Juniper JN0-253 Exam Dumps

Get All Mist AI, Associate Exam Questions with Validated Answers

JN0-253 Pack
Vendor: Juniper
Exam Code: JN0-253
Exam Name: Mist AI, Associate
Exam Questions: 102
Last Updated: August 20, 2026
Related Certifications: Juniper Mist AI Certification
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Free Juniper JN0-253 Exam Actual Questions

Question No. 1

Which two wired elements would be configured using an organization-level template? (Choose two.)

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Correct Answer: A, D

Two wired elements configured using an organization-level template in Juniper Mist are VLAN and DNS settings. Organization-level templates are designed to standardize and propagate common settings across all switches within an organization. As per official guides: 'These templates can include VLANs and well-known services such as DNS (Domain Name System) that can be used across all devices within a site.' VLAN and DNS settings are defined once at the organization (or switch group) template and automatically inherited by all devices, ensuring consistency. Host name and role are set at an individual switch level, not globally via templates.


Campus Fabric Configuration Example , Mist Wired Assurance Configuration Guide , Organization Template Reference

Question No. 2

Which two statements are correct about Juniper Mist subscriptions? (Choose two.)

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Correct Answer: A, D

In the Juniper Mist Cloud licensing model, subscriptions represent service entitlements that enable specific features such as Wireless Assurance, Wired Assurance, WAN Assurance, Marvis Virtual Network Assistant, and Premium Analytics. These subscriptions are managed at the organization level and are not permanently tied to individual hardware units.

According to the Juniper Mist Licensing and Subscription Management Guide, subscriptions are:

''Cloud-based entitlements associated with an organization, not bound to specific device serial numbers. Devices draw from the subscription pool dynamically.''

This design allows flexibility and simplifies device replacement or scaling:

When a new device (for example, an access point or switch) is added to the organization, the subscription is automatically assigned to it from the available pool.

If a device is removed or fails, the subscription is automatically released and reassigned to a replacement unit---no manual transfer is required.

Therefore:

A is correct because subscriptions are not linked to a single device's serial number.

D is correct because subscriptions automatically reapply when replacement devices are onboarded.

Options B and C are incorrect because Juniper Mist subscriptions are organization-based, not hardware-bound, and require no manual reassignment after device failure or replacement.


-- Juniper Mist Cloud Licensing and Subscription Management Guide

-- Juniper Mist Organization and Device Lifecycle Documentation

-- Juniper Mist Cloud Operations and Entitlement Management Overview

Question No. 3

Exhibit:

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Correct Answer: D

In Juniper Mist Wireless Assurance, Service Level Expectations (SLEs) are key metrics that measure different aspects of the end-user experience. Each SLE focuses on a distinct area of network performance such as Connection, Roaming, Throughput, and Coverage.

The Coverage SLE specifically measures whether wireless clients are receiving adequate signal strength (RSSI) and signal quality (SNR) from access points. According to the Juniper Mist AI Operations and SLE Analytics Guide, this metric is defined as:

''The Coverage SLE quantifies the percentage of client sessions that meet the required signal strength and quality thresholds. Low coverage indicates areas with weak or inconsistent RF signal levels.''

When users experience weak signal or dead zones, the Coverage SLE provides insight into where and why these issues occur. Mist AI identifies sub-classifiers such as Signal Quality, Wi-Fi Interference, or Airtime Utilization, allowing administrators to isolate the cause of poor signal conditions.

Therefore, in the exhibit shown, an administrator would investigate the Coverage SLE (79%), as it directly relates to signal weakness or RF coverage problems.


-- Juniper Mist Wireless Assurance and SLE Documentation

-- Juniper Mist AI Operations and Analytics Guide

-- Juniper Mist Cloud Dashboard and RF Monitoring Overview

Question No. 4

You are asked to create a dedicated guest WLAN which will only be available on the lobby access point (AP) at your office site.

How would you accomplish this task in Juniper Mist?

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Correct Answer: D

Comprehensive and Detailed Explanation verified by Juniper Mist documentation:

To ensure a guest WLAN is available only on a specific lobby AP, the correct approach according to Juniper Mist best practices is to create a new 'Guest' WLAN template and add it to the lobby AP using a device profile. This method leverages device profiles for targeted SSID airtime availability, allowing granular WLAN assignment to selected APs (not all APs or sites). Juniper's documentation and solution briefs confirm that device profiles control which SSIDs broadcast on specific access points within a site, supporting scenarios like dedicated guest access only in particular areas such as the lobby.

Creating WLANs in standard templates enables SSID broadcast across all assigned APs, not selectively per device. Organization labels do not restrict SSID broadcast for individual APs.

Verification:

Your selected answer in the image ('Create a new 'Guest' WLAN template and add it to the lobby AP using a device profile') is correct and aligns with Juniper's recommended workflow.

**


Juniper Mist WLAN Template and Device Profile Documentation

Mist Management Guide

Juniper Mist Implementation Best Practices

Question No. 5

Which two protocols does Marvis Minis automatically validate? (Choose two.)

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Correct Answer: B, D

Marvis Minis is a feature within Marvis Virtual Network Assistant (VNA) that proactively tests and validates network performance by simulating user connections. Instead of waiting for user complaints, it performs synthetic client transactions to confirm the functionality of critical network services.

According to the Juniper Mist Marvis Minis Technical Overview and Marvis AI Operations Guide, Minis validates several network functions automatically, including:

Dynamic Host Configuration Protocol (DHCP): Ensures clients can obtain IP addresses properly from DHCP servers, validating end-to-end DHCP exchange success and response time.

Address Resolution Protocol (ARP): Verifies correct IP-to-MAC address resolution, confirming that clients can reach devices on the same subnet and that ARP tables are updated correctly.

Marvis Minis also performs checks on DNS resolution, authentication, and application reachability, but not on SNMP or NTP. Those protocols are used for management and time synchronization, not end-user connectivity validation.

Thus, the correct answers are B (DHCP) and D (ARP).


-- Juniper Mist Marvis Minis Deployment and Operations Guide

-- Juniper Mist AI Assurance and Troubleshooting Documentation

-- Juniper Mist Cloud Synthetic Testing Overview

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