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| Section | Objectives |
|---|---|
| Mist Cloud Architecture | - Cloud services and platform components
|
| Troubleshooting and Analytics | - Network performance analysis
|
| Wireless Assurance | - Wi-Fi management and optimization
|
| Wired Assurance | - Switch monitoring and management
|
| Mist AI Fundamentals | - AI-driven networking concepts
|
| Marvis AI Assistant | - AI-powered troubleshooting
|
>> JN0-253 Questions Answers <<
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NEW QUESTION # 79
What does the AI-driven RRM in Juniper Mist Wireless Assurance optimize?
Answer: D
Explanation:
TheAI-driven Radio Resource Management (RRM)feature inJuniper Mist Wireless Assurance dynamically optimizesradio resource settingsacross all managed access points (APs) to ensure optimal wireless coverage, capacity, and performance.
According to theJuniper Mist Wireless Assurance and RRM Guide, RRM continuously analyzes live network telemetry, including metrics such assignal strength, interference, channel utilization, and client distribution, to make intelligent adjustments in real time.
It automatically optimizes parameters such as:
* Channel selection (to minimize co-channel and adjacent-channel interference).
* Transmit power levels (to balance coverage and minimize contention).
* Channel width (to optimize throughput based on RF conditions).
The documentation specifies:
"AI-driven RRM in Mist Cloud continuously learns and adapts radio configurations based on environmental and client behavior patterns, improving network stability and overall user experience." OptionsA,C, andDare incorrect because:
* Band steeringis a specific feature handled separately within WLAN settings.
* SSID naming conventionsanduser interfacesare administrative, not RRM-controlled.
Therefore, the correct answer isB. Radio resource settings.
References:- Juniper Mist Wireless Assurance and AI-driven RRM Documentation- Juniper Mist AI Cloud Operations Guide- Juniper Mist Access Point Configuration and Optimization Guide
NEW QUESTION # 80
Which two statements correctly describe the provisioning of greenfield and brownfield switches using the Mist UI? (Choose two.)
Answer: A,D
Explanation:
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.
NEW QUESTION # 81
Which statement is correct about the SLE dashboard?
Answer: A
Explanation:
In the SLE dashboard, Service Level Expectations (SLEs) are shown as a percentage of success to highlight how well the network is performing. On the other hand, classifiers are displayed as a percentage of failure to indicate areas where issues are occurring and need attention. This approach helps provide a clear understanding of both overall performance and problem areas.
NEW QUESTION # 82
You are asked to configure WPA3/Enterprise (802.1X) security on the corporate employee SSID on every access point in your multi-site organization. Which Juniper Mist template would you use for this task?
Answer: C
Explanation:
WPA3/Enterprise (802.1X) security is configured at the SSID level, which is managed through a WLAN template in Juniper Mist. This ensures consistent wireless security configuration across all access points in a multi-site organization.
NEW QUESTION # 83
What should be specified in the session policy settings?
Answer: A
Explanation:
Thesession policy settingsin theJuniper Mist Clouddefine how long a user session remains active and how the system manages session expirations due to inactivity. These configurations help ensure bothsecurityand efficient resource managementacross the Mist Cloud portal and API sessions.
According to theJuniper Mist Cloud Administration and Security Configuration Guide:
"Session policy defines session timeout and inactivity timeout parameters, controlling how long users can remain logged into the Mist Cloud portal or API before re-authentication is required."
* Session Timeout:Specifies the maximum duration a session can remain active, regardless of activity.
* Inactivity Timeout:Defines how long a session can remain idle before automatic logout.
These policies help maintain strong access security by reducing the risk of unauthorized access through stale sessions.
Other options such as password complexity (A, C) and two-factor authentication (D) are configured under authentication and access policies, not session policies.
Therefore, the correct answer isB. The duration for session timeout and inactivity timeout.
References:- Juniper Mist Cloud Administration and Security Configuration Guide- Juniper Mist Organization Access and Authentication Policy Documentation- Juniper Mist Cloud Operations and Management Overview
NEW QUESTION # 84
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