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| Certification Vendor: | Juniper Networks |
|---|---|
| Exam Name: | Mist AI, Associate (JNCIA-MistAI) Exam |
| Exam Number: | JN0-253 |
| Exam Format: | Multiple choice, Scenario-based questions |
| Exam Price: | $200 USD |
| Exam Duration: | 90 minutes |
| Certificate Validity Period: | 3 years |
| Related Certifications: | Mist AI Wired, Specialist (JNCIS-MistAI-Wired) Mist AI, Professional (JNCIP-MistAI) Mist AI Wireless, Specialist (JNCIS-MistAI-Wireless) |
| Available Languages: | English |
| Passing Score: | 65% - 70% |
| Real Exam Qty: | 65 |
| Recommended Training: | Juniper Mist AI Fundamentals |
| Exam Registration: | Pearson VUE Registration |
| Sample Questions: | Juniper JN0-253 Sample Questions |
| Exam Way: | Online remote proctored or onsite at authorized Pearson VUE test centers |
| Pre Condition: | No prerequisite exams or certifications required |
| Official Syllabus URL: | https://www.juniper.net/gb/en/training/certification/tracks/mist-ai/jncia-mistai.html |
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| 主題 | 簡介 |
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| 主題 2 |
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| 主題 3 |
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問題 #99
What is required for Marvis Minis to operate?
答案：A
解題說明：
Marvis Minis run directly on Mist access points, so the only requirement is that the APs have the minimum supported firmware version. No additional subscriptions or templates are needed for them to operate.
問題 #100
How do Wireless Assurance SLEs help administrators troubleshoot?
答案：D
解題說明：
In Juniper Mist AI,Wireless Assurance Service Level Expectations (SLEs)are designed to provideAI- driven visibility into user experience and network performance. Each SLE represents a specific aspect of the end-user journey - such asTime to Connect, Throughput, Coverage, Roaming, Capacity, and Application Experience.
According to the Juniper Mist documentation, SLEs "define measurable benchmarks for user experience and identify where deviations occur." This allows administrators to quickly determine whether issues stem from client devices, access points, wired uplinks, or WAN connectivity. When an SLE metric falls below its threshold, Mist AI automatically highlights the affected classifier (for example, DHCP, DNS, or Wi-Fi interference) and providesroot-cause correlationthrough AI-driven insights.
This data-driven approach enables administrators totroubleshoot proactivelyby focusing on user-impacting areas instead of raw device statistics. Thus, Wireless Assurance SLEs act asexperience-based benchmarks that simplify troubleshooting, improve performance visibility, and shorten mean time to repair (MTTR).
References:- Juniper Mist Wireless Assurance and SLEs Overview- Juniper Mist AI Operations and Analytics Guide- Juniper Mist Cloud Documentation on Service Level Expectations
問題 #101
Which two statements correctly describe the provisioning of greenfield and brownfield switches using the Mist UI? (Choose two.)
答案：A,B
解題說明：
Greenfield switches: These are new switches that have not been previously configured or managed. They are typically provisioned using the "Claim Switches" button, as they need to be initially claimed and added to the Mist environment. Brownfield switches: These are existing switches that have been configured and managed using a different system. They are typically provisioned using the "Adopt Switches" button, as they need to be adopted into the Mist environment while preserving their existing configuration.
問題 #102
What are two ways that Marvis Minis validates network configurations? (Choose two.)
答案：A,B
解題說明：
Marvis Minis automatically validates network configurations by simulating client behavior.
It uses supervised machine learning to analyze results and detect deviations from expected network performance.
問題 #103
What is the purpose of Audit Logs in Juniper Mist?
答案：D
解題說明：
The purpose of Audit Logs in Juniper Mist is to record administrative activities within the Mist dashboard.
According to the official Juniper Mist documentation: "Audit Logs provide a detailed chronological record of each configuration change, administrative action, and user activity within the Mist Cloud portal. These logs include information such as the action performed (e.g., adding or removing sites, devices, or users), the timestamp, and the user who performed the action. Audit Logs are critical for accountability, compliance, and troubleshooting, enabling administrators to trace changes and ensure that only authorized users are making modifications to their network settings. Mist stores audit log records securely and makes them accessible for review by organization administrators from the dashboard's Organization > Audit Logs section." This directly aligns with option C, as the logs primarily track configuration changes and administrative actions-not performance events, security alerts, or SLE violations. Such activities include site creation, modification, device assignment, role changes, and other user or configuration updates.
Reference: Juniper Mist Documentation - Audit Logs and Organization Management, Mist AI Study Guide.
問題 #104
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