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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 |
| Exam Duration: | 90 minutes |
| Related Certifications: | JNCIA-Junos JNCIS-ENT |
| Available Languages: | English |
| Exam Format: | Multiple-choice, Scenarios-based questions |
| 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 # 19
As an organization administrator, what are two ways to configure additional layers of security for administrator logins? (Choose two.)
Answer: A,B
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 # 20
Exhibit:
Referring to the exhibit, which SLE would an administrator investigate to troubleshoot weak signal issues?
Answer: A
Explanation:
InJuniper Mist Wireless Assurance,Service Level Expectations (SLEs)are key metrics that measure different aspects of the end-user experience. Each SLE focuses on a distinct area of network performance such asConnection,Roaming,Throughput, andCoverage.
TheCoverage SLEspecifically measures whether wireless clients are receiving adequate signal strength (RSSI) and signal quality (SNR) from access points. According to theJuniper Mist AI Operations and SLE Analytics Guide, this metric is defined as:
"The Coverage SLE quantifies the percentage of client sessions that meet the required signal strength and quality thresholds. Low coverage indicates areas with weak or inconsistent RF signal levels." When users experienceweak signal or dead zones, theCoverage SLEprovides insight into where and why these issues occur. Mist AI identifies sub-classifiers such asSignal Quality,Wi-Fi Interference, orAirtime Utilization, allowing administrators to isolate the cause of poor signal conditions.
Therefore, in the exhibit shown, an administrator would investigate theCoverage SLE (79%), as it directly relates to signal weakness or RF coverage problems.
References:- Juniper Mist Wireless Assurance and SLE Documentation- Juniper Mist AI Operations and Analytics Guide- Juniper Mist Cloud Dashboard and RF Monitoring Overview
NEW QUESTION # 21
What are three features of Juniper Mist? (Choose three.)
Answer: B,C,D
Explanation:
Juniper Mist delivers Automatic Feature Updates, Wireless Assurance, and Asset Tracking as core platform features.
* Automatic feature updates: As part of its cloud architecture, Juniper Mist provides bi-weekly, hitless automatic updates for features and security, delivered seamlessly from the cloud without service interruption or manual intervention. Mist documentation states, "New features, security patches, and updates are automatically added on a bi-weekly basis without interruptions or service downtime. This dramatically simplifies and improves service operations for network IT administrators."
* Wireless Assurance: Wireless Assurance is Mist's flagship cloud service that leverages AI and machine learning to automate wireless network operations, delivering predictable, reliable, and measurable Wi- Fi experiences. It provides deep visibility into client states, sets service level expectations (SLEs), and uses Marvis actions and AI-driven recommendations to ensure root-cause identification and proactive troubleshooting-"Mist Wi-Fi Assurance is a cloud service based on machine learning (ML) and driven by Mist AI... designed for the smart device era."
* Asset tracking: Asset Visibility/Tracking uses vBLE technology and Wi-Fi to track and locate assets and IoT devices within an organization, integrating with Juniper Mist Cloud for real-time and historical analytics. According to the Asset Visibility datasheet: "Mist Asset Visibility is a cloud service that enables real-time tracking and historical location analytics of people, assets, and IoT devices." Controller firmware updates and perpetual AP licenses are not listed features of the Mist cloud architecture; Mist uses a cloud-based control plane and subscription-based licensing for its platform.
References:Juniper Mist Wireless Overview , Asset Visibility Datasheet , Mist Platform Solution Brief , Mist AI Update Release Notes , Mist Feature Compariso
NEW QUESTION # 22
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 # 23
Which two statements are correct when considering Juniper Mist clouds? (Choose two.)
Answer: A,D
Explanation:
When you create a new user, they are enabled only for the specific Mist cloud where the account was created.
Users created in a regional cloud can manage organizations only within that same cloud and not across different regional clouds.
NEW QUESTION # 24
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