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| Certification Vendor: | Juniper |
|---|---|
| Exam Name: | Mist AI, Associate (JNCIA-MistAI) |
| Exam Number: | JN0-253 |
| Exam Format: | Multiple-choice |
| Available Languages: | English |
| Certificate Validity Period: | 3 years |
| Exam Duration: | 90 minutes |
| Real Exam Qty: | 65 |
| Exam Price: | $200 USD |
| Passing Score: | Pass/Fail (Approx. 60-70%) |
| Related Certifications: | JNCIP-MistAI JNCIA-MistAI JNCIS-MistAI-Wireless JNCIS-MistAI-Wired |
| 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 # 108
Your manager asks you to configure all your remote Juniper EX Series switches to use Dynamic Port Configuration. In this scenario, what are two criteria used for matching connected devices and assigning them their correct port and VLAN? (Choose two.)
Answer: A,B
Explanation:
MAC address can be used to identify connected devices for Dynamic Port Configuration.
LLDP chassis ID provides device identity information, which is also used to match devices and assign the correct port and VLAN automatically.
NEW QUESTION # 109
You are asked to display your network devices using the Juniper Mist GUI as a single solution. Your network is made up of a wireless infrastructure of only Juniper APs, and the wired infrastructure has a mix of Juniper and non-Juniper switches. Your solution must ensure that all devices are displayed in the Juniper Mist GUI.
Given this scenario, how would you accomplish this task?
Answer: A
Explanation:
The appropriate solution is Juniper Mist Asset Visibility (option C). Asset Visibility is a cloud service that leverages Juniper Mist Access Points and virtual Bluetooth Low Energy (vBLE) technology to track, locate, and display all network devices-including both Juniper and non-Juniper hardware-within the Mist GUI.
According to the official Juniper documentation: "Juniper Mist Asset Visibility unites Wi-Fi connectivity, indoor location services for asset tracking, and IoT visibility in a single cloud platform. By combining vBLE with the Mist Cloud, organizations can use the same infrastructure-even when wired switches are from different vendors-for locating, tracking, and analyzing their most valuable assets and network devices." This capability is independent of switch manufacturer and provides comprehensive visualization of wireless APs and connected wired devices, ensuring a true single-pane-of-glass management experience. Wired Assurance, Marvis Actions, and LLDP-enabled Wi-Fi Management may provide visibility and proactive troubleshooting, but only Asset Visibility guarantees display and tracking of all assets-Juniper and non- Juniper-in the Mist GUI.
Reference:Juniper Mist Asset Visibility Datasheet; Visibility Services Overview
NEW QUESTION # 110
Which machine learning method uses unlabeled data sets?
Answer: C
Explanation:
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
NEW QUESTION # 111
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 # 112
Which two statements describe port profiles? (Choose two.)
Answer: B,C
Explanation:
Port profilesinJuniper Mist Wired Assuranceare reusable configuration templates that define how switch ports behave. They streamline switch provisioning and ensure consistent configurations across multiple ports and devices within a site or organization.
According to theJuniper Mist Wired Assurance Configuration Guide, port profiles are defined as:
"A collection of interface-level settings that can be applied to one or more switch ports to simplify configuration and ensure uniform policy enforcement." Key characteristics include:
* Reusable templates:Port profiles can beassigned to multiple portson one or more switches, allowing rapid deployment and consistent port behavior (e.g., access, trunk, voice VLAN).
* Interface-level parameters:They include settings such as VLAN assignments, PoE configuration, speed, duplex, and LLDP options.
Port profilesdo not include routing configurations(those are defined at the Layer 3 interface or VLAN interface level) and arenot limited to a single port.
Therefore, the correct answers are:
* A. They can be assigned to multiple ports.
* B. They include a set of interface configurations.
References:- Juniper Mist Wired Assurance Configuration and Templates Guide- Juniper Mist Cloud Switch Management Documentation- Juniper EX Series Switch Wired Assurance Overview
NEW QUESTION # 113
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