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Title: JN0-253 Ressourcen Pr¨¹fung - JN0-253 Pr¨¹fungsguide & JN0-253 Beste Fragen [Print This Page]
Author: gregpar852    Time: yesterday 20:39
Title: JN0-253 Ressourcen Pr¨¹fung - JN0-253 Pr¨¹fungsguide & JN0-253 Beste Fragen
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Juniper JN0-253 Pr¨¹fungsplan:
ThemaEinzelheiten
Thema 1
  • Marvis Virtual Network Assistant AI: This domain introduces Marvis, an AI-powered assistant providing automated troubleshooting through intelligent actions, natural language queries, and specialized analytical tools for proactive issue resolution.
Thema 2
  • 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.
Thema 3
  • 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.
Thema 4
  • 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.
Thema 5
  • Juniper Mist Monitoring and Analytics: This domain focuses on monitoring tools including service-level expectations, packet captures, AI-driven insights, automated alerts, and audit logs for comprehensive network visibility.
Thema 6
  • Juniper Mist Cloud Operations: This domain covers three API types (RESTful, WebSocket, Webhook) for programmatic integration, plus support resources including ticketing systems and documentation.

Juniper Mist AI, Associate (JNCIA-MistAI) JN0-253 Pr¨¹fungsfragen mit Lösungen (Q14-Q19):14. Frage
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.)
Antwort: B,D
Begr¨¹ndung:
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

15. Frage
Which parameter is beyond the scope of the Connectivity category when troubleshooting with Marvis Actions?
Antwort: C
Begr¨¹ndung:
The duplex mismatch parameter is beyond the scope of Marvis Actions' Connectivity category. According to the official Juniper Mist documentation, Marvis Actions within the Connectivity category are designed to troubleshoot common network connectivity issues for wireless clients, including DHCP failure, DNS failure, authentication failure, and ARP failure. These actions automatically detect and provide detailed insights about failures most likely to impact client onboarding, IP addressing, and network services. Duplex mismatch, on the other hand, is a wired networking issue where there is a disagreement between network devices (such as switches and end hosts) regarding duplex settings (half-duplex or full-duplex), and it typically causes performance problems like collisions and slow speeds. Marvis's focus for the Connectivity troubleshooting category is wireless protocol-level connectivity and service reachability, so duplex mismatch falls outside its direct scope of detection and automatic remediation.
Reference:Juniper Mist Documentation - Troubleshooting Connectivity Issues with Marvis; Connectivity Actions Overview

16. Frage
Which two statements correctly describe the encryption of traffic using Mist? (Choose two.)
Antwort: B,D
Begr¨¹ndung:
AP and RADIUS Server Communication: By default, the communication between an Access Point (AP) and a RADIUS server is not encrypted. This can be configured to be encrypted, but it is not the default setting.
Wi-Fi Client and AP Communication: By default, the communication between a Wi-Fi client and an AP is encrypted, typically using WPA2 or WPA3, which ensures the data exchanged over the wireless network is secure.

17. Frage
Using the Mist UI, where do you look for high priority end-user issues on the network?
Antwort: C

18. Frage
What does the AI-driven RRM in Juniper Mist Wireless Assurance optimize?
Antwort: D
Begr¨¹ndung:
TheAI-driven Radio Resource Management (RRM)feature inJuniper Mist Wireless Assurance dynamically optimizesradio resource settingsacross all managed access points (APs) to ensure optimal wireless coverage, capacity, and performance.
According to theJuniper Mist Wireless Assurance and RRM Guide, RRM continuously analyzes live network telemetry, including metrics such assignal strength, interference, channel utilization, and client distribution, to make intelligent adjustments in real time.
It automatically optimizes parameters such as:
* Channel selection (to minimize co-channel and adjacent-channel interference).
* Transmit power levels (to balance coverage and minimize contention).
* Channel width (to optimize throughput based on RF conditions).
The documentation specifies:
"AI-driven RRM in Mist Cloud continuously learns and adapts radio configurations based on environmental and client behavior patterns, improving network stability and overall user experience." OptionsA,C, andDare incorrect because:
* Band steeringis a specific feature handled separately within WLAN settings.
* SSID naming conventionsanduser interfacesare administrative, not RRM-controlled.
Therefore, the correct answer isB. Radio resource settings.
References:- Juniper Mist Wireless Assurance and AI-driven RRM Documentation- Juniper Mist AI Cloud Operations Guide- Juniper Mist Access Point Configuration and Optimization Guide

19. Frage
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