Easy To Download Juniper JN0-253 Exam Dumps Updated 104 Questions [Q49-Q68]

April 13, 2026 admin 0

Categories : JN0-253 , Juniper

5/5 - (1 vote)

Easy To Download Juniper JN0-253 Exam Dumps Updated 104 Questions

New Updated JN0-253 Exam Questions 2026

Juniper JN0-253 Exam Syllabus Topics:

Topic	Details
Topic 1	Juniper Mist Cloud Operations: This domain covers three API types (RESTful, WebSocket, Webhook) for programmatic integration, plus support resources including ticketing systems and documentation.
Topic 2	Juniper Mist Configuration Basics: This domain addresses initial setup including user accounts, device onboarding, organizational structures, subscription licensing, certificate management, and automated provisioning with labels and policies.
Topic 3	Juniper Mist Network Operations and Management: This domain examines operational features across Wi-Fi, Wired, WAN, Routing, and Access Assurance, delivering specialized management capabilities for different network infrastructure layers.
Topic 4	Location-based Services: This domain presents virtual Bluetooth Low Energy capabilities for asset tracking, visibility, and location-aware experiences that extend networking into physical space management.
Topic 5	Juniper Mist Cloud Fundamentals: This domain covers Juniper’s cloud-native platform architecture, focusing on AI and machine learning capabilities for intelligent network management and real-world deployment scenarios.

NO.49 Which Mist API is event driven?

Webhook

Python

RESTful

FTP

Event-Driven API: Webhooks are used as an event-driven API in Mist. They allow the system to send real-time notifications to external systems when specific events occur, enabling immediate actions or alerts.

NO.50 In the Latest Updates section of Marvis Actions, an issue might be classified as one of which three states? (Choose three.)

AI Validated

Active

Reoccurring Issue

Intermittent Issue

Resolved

NO.51 Which two use cases are popular in location-based services (LBS) deployments? (Choose two.)

SSID scheduling

asset tracking

micro segmentation

way finding

Asset Tracking: Asset tracking is a common use case in LBS deployments, enabling organizations to locate and manage assets in real-time. This is particularly useful in environments like hospitals, warehouses, and large corporate campuses where knowing the precise location of equipment can save time and improve efficiency.
Wayfinding: Wayfinding helps users navigate through complex environments, such as large buildings, airports, and shopping malls. By providing real-time navigation assistance, LBS enhances the user experience and improves accessibility within these spaces.

NO.52 How are Mist Alerts sent?

using a text message

using Slack

using e-mail

using Skype

NO.53 Marvis has notified you that you have a bad cable.
What additional information does the Marvis Actions dashboard provide to help you solve the issue?

If the port or cable is at fault.

The switch port to which the cable is connected.

Which of the eight Ethernet wires are broken.

The category rating of the cable.

TheMarvis Virtual Network Assistant (VNA)in Juniper Mist AI uses real-time telemetry and AI-driven correlation to identify hardware and connectivity issues, including bad cable conditions. When a”Bad Cable” alert is raised, Marvis analyzes physical link metrics from the switch and AP-such as CRC errors, FCS drops, and link flaps-to isolate the root cause.
According to the Juniper Mist AI Operations Guide, theMarvis Actions dashboardprovides contextual insights into the issue, showing whether the fault lies in thephysical cableitself or theswitch portit is connected to. Specifically, the dashboard highlights:
* The affected device and port.
* Whether the degradation originates from theport hardwareor thecabling.
* Suggested corrective action (e.g., replace the cable or check switch hardware).
Marvis uses its AI-driven root cause analysis engine to distinguish between cable integrity problems and port failures by examining electrical signature anomalies and historical telemetry.
Options B, C, and D are incorrect because Marvis does not display cable category ratings or identify individual broken Ethernet pairs-it focuses on identifying and isolating the fault domain.
Therefore, the correct answer isA. If the port or cable is at fault.
References:- Juniper Mist Marvis Virtual Network Assistant User Guide- Juniper Mist AI Operations and Troubleshooting Documentation- Juniper Mist Actions and Insights Dashboard Overview

NO.54 Setting the correct time zone for a Mist site provides which benefit?

enablement of remote access to the site during specific time slots

optimization of network performance based on time-of-day usage

facilitation of troubleshooting by aligning event timestamps with local time

synchronization of device clocks for accurate scheduling of events

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.

NO.55 Which two statements are correct about the switch configuration hierarchy in Juniper Mist? (Choose two.)

The switch configuration cannot be managed at the organization level.

The switch templates exist at the organization level.

The switch templates exist at the site level.

The switch-specific configuration cannot override switch templates.

TheJuniper Mist Wired Assuranceplatform uses ahierarchical configuration modelto manage switch settings efficiently across organizations and sites. This hierarchy provides flexibility by allowing administrators to applyglobal configurationsthrough templates at theorganization level, while also permitting site-specific customizations.
According to theJuniper Mist Wired Assurance Configuration and Template Management Guide, the configuration hierarchy functions as follows:
“Switch templates can be created at both the organization and site levels. Organization-level templates define global configurations, while site-level templates provide location-specific customization that overrides the organization-level settings where applicable.” This structure enables consistent policy deployment while preserving site autonomy for unique configurations. For example, global VLAN or QoS configurations can be managed at the organization level, and local templates can adjust settings for switch ports or device groups at specific sites.
Switch-specific overrides are allowed within the hierarchy, ensuring flexibility in cases where unique port or feature configurations are required.
Therefore:
* Bis correct because switch templates exist at theorganization levelfor global use.
* Cis correct because switch templates also exist at thesite levelfor localized adjustments.
References:- Juniper Mist Wired Assurance Configuration and Template Management Guide- Juniper Mist Cloud Hierarchical Configuration Documentation- Juniper Mist Wired Assurance and EX/QFX Management Overview

NO.56 You scheduled downtime to push the latest firmware to all the APs you deployed at the site. You verified that all of the APs are working fine. When you go back to work, you notice no complaints from the users. When you check the AP page, you notice that several APs have not rolled out with the latest firmware.
In this scenario, how does Marvis categorize this issue in the Marvis Action dashboard?

The non-compliant Marvis Action is displayed.

The high CPU Marvis Action is displayed.

The missing VLAN Marvis Action is displayed.

The port flap Marvis Action is displayed.

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.

NO.57 Mist cloud supports single sign-on in which two scenarios? (Choose two.)

account login used for NETCONF

Wi-Fi guest login access

account login used for the RESTful API

admin login to the Mist portal

NO.58 Which two statements are true about Juniper Mist Wireless Assurance Radio Resource Management (RRM)? (Choose two.)

RRM tuning happens automatically.

RRM builds the channel plan based on a real-time assessment of the network.

RRM tuning is a manual process that you must initiate every day.

RRM builds the channel plan based on the physical distance between the APs.

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.

NO.59 What happens to the captured data after a packet capture is stopped or completed?

It is saved as a downloadable capture file for offline inspection.

It remains permanently in the cloud for continuous analysis.

It triggers alerts based on detected issues within the captured traffic.

It is automatically discarded due to limited storage space.

Thepacket capture featureinJuniper Mist Cloudallows administrators to remotely capture live network traffic from managed devices such as Access Points (APs) or switches for detailed troubleshooting.
According to theJuniper Mist Network Troubleshooting and Diagnostics Guide:
“Once a packet capture session is stopped or completed, the captured data is saved as a downloadable .pcap file that can be analyzed offline using tools such as Wireshark.” This ensures administrators can inspect packet-level details for issues such as authentication failures, DHCP errors, or connectivity drops. The data is stored temporarily and made available through the Mist UI for download before automatic cleanup.
OptionsB,C, andDare incorrect because captured data is not stored permanently in the cloud, does not trigger automated alerts, and is not discarded immediately. The purpose is to make the data accessible foroffline inspection and analysis.
Therefore, the correct answer isA. It is saved as a downloadable capture file for offline inspection.
References:- Juniper Mist Network Troubleshooting and Diagnostics Guide- Juniper Mist Cloud Administration and Operations Documentation- Juniper Mist AI Operations and Support Tools Overview

NO.60 Where does Mist use AI reinforcement learning?

Mist uses reinforcement learning to troubleshoot voice call quality issues.

Mist uses reinforcement learning to troubleshoot video call connection issue.

Mist uses reinforcement learning in its Radio Resource Management (RRM) service.

Mist uses reinforcement learning in its dynamic packet capture service.

Mist AI uses reinforcement learning in its Radio Resource Management (RRM) service. This approach allows the system to dynamically optimize the performance of the wireless network by adjusting various radio parameters. The RRM service continuously learns and adapts based on network conditions, user behavior, and environmental factors to ensure optimal performance and reliability.

NO.61 Which machine learning method uses unlabeled data sets?

Supervised learning

Reinforcement learning

Unsupervised learning

Cognitive learning

InJuniper Mist AI, variousmachine learning (ML)techniques are applied across the platform to analyze network telemetry and improve performance insights. Among these,unsupervised learningplays a critical role in identifying patterns, trends, and anomalies in unlabeled datasets-data that has not been pre-classified or annotated.
According to theJuniper Mist AI and Machine Learning Overview:
“Unsupervised learning enables Mist AI to automatically detect abnormal patterns or clusters in large volumes of unlabeled network data, allowing the system to identify anomalies and optimize network behavior without human labeling.” This method allows Mist AI to autonomously recognize deviations in user experience, traffic behavior, or radio performance without prior definitions, helping to enhance predictive analytics and anomaly detection.
By contrast:
* Supervised learningrequires labeled training data.
* Reinforcement learninglearns through trial-and-error feedback loops.
* Cognitive learningis not a formal ML category-it refers to human-inspired reasoning.
Therefore, the correct answer isD. Unsupervised learning.
References:- Juniper Mist AI and Machine Learning Overview- Juniper Mist Cloud Architecture and AI Engine Guide- Juniper Mist Predictive Analytics and Correlation Engine (PACE) Documentation

NO.62 Your existing environment has Cisco wireless access points (APs) that use preshared keys to authenticate wireless users. You are asked to enable Juniper Mist Access Assurance for 802.1X (RADIUS) user authentication on these Cisco APs.
How would you accomplish this task?

Use only third-party access points with Juniper Mist Access Assurance.

Configure a new 802.1X SSID on the Cisco AP that references Juniper Mist Access Assurance as the RADIUS server. Add an authentication rule to permit user access in Access Assurance.

Configure a new 802.1X SSID on the Cisco AP that references your Juniper Mist Edge as the RADIUS server. Add an authentication rule to permit user access in Access Assurance.

Configure a new 802.1X SSID on the Cisco AP and configure a RADSEC tunnel from the AP to Juniper Mist Access Assurance. Add an authentication rule to permit user access in Access Assurance.

To enable Juniper Mist Access Assurance for 802.1X (RADIUS) authentication with Cisco APs, the correct approach is to configure a new 802.1X SSID on the Cisco AP referencing your Juniper Mist Edge as the RADIUS server (option C). According to Juniper Mist’s official documentation and architecture guides: “Mist Access Assurance supports end-client authentication on third-party infrastructure by leveraging the Mist Auth Proxy application running on a Mist Edge platform. Third-party devices, such as Cisco APs, are added as RADIUS clients at Mist Edge. The Mist Edge proxy handles all RADIUS authentication traffic from the APs, wraps these authentication requests into a secure RadSec tunnel, and relays them to the Mist Access Assurance cloud for validation against configured authentication rules.” This deployment does not require direct RADSEC tunneling from Cisco APs to Mist Access Assurance (since Cisco APs are not natively RADSEC capable) but uses Mist Edge as an intermediary RADIUS server and authentication proxy. “Add an authentication rule in Access Assurance to permit user access,” enabling centralized management and policy enforcement in the Mist Cloud.
Reference:Juniper Mist Access Assurance Guide; Authentication Proxy: Third-Party Device Support; Access Assurance Getting Started Guide

NO.63 Which statement correctly describes Juniper Mist organization IDs?

They are created manually.

They can be edited.

They are in CSV format.

They are read-only.

In theJuniper Mist Cloud platform, each organization is automatically assigned a uniqueOrganization ID upon creation. This ID serves as apermanent, system-generated identifierused for API authentication, integration, and cross-service communication.
According to theJuniper Mist Cloud Administration and API Integration Guide:
“Organization IDs are automatically generated by the Mist Cloud at the time of organization creation and are read-only system values that cannot be edited or modified by administrators.” This ensures that every organization is uniquely identifiable across Mist’s distributed cloud infrastructure. The Organization ID remains consistent even if the organization name or configuration changes.
Therefore, the correct answer isD. They are read-only.
References:- Juniper Mist Cloud Administration and API Integration Guide- Juniper Mist Organization and Account Management Documentation- Juniper Mist Cloud Fundamentals Study Guide

NO.64 Which statement is correct about the Super User account role?

The Super User role has limited read/write capabilities.

The Super User role is restricted to the specific sites that are defined when creating the user account.

You must use the Super User role to claim an organization’s new AP.

You must use the Super User role to add administrators to an organization.

In theJuniper Mist Cloud platform, user roles define the scope of permissions that determine what administrative functions an individual can perform within an organization. TheSuper Userrole represents the highest level of administrative authoritywithin a Juniper Mist organization and carries full control over both organization-wide and site-specific configurations.
According to theJuniper Mist Cloud Administration and User Management documentation, the Super User role is described as:
“The Super User role provides full read and write access across the entire organization. Only Super Users can manage organization-level settings, add or remove other administrators, and assign privileges to users.” This means that only a Super User canadd new administrators, managesubscription entitlements, configure organization-level policies, and performfull lifecycle device management. Unlike site administrators, Super Users are not restricted to specific locations-they have unrestricted visibility and control across all sites within the organization.
Therefore, the correct answer isD, since the Super User role is explicitly required toadd administratorsto an organization and perform top-level management operations.
References:- Juniper Mist Cloud Administration and User Management Guide- Juniper Mist Organization and Role-Based Access Control Documentation- Juniper Mist Cloud Fundamentals and User Roles Study Guide

NO.65 Which statement accurately describes the capabilities of the Juniper Mist AI platform?

Juniper Mist AI relies solely on manual data collection for network health solutions and root cause analysis, without using AI algorithms.

Juniper Mist AI uses Predictive Analytics and Correlation Engine (PACE) to collect and analyze pre- connection and post-connection user and location states in near real-time.

The Mist Cloud is not involved in the aggregation and storage of data required by the AI/ML solution, limiting its effectiveness.

Marvis requires substantial user interaction for troubleshooting and does not provide proactive solutions.

TheJuniper Mist AI platformis acloud-native, AI-driven network management solutionthat leverages machine learning and data science to provide predictive insights, proactive troubleshooting, and automated optimization acrosswireless, wired, and WANenvironments.
At the core of this intelligence is thePredictive Analytics and Correlation Engine (PACE), which powers Mist AI’s ability to process and analyze massive volumes of telemetry data in near real time.
According to theJuniper Mist AI Cloud Architecture Guide,
“The Predictive Analytics and Correlation Engine (PACE) collects, correlates, and analyzes pre-connection and post-connection user experience data, enabling real-time visibility and proactive detection of network anomalies.” This allows Mist AI to perform the following:
* Understand client onboarding and connectivity performance through SLE (Service Level Expectation) metrics.
* Detect anomalies automatically and identify root causes with Marvis.
* Continuously learn and improve via theMist AI efficacy loop.
OptionsA,C, andDare incorrect because:
* Mist AI is fully automated and does not rely on manual data collection.
* The Mist Cloud is the central data aggregation and analysis engine.
* Marvisis proactive and autonomous, not dependent on user-driven troubleshooting.
Therefore, the correct answer isB. Juniper Mist AI uses Predictive Analytics and Correlation Engine (PACE) to collect and analyze pre-connection and post-connection user and location states in near real- time.
References:- Juniper Mist AI Cloud Architecture and Operations Guide- Juniper Mist Predictive Analytics and Correlation Engine (PACE) Documentation- Juniper Mist AI Platform Overview and Study Guide

NO.66 Which two features does a Marvis VNA subscription add to the support ticket creation experience? (Choose two.)

escalation

configuration assistance

in-context AI-assisted troubleshooting

AI-generated response

With a Marvis VNA subscription, support ticket creation in Juniper Mist is enhanced by in-context AI- assisted troubleshooting and AI-generated responses. According to official Mist documentation, “Marvis subscribers will see AI-generated responses that summarize information from Juniper Mist documentation as they start entering their support query-often surfacing relevant answers right within the support workflow.
For many issues, AI-assisted troubleshooting buttons appear on the support form itself, launching guided, context-aware diagnostic flows with Marvis to resolve problems before a ticket is formally created.” These features use natural language processing and contextual data to provide intuitive, AI-driven self-help and troubleshooting, improving the support workflow and often eliminating the need to escalate to human agents or require configuration assistance. Escalation is handled by support, not Marvis VNA; and configuration assistance is a general feature, not specifically added by the Marvis VNA subscription.
Reference:Juniper Mist Create a Support Ticket Guide, Marvis VNA Overview

NO.67 Click the Exhibit button. The exhibit displays the connection flow for an API interaction sequence.
Which API type is displayed?

SOAP

WebSocket

Webhook

RESTful

The diagram displays the concept of a webhook interaction.
The client sends an initial request to the server (Step 1: Request/Response).
After that, the server asynchronously sends events or updates to the client (Steps 2 and 3: Event notifications), without requiring the client to poll for updates continuously.
This asynchronous “push” behavior is characteristic of webhooks, where the server pushes updates to the client.

NO.68 Exhibit:

Referring to the exhibit, which sub-classifier contributed the most to capacity issues?

WiFi Interference

Capacity

Network Issues

Excessive Client Load

In theJuniper Mist Wireless Assurance dashboard, eachService Level Expectation (SLE)is broken down intosub-classifiersto identify the specific causes of degraded user experience. For theCapacity SLE, Mist AI analyzes performance indicators related to access point utilization, airtime availability, client density, and radio congestion.
According to theJuniper Mist Wireless Assurance Analytics Guide, sub-classifiers within the Capacity SLE may include:
* WiFi Interference- measures co-channel and adjacent-channel interference.
* Capacity- monitors total bandwidth and airtime utilization.
* Network Issues- highlights backend transport or switching congestion.
* Excessive Client Load- indicates when too many clients are associated with a single access point or radio, leading to reduced throughput and contention.
In the exhibit, theExcessive Client Loadbar clearly shows the highest contribution to the Capacity SLE degradation. This means that the majority of capacity issues were caused byan overloaded access point or radio channelhandling more clients than optimal.
Therefore, the correct answer isD. Excessive Client Load.
References:- Juniper Mist Wireless Assurance SLE and Classifier Documentation- Juniper Mist AI Operations and Analytics Guide- Juniper Mist Cloud Dashboard Metrics Overview

Loading …