2026 100% Free JN0-253 Daily Practice Exam With 104 Questions
JN0-253 exam torrent Juniper study guide
NEW QUESTION # 56
You have five clients on the network and 20 minutes of statistics for each client.
In this scenario, how many user minutes does this equal?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
Explanation:
Identify the Scenario: Five clients on the network and 20 minutes of statistics for each client.
Calculation:
User Minutes = 100.
Conclusion:
The total user minutes in this scenario is 100.
NEW QUESTION # 57
As an organization administrator, what are two ways to configure additional layers of security for administrator logins? (Choose two.)
- A. Enable a password policy.
- B. Increase session timeouts.
- C. Disable a password policy.
- D. Enable two-factor authentication.
Answer: A,D
Explanation:
Enable Two-Factor Authentication (2FA): Adding 2FA to administrator logins significantly enhances security by requiring a second form of verification in addition to the password, making unauthorized access more difficult.
Enable a Password Policy: Implementing a strong password policy ensures that passwords meet certain complexity and length requirements, reducing the risk of brute force attacks.
NEW QUESTION # 58
You are asked to create a real time visualization dashboard which displays clients on a map.
Which two Juniper Mist functions would you use in this scenario? (Choose two.)
- A. RESTful API
- B. webhooks
- C. WebSocket
- D. Live View
Answer: C,D
Explanation:
To create a real-time visualization dashboard that displays clients on a map, use Live View and WebSocket APIs. The "Live View" feature in Juniper Mist provides a graphical, interactive map view of clients (devices) and assets as they move through a site, with location data updated in real time. The Juniper Mist WebSocket API enables developers and integrators to subscribe to client location topics and stream position data directly to custom dashboards. According to the documentation: "WebSockets open a bidirectional communication session for sending and receiving real-time event-driven responses... Useful in circumstances where you want to avoid browser refreshes and display real-time location data." Combining these allows you to build a dashboard showing live client positioning, as seen in sample dashboards and integration guides for Mist.
Reference:WebSocket API Overview | Mist Juniper Mist Automation and Integration Guid
NEW QUESTION # 59
Which two statements are correct about the switch configuration hierarchy in Juniper Mist? (Choose two.)
- A. The switch configuration cannot be managed at the organization level.
- B. The switch templates exist at the site level.
- C. The switch-specific configuration cannot override switch templates.
- D. The switch templates exist at the organization level.
Answer: B,D
Explanation:
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
NEW QUESTION # 60
Which statement is correct when a subscription expires?
- A. The devices remain operational, but you are not allowed to manage the devices using the Mist management GUI.
- B. The devices remain operational, but the Mist management GUI functionality related to expired subscriptions is hidden from the user.
- C. The devices remain operational, and all functionality remains available for a one-year grace period.
- D. The devices become inactive and unreachable through the Mist management GUI.
Answer: A
Explanation:
When a Mist subscription expires, the devices associated with that subscription continue to operate normally, ensuring there is no immediate disruption to network operations. However, management capabilities through the Mist management GUI are restricted. This means that while the devices remain functional, you cannot make configuration changes, monitor, or manage them using the Mist management interface until the subscription is renewed. This restriction emphasizes the importance of maintaining active subscriptions for full access to Mist's management features.
NEW QUESTION # 61
What is the purpose of assigning roles to switches?
- A. To manage user accounts
- B. To assign configurations at scale
- C. To configure WLANs
- D. To monitor network traffic
Answer: B
Explanation:
InJuniper Mist Wired Assurance, assigningrolesto switches is a key configuration mechanism for deploying consistent network policies across multiple devices. Switch roles act as logical identifiers that bind devices to specificconfiguration templatesorpolicy profiles, ensuring standardized setup and reducing manual configuration overhead.
According to theJuniper Mist Wired Assurance Configuration and Template Management Guide:
"Switch roles are used to group devices based on function or location and automatically apply predefined configuration templates and policies at scale." This enables administrators to:
* Automatically assign VLANs, port profiles, and policies to multiple switches simultaneously.
* Simplify deployment for large organizations with multiple sites.
* Ensure uniform compliance with enterprise configuration standards.
Roles arenot usedto configure WLANs (wireless function), manage users, or directly monitor traffic - those tasks are handled through other Mist AI services.
Therefore, the correct answer isC. To assign configurations at scale.
References:- Juniper Mist Wired Assurance Configuration and Template Management Guide- Juniper Mist Cloud Administration Guide- Juniper Mist Wired Assurance Operations Documentation
NEW QUESTION # 62
Which two statements are correct about the Juniper Mist Wired Assurance brownfield adoption workflow? (Choose two.)
- A. The administrator must have the Juniper switch claim code available.
- B. DNS resolution must be working on the Juniper switch.
- C. The Juniper Mist QR code on the switch must be scanned by the technician.
- D. The same exact switch adoption CLI commands can be pasted into multiple different Juniper switches.
Answer: B,D
NEW QUESTION # 63
How does Mist determine the location of clients in an indoor setting?
- A. triangulation
- B. trilateration
- C. probability surface
- D. GPS
Answer: C
Explanation:
Mist builds location from "Probability Surfaces" not triangulation. The more directional RSSI beam information your client hears, the more data for the location engine to work with creating the probability surfaces, which provides the best possible location accuracy with sub second latency.
NEW QUESTION # 64
Exhibit:
Referring to the exhibit, which two statements are correct about this client event? (Choose two.)
- A. A traceroute file is included.
- B. A dynamic packet capture file is included.
- C. It is a wireless client.
- D. It is a wired client.
Answer: B,C
Explanation:
In theJuniper Mist Cloud, theClient Eventssection within theMonitoringinterface displays detailed event logs for both wired and wireless clients, providing insights into connectivity, authentication, and performance- related activities. Each event entry may include associated diagnostic files such asdynamic packet captures (DPCs),traceroute data, andsyslogsdepending on the event type and device context.
According to theJuniper Mist AI Operations and Client Event Diagnostics Guide, the platform states:
"Wireless client events provide correlation between client connection attempts and associated diagnostic artifacts such as dynamic packet captures. These files are generated automatically during troubleshooting events and are attached to the event log for administrator review." From the exhibit, theclient is shown as a wireless device, indicated by theWi-Fi iconand theSSID association informationvisible in the event details. Additionally, the entry confirms that adynamic packet capture (DPC)file was automatically generated for the event, allowing engineers to download and inspect packet-level activity for root-cause analysis.
Therefore:
* B (It is a wireless client)is correct - the event pertains to a Wi-Fi-connected device.
* C (A dynamic packet capture file is included)is correct - the log includes a downloadable DPC file.
References:- Juniper Mist AI Operations and Client Event Diagnostics Guide- Juniper Mist Wireless Assurance Troubleshooting Documentation- Juniper Mist Cloud Monitoring and Analytics Overview
NEW QUESTION # 65
In the Mist UI, which part of the system platform provides information about missing VLANs?
- A. Marvis Actions
- B. Events
- C. Service-Level Exceptions
- D. Switch Insights
Answer: A
Explanation:
System Platform Components in Mist UI:
Different components provide various insights and information about the network.
Component Descriptions:
Switch Insights: Provides detailed information about switch performance and status. Events: Logs and displays events occurring in the network but does not specifically highlight missing VLANs.
Marvis Actions: AI-driven insights and recommendations that include identifying and suggesting actions for missing VLANs.
Service-Level Exceptions (SLEs): Monitor and report on performance metrics, not specifically focused on VLAN issues.
NEW QUESTION # 66
Which two statements are correct about Juniper Mist Wired Assurance ZTP? (Choose two.)
- A. The switch must be running a supported Junos version for Juniper Mist Wired Assurance.
- B. All legacy Juniper switch models are supported.
- C. The cloud-ready Juniper switch must either boot from the factory-default state or you can issue the request system zeroize Junos command to reset the configuration.
- D. The technician must have console access to the switch during the initial setup.
Answer: A,C
Explanation:
Supported Junos Version: For Juniper Mist Wired Assurance to function correctly, the switch must be running a supported Junos version. This ensures compatibility with Mist's cloud management and AI capabilities.
Factory-Default State or Zeroize Command: The switch must boot from a factory-default state, or you can use the request system zeroize command to reset its configuration. This is essential for seamless onboarding and auto-provisioning.
NEW QUESTION # 67
Which unit of measurement is used for capacity, coverage, and throughput SLEs?
- A. throughput in Mbps
- B. percentage of user minutes
- C. percentage of channel utilization
- D. signal strength in dBm
Answer: A
Explanation:
For capacity, coverage, and throughput Service Level Expectations (SLEs) in Mist AI, throughput is measured in Mbps. This unit measures the rate at which data is successfully delivered over the wireless network, providing a clear indication of network performance and user experience. Mist AI tracks these metrics to ensure the network meets the required performance standards.
NEW QUESTION # 68
What is the purpose of Audit Logs in Juniper Mist?
- A. to record SLE violations
- B. to record key performance events
- C. to record administrative activities
- D. to record security alerts
Answer: C
Explanation:
The purpose of Audit Logs in Juniper Mist is to record administrative activities within the Mist dashboard.
According to the official Juniper Mist documentation: "Audit Logs provide a detailed chronological record of each configuration change, administrative action, and user activity within the Mist Cloud portal. These logs include information such as the action performed (e.g., adding or removing sites, devices, or users), the timestamp, and the user who performed the action. Audit Logs are critical for accountability, compliance, and troubleshooting, enabling administrators to trace changes and ensure that only authorized users are making modifications to their network settings. Mist stores audit log records securely and makes them accessible for review by organization administrators from the dashboard's Organization > Audit Logs section." This directly aligns with option C, as the logs primarily track configuration changes and administrative actions-not performance events, security alerts, or SLE violations. Such activities include site creation, modification, device assignment, role changes, and other user or configuration updates.
Reference: Juniper Mist Documentation - Audit Logs and Organization Management, Mist AI Study Guide.
NEW QUESTION # 69
How are Mist Alerts sent?
- A. using a text message
- B. using Slack
- C. using Skype
- D. using e-mail
Answer: D
NEW QUESTION # 70
What does the "Exceeded" status mean for a subscription?
- A. The subscription is nearing its expiration date.
- B. The subscription exceeds the number of maximum allowable APs.
- C. The subscription has been cancelled.
- D. The allowed usage within the subscription has been surpassed.
Answer: D
Explanation:
The "Exceeded" status for a subscription means that the allowed usage defined within the subscription has been surpassed.
This typically refers to exceeding limits such as the number of devices, data usage, or other metrics specified in the subscription plan.
Exceeding these limits may require action such as upgrading the subscription plan to accommodate the additional usage.
NEW QUESTION # 71
Which statement about Marvis Minis is correct?
- A. Marvis provides Marvis Actions to simulate user connections.
- B. Marvis is an LLM that designs network infrastructure.
- C. Marvis Minis works with Juniper Mist AI to validate network configuration to optimize user experiences.
- D. Marvis Minis is Juniper's onsite technical support team that troubleshoots enterprise access points.
Answer: C
Explanation:
Marvis Minisis a component of theMarvis Virtual Network Assistant (VNA)within theJuniper Mist AI ecosystem. It is designed to proactively ensure optimal network performance and user experience by running synthetic network testsusing Mist-managed access points.
According to theJuniper Mist Marvis Minis Technical Overview, this feature allows APs to act asvirtual clientsthat automatically simulate user connection flows, including authentication, DHCP, DNS, and application reachability. These tests validate that thenetwork configuration and servicesare 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), andMarvis Actions (C)is a different feature for identifying and resolving live issues. The accurate description is thatMarvis Minis collaborates with Mist AI to validate configurations and optimize user experiences.
References:- Juniper Mist Marvis Minis Overview and Deployment Guide- Juniper Mist AI Operations and Monitoring Guide- Juniper Mist Marvis Virtual Network Assistant Documentation
NEW QUESTION # 72
Which two statements are true about packet captures on an AP? (Choose two.)
- A. The involved APs are taken out of service.
- B. Only wireless packets can be captured.
- C. The involved APs remain in service.
- D. Wireless and wired packets can be captured.
Answer: C,D
Explanation:
Mist APs have the capability to capture both wireless and wired packets. This feature allows for comprehensive network troubleshooting by providing visibility into both types of traffic. When performing packet captures on Mist APs, the APs remain in service. This means they continue to operate and serve clients while the capture is ongoing, ensuring minimal disruption to network operations.
This functionality is critical for maintaining network availability and performance while conducting detailed packet analysis.
NEW QUESTION # 73
Which step must you take when configuring rogue AP detection?
- A. Enable rogue AP detection.
- B. Disable honeypot detection.
- C. Set the proximity zones.
- D. Set the Radio Resource Management (RRM) interval.
Answer: A
Explanation:
Rogue AP Detection:
Rogue AP detection is crucial for maintaining network security by identifying unauthorized access points.
Configuration Step:
Enable Rogue AP Detection:
The first and necessary step in configuring rogue AP detection is enabling the feature in the Mist system.
Other Steps:
Setting proximity zones, disabling honeypot detection, and setting the RRM interval are additional configurations but not the initial or mandatory step.
NEW QUESTION # 74
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