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| Certification Vendor: | Juniper |
|---|---|
| Exam Name: | Mist AI, Associate (JNCIA-MistAI) |
| Exam Number: | JN0-253 |
| Real Exam Qty: | 65 |
| Exam Price: | $200 USD |
| Exam Format: | Multiple-choice |
| Passing Score: | Pass/Fail (Approx. 60-70%) |
| Exam Duration: | 90 minutes |
| Certificate Validity Period: | 3 years |
| Related Certifications: | JNCIS-MistAI-Wired JNCIA-MistAI JNCIS-MistAI-Wireless JNCIP-MistAI |
| Available Languages: | English |
| Sample Questions: | Juniper JN0-253 Sample Questions |
| Exam Way: | Pearson VUE (testing center or online) |
| Pre Condition: | None |
| Official Syllabus URL: | https://www.juniper.net/us/en/training/certification/tracks/mist-ai/jncia-mistai.html |
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NEW QUESTION # 84
What are two components of WiFi Management and Assurance? (Choose two.)
Answer: B,D
Explanation:
Dynamic Packet Capture and Radio Resource Management (RRM) are two key components of WiFi Management and Assurance in Juniper Mist. According to official documentation: "Dynamic packet capture allows capturing wireless packets between clients and an access point to diagnose root-cause wireless issues.
For example, when a major issue is detected, such as an authorization failure, packet captures facilitate quick troubleshooting and root-cause analysis." RRM, driven by Mist's AI, proactively analyzes network conditions and client experiences to automatically adjust channel and power settings for optimal performance: "AI- driven RRM uses data science and cumulative SLE performance to learn and optimize radio settings, helping RF planning to continue to improve and adapt in the changing environments..." Marvis Actions is an AI-powered troubleshooting feature, but it is a separate component enabled by the Marvis subscription, not by base WiFi Management and Assurance. Wayfinding is part of the vBLE Engagement or location services.
Reference:Juniper Mist Wi-Fi Assurance | UK&I , Mist Management Guide , Platform Wi-Fi Assurance - NetworkScreen.com
NEW QUESTION # 85
Which Juniper Mist product enables the onboard Bluetooth Low Energy (BLE) antenna array for listen-only mode?
Answer: A
Explanation:
InJuniper Mist's Location-Based Services, theAsset Visibilityservice utilizes the built-inBluetooth Low Energy (BLE)antenna array within Mist Access Points to track BLE tags and devices inlisten-only mode.
This allows the APs to receive BLE signals emitted by assets and compute their real-time location usingangle- of-arrival (AoA)andRSSI-based triangulation.
According to theJuniper Mist Asset Visibility and Location Services Guide:
"When operating in Asset Visibility mode, the vBLE antenna array in Mist Access Points functions in listen- only mode, collecting BLE chirps from asset tags and relaying this data to the Mist Cloud for location determination." This configuration differs fromvBLE Engagement, where APs transmit BLE beacons to interact with mobile apps. InAsset Visibility, the BLE array passively listens to track tagged assets (e.g., equipment, IoT devices) across a defined floor map.
Therefore, the correct answer isD. Asset Visibility.
References:- Juniper Mist Asset Visibility and Location-Based Services Configuration Guide- Juniper Mist vBLE Architecture Overview- Juniper Mist Cloud Location Services Documentation
NEW QUESTION # 86
Which protocol does Mist cloud use to send and receive data to connected access points?
Answer: B
Explanation:
Mist Cloud Communication Protocol: The Mist cloud platform uses HTTPS (Hypertext Transfer Protocol Secure) to communicate with connected access points. This ensures that the data sent and received is encrypted and secure, adhering to modern security standards(Juniper Networks).
Security and Reliability: Using HTTPS provides a secure channel over which configuration changes, updates, and monitoring data can be safely transmitted between the Mist cloud and the access points. This protocol is widely accepted and trusted for secure communications over the internet.
NEW QUESTION # 87
What are two important components monitored under WAN Edge Health SLEs? (Choose two.)
Answer: A,D
Explanation:
ISP reachability is monitored to ensure the WAN edge device maintains connectivity with the provider.
CPU utilization is tracked as part of WAN Edge Health to monitor device performance and stability.
NEW QUESTION # 88
When a Juniper Mist managed switch is powered on, which event must be completed prior to the Zero-Touch Provisioning (ZTP) process moving forward?
Answer: A
Explanation:
A DHCP lease must be obtained by the switchbefore the ZTP process proceeds. Juniper documentation clarifies: "Ensure that a DHCP server is reachable. In addition to providing an IP address to the switch, your DHCP server must provide the following information: a default gateway, an NTP server, and a DNS server address..." The initial event in the ZTP workflow is the switch receiving a valid IP address via DHCP. Only after obtaining an address can the switch connect to the Mist cloud and proceed with zero-touch provisioning.
Other requirements, such as user account, NETCONF, or NTP sync, occur later or are handled automatically via cloud policy after onboarding.
Reference:Juniper Mist Wired Assurance Configuration Guide , Cloud-Ready EX and QFX Switches with Mist Manual , Ports to enable on your firewall - Mist.
NEW QUESTION # 89
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