper Mist Monitoring and Analytics?

Network performance metrics.

User behavior patterns.

Security threats.

All of the above.

7. What are two actions for provisioning a switch in Mist? (Choose two.)

Adopt

Install

Claim

Add

8. Which statement is correct about service level expectations (SLEs)?

Service level expectations are never quantified in user minutes

Service level expectations are only measured as pass or fail

Some service level expectations are quantified in user minutes

All service level expectations are quantified in user minutes

9. What is the purpose of alerts in Juniper Mist Monitoring and Analytics?

To identify network performance issues.

To capture and analyze network traffic for security purposes.

To monitor user behavior on the network.

To notify network administrators of potential issues.

10. Within which section of an organization's settings would you define an inactivity timeout value?

management connection

password policy

session policy

Mist certificate

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11. Which two statements are true about Mist managed switches with Wired Assurance? (Choose two.)

Once Mist management is enabled, any conflicting configuration items will be saved.

Changes made from the switch's CLI are reflected in the GUI

Once Mist management is enabled, any conflicting configuration items will be overwritten.

Changes made from the switch's CLI are not reflected in the GUI

12. What happens when Mist subscriptions expire?

Devices retain their configurations and all Mist management GUI functionality remains available to the user.

Devices retain their configurations but Mist management GUI functionality related to expired subscriptions are not configurable by the user.

Devices retain their configurations for 90 days; if the subscriptions are not renewed, the configuration is deleted and the devices are reset to factory default.

Devices retain their configurations but the Mist user is prevented from accessing the Mist management GU

13. What are audit logs in Juniper Mist Monitoring and Analytics?

A way to capture and analyze network traffic.

A set of predefined thresholds for network performance.

A tool for monitoring user behavior on the network.

A record of network activity for compliance purposes.

14. When using Mist's location-based services (LBS), what is the accuracy of Wi-Fi location?

4 to 8 meters

5 to 10 meters

1 to 3 meters

3 to 5 meters

15. What is the key functionality of Juniper Mist Wired Assurance?

Real-time monitoring and analytics of wired network performance.

Automated network configuration and provisioning.

Integration with third-party network management tools.

Network traffic optimization and load balancing.

16. You operate a 5 GHz network where 2.4 GHz is not supported. A user reports that their client devices have very poor signal strength under a specific access point. Other users in this area are not experiencing problems.

What is the cause of the signal strength problem?

The user's client device does not support the channel that the AP is on.

There are not enough access points to cover the area.

The user's client device supports only the 2.4 GHz band.

The closest access point is affected by a DFS event.

17. What would be defined using a configuration template in the Mist UI?

AP hostname

Marvis query type

SSID

MTU

18. What are three valid administrator roles that you would be able to assign to a user within an organization? (Choose three.)

View

Root User

Super User

Helpdesk

Network Admin

19. What is the minimum administrator role needed to invite a user to be an administrator of an organization?

network admin

installer

helpdesk

super user

20. Which two statements are true about the Mist Cloud? (Choose two.)

The Mist Cloud manages devices and collects data over separate connections

Application payload data is not stored

The Mist Cloud manages devices and collects data over the same connection

Application payload data is stored offsite

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21. Which two categories are included in the Connectivity Marvis Action? (Choose two.)

Offline AP

Bad Cable

ARP Failure

DNS Failure

22. A user called a help desk to report a Wi-Fi issue. In this scenario, what information must be provided for Marvis to troubleshoot the issue? (Choose two.)

the MAC address of the client device

user home address

the time of the incident

the access point to which the client was connected

23. Where can user-defined labels be applied in the Mist UI?

A WLAN

An Organization

A Site

A WXLAN Policy

24. Which two 802.11 amendments operate within the 2.4 GHz band? (Choose two.)

802.11ax

802.11ac

802.11a

802.11b

25. What is the purpose of support tickets in Juniper Mist Cloud Operations?

To track network performance.

To troubleshoot network issues.

To generate network reports.

To configure network devices.

26. The signal strength between an AP and a given client is weak and nearly unusable.

In this scenario, which statement is correct?

The AP will move the connection from 2.4 GHz to 5 GHz.

The client and the access point shift to slower data rates.

The AP will move that specific client connection to a clearer channel.

The RADIUS server will send a Change of Authorization (COA) to the client.

27. What are the benefits of using Juniper Mist Wi-Fi Assurance?

Improved network performance and reliability.

Simplified network management and troubleshooting.

Increased network security and compliance.

All of the above.

28. Which data rate(s) are supported on 802.11b legacy devices?

MCS 1

6 Mbps

24, 36, 48, and 54 Mbps

1, 2, 5.5, and 11 Mbps

29. What are two valid Mist subscription status states in the Mist GUI? (Choose two.)

Expired

Perpetual

Staged

Exceeded

30. Which two statements are correct when managing switches located in a Mist-managed site? (Choose two.)

The site firewall must allow communications from the switch to Mist.

A switch template must be assigned to the site.

The site must have Mist access points.

The switch must be assigned to the site.

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31. You have deployed a wireless network for a customer. The customer asks you to collect real-world measurements that show signal strength, secondary coverage, and co-channel interference on a map.

In this scenario, which task must you perform to satisfy the requirements?

A predictive model

A predictive survey

A post-installation validation survey

An AP-on-a-stick survey

32. You are troubleshooting a signal strength issue when you notice that the signal strength changes from -70 to -73 dBm as you move from one room to another.

In this scenario, what is happening?

Signal strength has increased by 10x.

Signal strength has decreased by 10x.

Signal strength has doubled.

Signal strength has halved.

33. What are two types of site surveys? (Choose two.)

Analog

Active

Passive

Digital

34. What would cause reduced Wi-Fi performance?

using 40 MHz channels on 5 GHz

using too many SSIDs

using a PSK

using a single SSID

35. What does Mist with Wi-Fi Assurance do to detect a bad cable connected to an AP?

It monitors SNMP trap information.

It performs cable tests.

It sends probe traffic through the cable connections.

It applies machine learning to telemetry data.

36. What is an 802.11 management frame transmitted by an AP?

beacon

ping

echo request

keepalive

37. Which 802.11 amendment introduces data rates up to 600 Mbps and support for up to four spatial streams?

802.11n

802.11a

802.11g

802.11ac

38. What type of documentation is available in Juniper Mist Cloud Operations?

User manuals for network devices.

Technical guides for network applications.

Release notes for software updates.

All of the above.

39. What is an advantage of using the Juniper Mist cloud compared to traditional on-premises WLAN controllers?

The ability to configure Mist cloud using any connected A

More robust AP encryption occurs.

Machine learning occurs through micro services.

Mist updates occur daily.

40. Which authentication method does Juniper Mist cloud support for user/account authentication?

Kerberos

LDAP

RADIUS

All of the above

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41. What does RSSI measure?

interference

frequency

signal strength

noise

42. What is the key functionality of Juniper Mist Wi-Fi Assurance?

Real-time monitoring and analytics of wireless network performance.

Automated network configuration and provisioning.

Integration with third-party network management tools.

Network traffic optimization and load balancing.

43. Which statement represents proper planning for location-based services?

Triple the number of APs that you would normally use for basic Wi-Fi coverage.

APs must be wall mounted to provide location accuracy with additional APs in foyers and elevator shafts.

Place APs in the same location as for basic Wi-Fi coverage.

Base your coverage plan on a rubber band model where the APs form a perimeter of location coverage.

44. Which two domains comprise artificial intelligence (AI)? (Choose two.)

machine learning

deep learning

SIEM

virtualization

45. You are configuring your Mist network and you want to separate certain users into their own networks and VLANs. You are concerned about the network's utilization and want to make sure that only a single SSID is sending beacons.

In this scenario, which feature would accomplish this behavior?

geofence

multiple PSK

virtual SSID

SSID scheduling

46. Which service level expectation (SLE) is included in both wireless and wired SLES?

Roaming

Capacity

Throughput

Coverage

47. Which of the following is NOT a role that can be assigned to a Mist AI user account?

Super Admin

Site Admin

Network Admin

Device Admin

48. You are replacing an existing WLAN with a Mist Cloud-based WLAN.

Which statement is true about WLAN design in this scenario?

You do not need to create a new design if the existing WLAN design documentation is available.

You only need to perform a new WLAN design if the requirements have changed.

You should always perform a full WLAN design for new equipment.

WLAN designs are not needed with Mist artificial intelligence and machine learning.

49. Which of the following is a common use case for packet captures in Juniper Mist Monitoring and Analytics?

To identify network performance issues.

To capture and analyze network traffic for security purposes.

To monitor user behavior on the network.

To generate alerts for network administrators.

50. What is Juniper Mist WAN Assurance?

A feature that provides end-to-end visibility and troubleshooting of WAN networks.

A feature that provides real-time analysis of wireless network performance.

A feature that provides network segmentation and access control for WAN networks.

A feature that provides advanced threat detection and prevention for WAN networks.

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51. You are designing a wireless network that requires smooth roaming performance and redundant coverage from at least two access points at every location.

What ensures that both of these functional requirements are satisfied?

co-channel interference

data rate

secondary coverage

primary coverage

52. Which underlying technology does Mist use to calculate BLE location?

time of flight

probability surface

triangulation

trilateration

53. Which characteristic describes Mist's cloud software architecture?

microservices based

shard based

controller based

monolithic code

54. You use the default values when configuring a new site in the Mist portal.

In this scenario, which two statements are correct? (Choose two.)

Rogue and neighbor APS will be detected by default.

Honeypot APs will not be detected by default.

Honeypot APs will be detected by default.

Rogue and neighbor APs will not be detected by default.

55. Which capacity sub-classifier is available in the Service Level page in the Mist UI?

Switch Reboot

Authorization

Association

Non Wi-Fi Interference

56. In the Mist Access Point portfolio, which dedicated device would be used in location-based services (LBS)?

AP34

AP32

BT11

AP12

57. Which statement is correct about Mist AP packet capture?

You can configure a wired or wireless packet capture manually.

You can only configure wired packet captures manually.

You can only trigger wired or wireless packet captures dynamically

You can only configure wireless packet captures manually.

58. What are Juniper Mist insights in Juniper Mist Monitoring and Analytics?

A way to capture and analyze network traffic.

A set of predefined thresholds for network performance.

A tool for monitoring user behavior on the network.

An AI-driven analytics engine that provides network insights.

59. What is the advantage of using Websocket in Juniper Mist Cloud Operations?

It provides a high level of security.

It requires less bandwidth.

It supports bidirectional communication.

It is easy to use for beginners.

60. Which two signal strengths would provide good Wi-Fi performance? (Choose two.)

-35 dBm

-65 dBm

-87 dBm

-80 dBm

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61. What are Marvis queries in Marvis Virtual Network Assistant?

AI-driven recommendations for network optimization.

A tool for capturing packets on the network.

A mechanism for generating alerts based on user behavior.

An interface for asking questions about network performance.

62. Which statement is correct about Wi-Fi?

Wi-Fi operates at full-multiplex.

Wi-Fi operates at half-duplex.

Only two devices can transmit on the same channel at the same time.

A user device can be connected on multiple frequency bands at the same time.

63. When designing for a multiple frequency deployment (5 GHz and 2.4 GHz), which statement is correct?

The coverage of the multiple bands at the same power will be identical.

5 GHz is a higher frequency and so will travel further and penetrate walls better.

5 GHz should generally be used for planning.

802. 11ac is available in both frequency bands so the design frequency is not important.

64. Over which port does an access point communicate with the Mist cloud?

TCP/443

TCP/53

TCP/422

TCP/8443

65. What is the advantage of using RESTful API in Juniper Mist Cloud Operations?

It is easy to use for beginners.

It provides a high level of security.

It is platform independent.

It requires less bandwidth.

66. WXLAN is used to provide policy controls for wireless clients. In the Mist UI, from which construct are these policies built?

Labels -- a generic group of attributes or resources referenced by the policy engine.

IP objects -- configured IP addresses directly entered into the policy engine.

Port numbers -- control is provided by port numbers directly entered into the policy engine.

Containers -- a collection of networking resources that can be used in the policy engine.

67. What are the prerequisites for network connection when configuring Juniper Mist devices?

Wired connection to the internet

Wireless connection to the internet

Either wired or wireless connection to the internet

Local area network connection only

68. In a standard roam from one access point to another access point, what makes the decision to roam?

the client device

the cloud

the access point

the controller

69. Which statements are true about a Mist organization? (Choose two.)

The Organization ID can not be changed

The Organization Name can be changed

The Organization Name can not be changed

The Organization ID can be changed

70. Which two statements about Mist Edge are correct? (Choose two.)

Mist Edge provides split tunneling for guest access and corporate traffic.

Mist Edge is required to support Wi-Fi 6 APs.

Mist Edge provides WLAN management.

Mist Edge extends VLANs to distributed branches and telecommuters to replace remote VPN technology.

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71. In which two areas does the Mist API provide access? (Choose two.)

Access to wireless performance statistics.

Access to software applications installed on the end users.

Access to the syslog messages from other equipment on site.

Access to the configuration of the APs.

72. In Mist, what is the purpose of user minutes?

To normalize network operating time to make it easier to compare and quantify

To track user time on each WLAN

To track user time spent per network application

To normalize user experience data to make it easier to compare and quantify

73. Which statement is correct about Marvis Actions?

It summarizes user trouble tickets and detected AP problems.

It automatically detects and reports network problems.

It summarizes all of the misconfigured WLANs at a site.

It automatically issues an RMA for an A

74. What is Websocket in Juniper Mist Cloud Operations?

A protocol for secure communication between devices.

A framework for creating web services.

A mechanism for capturing network traffic.

A technology for managing virtual machines.

75. Which statement is correct about 802.11 wireless network interfaces?

Wireless NICs operate in full-duplex mode.

Wireless NICs use Carrier Sense Multiple Access Collision Detection.

A wireless NIC only receives frames destined for it.

Wireless NICs process all frames that are heard.

76. What are the benefits and features of Juniper Mist Wired Assurance?

Provides AI-driven automation for wired network management

Offers real-time network visibility and troubleshooting

Delivers automated remediation and network assurance

All of the above

77. Which two APIs are supported by Mist? (Choose two.)

SOAP

gRPC

Webhook

REST

78. Exhibit:

You notice a green LED emitted from your AP43.

Referring to the exhibit, what does this signal indicate?

The AP is configured correctly and at least one user is connected to it.

The AP is configured correctly with no users connected to it.

The AP is not configured correctly with no users connected to it.

The AP is not configured correctly but one user is connected to it.

79. The Connectivity category in Marvis Actions displays connectivity failures for which devices?

WAN edge and wireless

wireless only

WAN edge and wired

wireless and wired

80. What are two prerequisites for adopting Juniper switches for Wired Assurance? (Choose two.)

a claim code

a Wired Assurance license

an activation code

an account on manage.mist.com

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81. Which protocol does the REST API use?

syslog

SNMP

HTTP

SSL

82. Mist Insights will provide detailed information about which two categories? (Choose two.)

Client

Organization

Templates

83. Which configuration object allows you to turn off the 2.4GHz radios on an AP?

Organization Settings

WLAN Template

RF Template

Wi-Fi Location Settings

84. Which statement is correct about a WLAN RF medium?

A WLAN RF is a full duplex, contention free medium where each client transmits on a separate channel.

A WLAN RF is a half-duplex, shared medium where 802.11 stations contend with each other for access.

A WLAN RF is a half-duplex, contention-free medium where the access point polls each station in turn.

A WLAN RF is a full-duplex, contention-free medium where 802.11 stations can transmit and receive at the same time.

85. What type of questions can be asked using Marvis queries in Marvis Virtual Network Assistant?

Network performance metrics.

User behavior patterns.

Security threats.

All of the above.

86. What information will the user device receive from the Location engine?

floor map

venue details

coordinates

nearby eat outs

87. Which two classifiers would impact the Time to Connect service level metric? (Choose two.)

Asymmetry downlink

Wi-Fi interference

Association

DHCP

88. What are two components of Reinforcement Learning? (Choose two.)

Autonomous Decisions

Action results (improvement or degradation)

Natural Language Processing

A Critic

89. What type of update information is available in Juniper Mist Cloud Operations?

Firmware updates for network devices.

Security patches for network devices.

Software updates for network applications.

All of the above.

90. In the Mist UI, when you invite someone to become a Network Admin, which two abilities will they be given? (Choose two.)

Create WLANs

Change configuration templates.

Have read/write access to specific sites.

Invite other administrators.

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91. In which two frequencies does Wi-Fi operate? (Choose two.)

2.4 GHz

5 GHz

3.4 GHz

500 MHz

92. What are two categories that machine learning models are grouped into? (Choose two.)

Reinforcement learning

Natural Language Processing

Supervised learning

Vision

93. Which statement correctly explains what a lock icon displayed on a Marvis Actions category means?

Your user permissions do not allow access to this information

There is no current subscription which allows that functionality

That Marvis Actions category is not yet implemented in the Mist GUI

There are no actions currently active within that category

94. When determining wireless network requirements, which three questions must be answered? (Choose three.)

How many wired devices do you have?

What devices will you be using?

Does the location have air conditioning?

Where do you need Wi-Fi?

How many devices and users will there be?

95. Which two statements are correct about the 5 GHz band? (Choose two.)

It has less non-Wi-Fi interference than the 2.4 GHz band.

It is a licensed spectrum.

It has more non-Wi-Fi interference than the 2.4 GHz band.

It is an unlicensed spectrum.

96. Referring to the exhibit, which statement is true?

Warning alerts are being filtered

No alerts are being filtered

Information alerts are being filtered

Critical alerts are being filtered

97. How are Marvis actions in Marvis Virtual Network Assistant different from traditional network management approaches?

Marvis actions are more reactive, while traditional network management approaches are more proactive.

Marvis actions are more manual, while traditional network management approaches are more automated.

Marvis actions are more AI-driven, while traditional network management approaches are more rule-based.

Marvis actions are more focused on security, while traditional network management approaches are more focused on performance.

98. You just received the newest Mist AP and want to enable a feature that is only available at this time on Release Candidate 1. In this scenario, using the Mist GUI, where would you determine which version of Release Candidate 1 is available for your AP?

Support Tickets and Documentation -> Feature Updates

Support Tickets and Documentation -> Ports & Endpoints

Support Tickets and Documentation -> Mist Edge Updates

Support Tickets and Documentation -> Firmware Updates

99. Which organization is responsible for creating the 802.11 standard?

Institute of Electrical and Electronics Engineers (IEEE)

Ethernet Technology Consortium

International Organization for Standardization (ISO)

Wi-Fi Alliance

100. Which statement is correct about Wi-Fi data transmission?

Wi-Fi is a collision-free medium.

Wi-Fi is full-duplex.

Legacy devices use air time more efficiently.

Legacy devices use air time less efficiently.

JN0-253 Mist AI, Associate (JNCIA-MistAI) Exam Free Dumps

JN0-253 Mist AI, Associate (JNCIA-MistAI) Exam Free Dumps

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