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Free Juniper JN0-253 Exam Questions (page: 6)

Page 4 of 22
PDF with 102 Questions

What is required for Marvis Minis to operate?

  1. WAN Assurance subscription
  2. Premium Analytics subscription
  3. Minimum AP firmware
  4. WLAN template

Answer(s): C

Explanation:

Marvis Minis is an advanced feature within the Juniper Mist AI ecosystem designed to perform autonomous, synthetic network testing. It uses Mist Access Points (APs) to simulate client behavior-- such as association, authentication, DHCP, DNS, and application reachability--to proactively detect service issues before real users are affected.

According to the Juniper Mist Marvis Minis Deployment Guide and Marvis AI documentation, the key requirement for enabling Marvis Minis is that all participating access points must be running a minimum supported firmware version that includes the Minis agent functionality.

The documentation specifies:

"Marvis Minis requires APs running the minimum firmware version that supports synthetic testing. APs on earlier versions will not be capable of running Minis tests or reporting results to the Mist Cloud."

Additional subscriptions such as WAN Assurance, Premium Analytics, or WLAN templates are not prerequisites for operation.
While Marvis licensing must be active, the feature itself relies primarily on compatible firmware within the Mist-managed APs.

Therefore, the correct answer is C. Minimum AP firmware -- ensuring the APs are on a supported firmware release is essential for Marvis Minis functionality.


Reference:

­ Juniper Mist Marvis Minis Deployment and Configuration Guide

­ Juniper Mist AI Operations and Troubleshooting Documentation

­ Juniper Mist Wireless Assurance and Firmware Management Guide



Which two statements are correct about the Juniper Mist vBLE Asset Visibility mode? (Choose two.)

  1. The vBLE antenna is in the receive mode.
  2. The vBLE antenna tracks chirps from BLE tags.
  3. The vBLE antenna communicates with mobile devices running the Juniper Mist location SDK.
  4. The vBLE antenna is in the transmit mode.

Answer(s): A,B

Explanation:

Juniper Mist's virtual Bluetooth Low Energy (vBLE) technology is designed to deliver precise indoor location services using cloud-managed access points equipped with integrated BLE antenna arrays. The system supports multiple operational modes, including Engagement Mode (for mobile app interactions) and Asset Visibility Mode (for BLE tag tracking).

According to the Juniper Mist Location Services Documentation, in Asset Visibility Mode, the vBLE antenna functions primarily in receive mode to detect and process signals emitted from BLE asset tags. These tags periodically transmit Bluetooth "chirps" that are received by multiple APs. Mist Cloud then uses angle-of-arrival (AoA) and RSSI triangulation algorithms to determine the exact location of the asset within the facility.

The documentation specifies:

"In Asset Visibility Mode, the vBLE antenna operates in receive mode and listens for BLE tag beacons (chirps). The system triangulates these signals to calculate the real-time location of tracked assets."

Conversely, Engagement Mode is the configuration in which vBLE operates in transmit mode to interact with mobile devices running the Mist SDK -- which corresponds to location-based engagement or proximity notifications.

Thus, the correct answers are:

A . The vBLE antenna is in the receive mode

B . The vBLE antenna tracks chirps from BLE tags


Reference:

­ Juniper Mist Location-Based Services Configuration Guide

­ Juniper Mist vBLE Architecture and Operation Modes Documentation

­ Juniper Mist Cloud Location Services Technical Overview



Which statement about Marvis Minis is correct?

  1. Marvis Minis is Juniper's onsite technical support team that troubleshoots enterprise access points.
  2. Marvis is an LLM that designs network infrastructure.
  3. Marvis provides Marvis Actions to simulate user connections.
  4. Marvis Minis works with Juniper Mist AI to validate network configuration to optimize user experiences.

Answer(s): D

Explanation:

Marvis Minis is a component of the Marvis Virtual Network Assistant (VNA) within the Juniper Mist AI ecosystem. It is designed to proactively ensure optimal network performance and user experience by running synthetic network tests using Mist-managed access points.

According to the Juniper Mist Marvis Minis Technical Overview, this feature allows APs to act as virtual clients that automatically simulate user connection flows, including authentication, DHCP, DNS, and application reachability. These tests validate that the network configuration and services are functioning as expected, even before real users experience issues.

The documentation states:

"Marvis Minis operates in conjunction with Mist AI to continuously validate network configurations and optimize user experience by identifying potential problems proactively."

"Using Mist APs, Marvis Minis performs synthetic transactions to verify the performance of wireless, wired, and WAN segments without requiring external devices."

Hence, Marvis Minis is not a support team (A), not a design AI model (B), and Marvis Actions (C) is a different feature for identifying and resolving live issues. The accurate description is that Marvis Minis collaborates with Mist AI to validate configurations and optimize user experiences.


Reference:

­ Juniper Mist Marvis Minis Overview and Deployment Guide

­ Juniper Mist AI Operations and Monitoring Guide

­ Juniper Mist Marvis Virtual Network Assistant Documentation



Which two statements describe SLEs? (Choose two.)

  1. SLEs use machine learning to provide a proactive approach to understanding the end-user experience.
  2. SLEs use data science to troubleshoot network issues on an ad hoc basis.
  3. The metrics analyzed to meet specific SLE goals are categorized into classifiers.
  4. SLEs display a detailed list of Wi-Fi clients who have connected to the network.

Answer(s): A,C

Explanation:

In Juniper Mist AI, Service Level Expectations (SLEs) form the foundation of Wireless Assurance and Wired Assurance. They provide a data-driven, proactive method to measure and maintain the quality of user experience, going beyond traditional device-centric monitoring.

According to the Juniper Mist AI Operations Guide and Wireless 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 as Time to Connect, Roaming, Throughput, Coverage, and Capacity) is composed of classifiers, which break down performance metrics into measurable, root-cause categories. Examples include DHCP, DNS, Authentication, and Signal Quality classifiers.

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.

Options B and D are incorrect because SLEs are not ad hoc tools for manual troubleshooting and do not 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.


Reference:

­ Juniper Mist Wireless Assurance and SLE Overview

­ Juniper Mist AI Operations and Analytics Guide

­ Juniper Mist Cloud Monitoring and SLE Classifier Documentation



What are two ways to claim an Access Point with Juniper Mist? (Choose two.)

  1. Activation code
  2. Claim code
  3. MAC address
  4. Serial number

Answer(s): A,B

Explanation:

From Juniper's official guide:

"You'll need either a claim code or an activation code to claim an AP. With either, you can claim an AP by using one of the following methods:

Mist AI Mobile App

A Web browser

You can claim either a single AP using a claim code or multiple APs using an activation code. You can use any of these methods to claim an AP:

To claim a single AP, use the claim/QR code located on the rear of the AP.

To claim multiple APs, you'll need to use an activation code.
When you purchase multiple APs, we provide you with an activation code along with your PO information."

From the Mist documentation:

"APs can be claimed to any organization by using either the activation code, claim code or QR code.

Activation Code: Whenever you order APs, our Sales Operations team will send you an activation code which can be used for claiming the APs and subscriptions as per the order. ...

AP Claim Code: You can individually claim APs to your organization by navigating to Organization > Inventory > Claim APs and entering in the claim code found on the back of each AP.

AP QR Code: Using our Mist AI mobile app you can scan the QR code printed on the back of our APs to claim APs to your organization."

Summary:

The Juniper Mist platform allows you to claim an Access Point using:

Activation code (provided for bulk purchases, via PO)

Claim code (unique per AP, on the rear label)

QR code (scanned with the Mist AI mobile app, also encoded as the claim code)

These extracts are direct from Juniper's own documentation and confirm the methods for AP onboarding in the Mist platform.



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