Pass the Juniper JNCIA-MistAI JN0-252 Questions and answers with CertsForce

Service Level Expectations (SLEs): In Mist's SLE dashboard, SLEs are shown as a percentage of success. This indicates how well the network is meeting the predefined performance metrics, such as throughput, capacity, and coverage​(CertsHero)​.

Classifiers: Classifiers, which help in diagnosing issues by breaking down SLEs into specific causes, are also displayed as a percentage of success. This unified view aids in quickly identifying areas that need improvement and ensures consistent monitoring​(CertsHero)​.

References:

Juniper Networks Documentation

The maximum number of Mist Edge devices supported for high availability is two. This ensures that there is a backup device in place to take over in case the primary device fails, providing redundancy and maintaining network stability.

References:

Mist Edge Configuration Guide

Juniper Networks Mist Edge FAQs

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.

In the Mist architecture, an organization is a higher-level entity that can contain multiple sites.

A. A site is contained within an organization:Each site operates under the umbrella of an organization, allowing centralized management and policy enforcement.

B. Multiple sites may be contained within a single organization:This structure enables organizations to manage and monitor different geographical locations or different business units within a single centralized framework.

This hierarchical structure facilitates scalable and organized network management.

Reference: Juniper Networks documentation on organizational structure and site management in Mist.

Identify the Problem: Alerts are being generated and visible in the Mist GUI, but only some administrators receive the alert emails.

Possible Issues:

User email addresses not correctly formatted.

Email server blocking Mist emails.

Insufficient alert subscriptions.

Administrators not enabling email notifications.

Root Cause:

Since some administrators receive the alerts, email formatting and server blocking issues can be ruled out.

If alert subscriptions were insufficient, no administrators would receive the alerts.

The most likely cause is that the affected administrators have not enabled email notifications in their Mist My Account settings.

Resolution:

Ensure that all administrators have enabled email notifications in their Mist My Account settings.

References:

Mist Documentation on Notifications: Mist Documentation

Mist Administrative Logins: Mist administrative logins can utilize Single Sign-On (SSO), allowing administrators to log in using their corporate credentials, enhancing security and ease of access.

Guest User Access: Guest user access cannot use SSO, as SSO is intended for internal users and administrators rather than external guest users who access the network.

References:

Mist SSO Configuration Guide

SSO Integration Overview

Juniper Mist Wired Assurance provides several benefits aimed at simplifying network management and enhancing performance.

B. Ability to deploy campus fabric architectures in minutes based on intent:Wired Assurance leverages automation and intent-based networking to quickly deploy and managecomplex campus fabric architectures. This feature significantly reduces the time and effort required to set up and maintain such networks.

C. Support for ZTP (Zero Touch Provisioning):Wired Assurance includes ZTP capabilities, which allow for the automatic provisioning and configuration of switches as soon as they are connected to the network. This reduces the need for manual intervention and speeds up the deployment process.

These features are part of a broader suite of tools that Wired Assurance provides to streamline network operations, improve reliability, and enhance visibility into network performance.

Reference: Juniper Networks documentation on Wired Assurance features and capabilities.

Time Zone Importance: Setting the correct time zone for a Mist site ensures that all events and logs are timestamped accurately according to the local time of the site. This is crucial for effective monitoring and troubleshooting.

Facilitation of Troubleshooting: By aligning event timestamps with the local time, network administrators can correlate events more easily with specific incidents reported by users, thereby simplifying the troubleshooting process.

References:

Juniper Networks Documentation

Real-time Assessment: Juniper Mist's Radio Resource Management (RRM) builds the channel plan based on real-time network assessments. It dynamically adjusts to changing conditions in the RF environment, ensuring optimal performance by continuously monitoring factors such as interference, client distribution, and usage patterns.

Automatic Tuning: RRM tuning happens automatically. Mist AI leverages reinforcement learning to continually optimize RF settings without manual intervention, adjusting channels, power levels, and other parameters in real-time to maintain optimal network performance.

References:

Understanding Radio Resource Management | Juniper Networks

Radio Management | Mist | Juniper Networks

When several APs fail to update to the latest firmware during a scheduled downtime, Marvis categorizes this issue as a "non-compliant" action.

This categorization indicates that some APs are not adhering to the intended firmware version policy, which could potentially affect network performance or security.

The non-compliant Marvis Action provides administrators with the necessary information to identify and rectify the issue, ensuring all APs are updated as required.

Reference: Juniper Networks documentation on Marvis Actions and firmware compliance.