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>> JN0-253 Latest Exam Questions <<
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NEW QUESTION # 140
How often does Marvis Minis execute automatic validations?
Answer: D
Explanation:
Marvis Miniscontinuously validates the health of network services by performing synthetic tests at predefined intervals without requiring user intervention. These tests simulate real client interactions - such as authentication, DHCP, DNS, and application reachability - to detect network issues proactively.
According to theJuniper Mist Marvis Minis Technical Overview, the feature performs:
"Automated validations every hour to ensure wireless, wired, and WAN network services are operating as expected." Each validation cycle allows the Minis agent (running on Mist Access Points) to verify connectivity and performance parameters across key stages of the client experience. If any issues are detected, they are automatically surfaced in theMarvis Actions dashboardfor further analysis.
While administrators can trigger additional manual tests,automatic validations occur every hourby default across all enabled sites.
Therefore, the correct answer isB. Every hour.
References:- Juniper Mist Marvis Minis Operations and Validation Guide
NEW QUESTION # 141
Which Juniper Mist feature provides application forwarding path details?
Answer: D
Explanation:
Forwarding Insights in Juniper Mist provides detailed visibility into the application forwarding path, helping administrators understand how traffic is routed and troubleshoot path-related issues.
NEW QUESTION # 142
Exhibit:
Referring to the exhibit, what does the AI Validated notification for the WAN Edge tell the user?
Answer: B
Explanation:
The AI Validated notification for the WAN Edge signifies that Marvis has verified the underlying issue as resolved and has classified the incident as AI-validated. According to the Juniper Mist documentation, when Marvis completes its troubleshooting workflow and determines that a previously surfaced issue is cleared - either by automated remediation or through confirmation of operational health - Marvis marks the issue as
"AI Validated." This indicates both the end of the incident lifecycle and the confidence level provided by Mist's AI that the environment is healthy and functioning as expected. The notification does not mean an error remains, nor does it confirm merely the presence of an issue, nor that Marvis performed only an automatic fix (which may also be the case, but the "AI Validated" label is for resolved/confirmed resolution status). This is most often seen as a final state within the Marvis Actions interface on the WAN Edge.
Reference:Juniper Mist Marvis Documentation - AI Validation, Issue Lifecycle in Marvis Actions
NEW QUESTION # 143
Mist AI collects and integrates data from multiple sources, including the data science and customer success teams and the domain experts. This process improves ML/AI accuracy. What is this process called?
Answer: B
Explanation:
TheMist AI Efficacy Loopis a key concept within theJuniper Mist AI architecturethat ensures continuous improvement of itsmachine learning (ML)andartificial intelligence (AI)models. This process combines feedback and data collected from multiple sources - including real-world network telemetry, customer success feedback, domain experts, and the Mist data science team - to refine the AI algorithms and enhance prediction accuracy.
According to theJuniper Mist AI Operations and Architecture Guide, the process is described as follows:
"The Mist AI efficacy loop is a closed-loop feedback system that continuously collects data from the field, correlates it with expert knowledge and support insights, and uses it to retrain and improve AI models for greater accuracy and reliability." This iterative learning cycle allows Mist AI to:
* Improve anomaly detection precision.
* Reduce false positives in network issue detection.
* Enhance Marvis's ability to accurately identify root causes and recommend corrective actions.
Theefficacy loopis what differentiates Mist AI from static analytics platforms, as it creates aself-learning systemthat evolves with every deployment and customer interaction.
Therefore, the correct answer isB. Mist AI efficacy loop.
References:- Juniper Mist AI Operations and Architecture Guide- Juniper Mist AI Cloud Fundamentals Documentation- Juniper Mist AI and Machine Learning Study Guide
NEW QUESTION # 144
Which three categories of alert types are available in Juniper Mist? (Choose three.)
Answer: A,B,E
Explanation:
Alerts represent network and device issues that are ongoing. Juniper Mist™ categorizes them as follows:
* Infrastructure Alerts-Repeated events involving servers and protocols that can potentially affect a large number of clients. For example, an event during which a Domain Name System (DNS), Dynamic Host Configuration Protocol (DHCP), or RADIUS server is unreachable can affect many clients.
Similarly, if a power supply on a switch is in alarm state, a large number of clients and a large amount of traffic could be affected.
* Marvis Alerts-Repeated events that Marvis tracks on the Marvis Actions dashboard. For example, if an access point (AP) regularly fails health checks, you'll see a Marvis alert for it.
* Security Alerts-Repeated events that could dramatically affect network security. For example, these alerts appear if a rogue AP is detected and clients start connecting to it.
* Certificate Alerts-Notification for expired, and soon-to-expire, user-added digital certificates. These include RadSec (configured at Organization > Settings > RadSec Certificates and AP RadSec certificate), SSO (configured at Organization > Settings > Single Sign-On), and PSK Portal IDP certificates (configured at Organization > Client Onboarding). Certificate alerts appear on the Alerts page and begin 30 days before the certificate's expiry date, then the notification repeats 15, 7, 3, and 1 day before expiration unless the certificate is renewed. .
https://www.juniper.net/documentation/us/en/software/mist/mist-aiops/topics/concept/alerts-overview.html
NEW QUESTION # 145
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