New Release JN0-253 JNCIA-MistAI Questions

To view an organization’s Audit Logs in the Juniper Mist UI, the required roles are Network Admin and Super User. According to Juniper Mist documentation: “Network Admin (with All Sites access) and Super User roles grant permission to view and interact with organization-level features, including Audit Logs and Inventory.” The Audit Logs page provides a chronological record of user logins and configuration changes, and access is restricted to authorized users for security and compliance reasons. The "Super User" role has full read/write access for the entire organization—no restrictions—allowing these users to view Audit Logs without limitation. The "Network Admin" role, when granted access to All Sites (not just specific sites), can also view Audit Logs as part of their permitted organization-level operations. Other roles, such as Helpdesk and Installer, have limited or specific access and cannot access Audit Logs. These permissions ensure that only trusted network administrators and super users have the necessary authority for sensitive audit and compliance functions.

Juniper Mist WAN Assuranceis a cloud-based service that extends Mist AI capabilities to the WAN edge, providing visibility, automation, and AI-driven analytics for WAN devices. It focuses on ensuringend-to-end service assurancefor users and applications across distributed networks.

According to theJuniper Mist WAN Assurance and SD-WAN Deployment Guide, the supported devices include:

“Juniper SRX Series Firewalls and Session Smart Routers (SSR) are integrated with Mist WAN Assurance for telemetry collection, service-level monitoring, and AI-driven troubleshooting.”

SRX Series Firewalls (A):Provide secure WAN connectivity and send real-time telemetry (including throughput, latency, and packet loss metrics) to Mist Cloud.

Session Smart Routers (C):Power the AI-driven SD-WAN solution with application-aware routing and session intelligence, fully integrated into Mist Cloud for advanced visibility and analytics.

EXandQFXswitches are used withWired Assurance, not WAN Assurance.

Therefore, the correct answers areA. SRX Series FirewallsandC. Session Smart Routers.

InJuniper Mist AI, the concept of aBad User Minute (BUM)is a core metric used withinService Level Expectations (SLEs)and theAI-driven analytics engineto quantify negative user experience.

According to theJuniper Mist AI Operations and SLE Analytics Guide, a “bad user minute” is defined as:

“A normalized measure that represents one minute of degraded user experience for one user.”

Mist AI calculates this by multiplying the number of affected users by the number of minutes they experience poor performance. This allows administrators to understand the impact of network issues not just in duration, but in terms of total user experience degradation.

For example, if ten users experience poor connectivity for one minute, the system records10 bad user minutes. This normalization helps Juniper Mistprioritize incidents based on impact, rather than duration alone, allowing administrators to focus on issues that affect the greatest number of users.

Therefore:

Bis correct — it’s a way to normalize a user’s negative experience.

Dis correct — it’s calculated asnumber of affected users × number of minutes affected.

InJuniper Mist AI,Service Level Expectations (SLEs)form the foundation ofWireless AssuranceandWired Assurance. They provide adata-driven, proactive methodto measure and maintain the quality of user experience, going beyond traditional device-centric monitoring.

According to theJuniper Mist AI Operations GuideandWireless Assurance Documentation, SLEs:

“Leverage machine learning and data science to deliver a proactive understanding of end-user experience and identify root causes of performance issues.”

Each SLE (such asTime to Connect,Roaming,Throughput,Coverage, andCapacity) is composed ofclassifiers, which break down performance metrics into measurable, root-cause categories. Examples includeDHCP,DNS,Authentication, andSignal Qualityclassifiers.

This classifier-based structure enables Mist AI to automatically correlate problems and highlight the most probable cause of degradation—eliminating the need for manual troubleshooting or reactive analysis.

OptionsBandDare incorrect because SLEs arenot ad hoc toolsfor manual troubleshooting and donot simply list connected clients. Instead, they provide intelligent, AI-driven insights into user experience across the network.

Therefore, the correct statements are:

A. SLEs use machine learning to provide a proactive approach to understanding the end-user experience.

C. The metrics analyzed to meet specific SLE goals are categorized into classifiers.