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| Certification Vendor: | Juniper Networks |
|---|---|
| Exam Name: | Juniper Networks Certified Associate - Mist AI (JNCIA-MistAI) JN0-253 |
| Exam Number: | JN0-253 |
| Exam Price: | $200 USD |
| Related Certifications: | JNCIS-ENT JNCIA-Junos |
| Exam Duration: | 90 minutes |
| Available Languages: | English |
| Exam Format: | Scenarios-based questions, Multiple-choice |
| Certificate Validity Period: | 3 years |
| Recommended Training: | Juniper Mist AI Official Training Juniper Networks Training & Certification |
| Exam Registration: | Pearson VUE Juniper Exams Juniper Certification Portal |
| Sample Questions: | Juniper JN0-253 Sample Questions |
| Exam Way: | Online proctored or test center (Pearson VUE) |
| Pre Condition: | No formal prerequisites required; basic networking knowledge recommended |
| Official Syllabus URL: | https://www.juniper.net/us/en/training/certification/certification-tracks/mist-ai.html |
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NEW QUESTION # 121
What are two components of WiFi Management and Assurance? (Choose two.)
Answer: A,C
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 # 122
Which Juniper Mist dashboard feature uses the ROAMINGOF element?
Answer: A
Explanation:
The ROAMINGOF element is part of the Wireless Service Level Expectations (SLEs), specifically used to track and analyze roaming performance for wireless clients.
NEW QUESTION # 123
In Juniper Mist, which three devices send data to the Juniper Mist cloud? (Choose three.)
Answer: A,C,E
Explanation:
Juniper Mist Edge sends data to the Mist cloud for processing.
Session Smart Routers (SSR) forward WAN Assurance data to the Mist cloud.
Access Points (APs) continuously send telemetry and user session data to the Mist cloud for analysis.
NEW QUESTION # 124
What is the sampling method used in supervised learning?
Answer: C
Explanation:
The fundamental sampling method used in supervised learning is a labeled dataset. As described in Juniper Mist AI and machine learning application guides, supervised learning algorithms are trained using datasets in which each sample is paired with a known output (label). The model is fed examples comprising input data and the correct answer, learning patterns to map new inputs to their target outputs. While regression, decision tree, and random forest are techniques within supervised learning, the process fundamentally relies on having a labeled dataset for both training and validation phases. "Supervised machine learning models are built on labeled data, with each input paired to a target value or classification." This allows for accurate model training and evaluation.
Reference:Juniper Mist AI Explainable AI Reference , Machine Learning in Juniper Mist
NEW QUESTION # 125
Which two statements are correct about the Juniper Mist vBLE Asset Visibility mode? (Choose two.)
Answer: B,D
Explanation:
Juniper Mist'svirtual Bluetooth Low Energy (vBLE)technology is designed to deliverprecise indoor location servicesusing cloud-managed access points equipped with integrated BLE antenna arrays. The system supports multiple operational modes, includingEngagement Mode(for mobile app interactions) and Asset Visibility Mode(for BLE tag tracking).
According to theJuniper Mist Location Services Documentation, inAsset Visibility Mode, the vBLE antenna functions primarily inreceive modeto detect and process signals emitted fromBLE asset tags. These tags periodically transmit Bluetooth "chirps" that are received by multiple APs. Mist Cloud then usesangle-of- arrival (AoA)andRSSI triangulation algorithmsto determine the exact location of the asset within the facility.
The documentation specifies:
"In Asset Visibility Mode, the vBLE antenna operates in receive mode and listens for BLE tag beacons (chirps). The system triangulates these signals to calculate the real-time location of tracked assets." Conversely,Engagement Modeis the configuration in which vBLE operates intransmit modeto interact with mobile devices running the Mist SDK - which corresponds to location-based engagement or proximity notifications.
Thus, the correct answers are:
* A. The vBLE antenna is in the receive mode
* B. The vBLE antenna tracks chirps from BLE tags
References:- Juniper Mist Location-Based Services Configuration Guide- Juniper Mist vBLE Architecture and Operation Modes Documentation- Juniper Mist Cloud Location Services Technical Overview
NEW QUESTION # 126
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