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  3. JN0-252

Juniper JN0-252 Exam (page: 2)
Juniper Mist AI, Associate
Updated on: 25-Dec-2025

Viewing Page 2 of 14
JN0-252 PDF 74 Questions

...are asked to enable Mist management at an existing site with previously configured EX3400 brownfield switches, and to add a new greenfield switch, which statement is correct in this scenario?

  1. You can mix brownfield switches and greenfield switches as long as they are running a Mist- supported version of Junos.
  2. You cannot mix greenfield and brownfield switches at the same site.
  3. Brownfield switches can be adopted but not managed.
  4. You can mix brownfield switches and greenfield switches at the same site, but only if they are running the same version of Junos.

Answer(s): A

Explanation:

In the context of Mist management, "brownfield" switches refer to those that are already configured and deployed in a network, while "greenfield" switches are new and have no pre-existing configuration.
Mist supports the integration and management of both brownfield and greenfield switches within the same site. The crucial requirement is that all switches, regardless of their initial state, must be running a version of Junos that is supported by Mist. This compatibility ensures that Mist can apply policies, configurations, and monitoring uniformly across all devices, facilitating a seamless management experience.


Reference:

Juniper Networks documentation on Mist AI and Junos compatibility requirements.



Which two statements are true about packet captures on an AP? (Choose two.)

  1. Only wireless packets can be captured.
  2. Wireless and wired packets can be captured.
  3. The involved APs are taken out of service.
  4. The involved APs remain in service.

Answer(s): B,D

Explanation:

Mist APs have the capability to capture both wireless and wired packets. This feature allows for comprehensive network troubleshooting by providing visibility into both types of traffic.
When performing packet captures on Mist APs, the APs remain in service. This means they continue to operate and serve clients while the capture is ongoing, ensuring minimal disruption to network operations.
This functionality is critical for maintaining network availability and performance while conducting detailed packet analysis.


Reference:

Juniper Networks documentation on Mist AI AP packet capture features.



Which statement describes Marvis Actions?

  1. It is a dashboard that details actions taken by the Marvis Al.
  2. It is a dashboard that lists the actions taken by wireless users.
  3. It is a dashboard that describes user actions.
  4. It Is a dashboard that highlights actionable items.

Answer(s): D

Explanation:

Marvis Actions is a component of the Mist AI platform that provides a dashboard highlighting actionable items. This dashboard is designed to offer insights and recommendations based on the analysis performed by Marvis AI.
The focus of Marvis Actions is to present users with clear, actionable steps that can improve network performance, resolve issues, and enhance the overall user experience. By consolidating relevant information and suggested actions, Marvis Actions helps network administrators efficiently address network challenges and optimize operations.


Reference:

Juniper Networks documentation on Marvis Actions and its role within the Mist AI ecosystem.



...want to troubleshoot a wireless client that is no longer connected to a Mist AP.

Which area within the Mist GUI would you use?

  1. Clients ->App Clients
  2. Organization->Audit Logs
  3. Monitor -> Service Levels -> Insights
  4. Clients -> WIFI Clients

Answer(s): D

Explanation:

To troubleshoot a wireless client that is no longer connected to a Mist AP, you would navigate to the "Clients" section within the Mist GUI and select "WIFI Clients."

This area provides detailed information about all wireless clients that have connected to the Mist APs, including their connection history, performance metrics, and any issues encountered. By examining the data available in the WIFI Clients section, network administrators can identify the root cause of connectivity problems and take appropriate actions to resolve them.


Reference:

Juniper Networks documentation on Mist GUI and client troubleshooting procedures.



Which SLE reports RF interference?

  1. Capacity
  2. Coverage
  3. Roaming
  4. AP Health

Answer(s): B

Explanation:

In Mist's Service Level Expectations (SLE) framework, the Coverage SLE is responsible for reporting on RF interference.
The Coverage SLE monitors the strength and quality of the wireless signal, ensuring that clients are receiving adequate coverage throughout the network. It also identifies areas where RF interference might be degrading the signal quality.
By tracking RF interference, the Coverage SLE helps administrators diagnose and mitigate issues that could impact wireless performance and user experience.


Reference:

Juniper Networks documentation on Mist SLEs and their specific metrics.



Viewing Page 2 of 14



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