[2024] Pass JN0-252 Exam - Real Questions and Answers
JN0-252 Exam Questions Get Updated [2024] with Correct Answers
NEW QUESTION # 37
..has reported a network outage. After locating the user, you find that the switch interface facing the user Is down but there Is no alert in the Mist Ul. You want to ensure that in the future, you receive an alert when a switch *face is down. You have already verified that the Critical Switch Port Down alarm is configured and enabled on the Alerts Configuration page.
his scenario, which action in the Mist Ul will satisfy the requirement?
- A. Disable the Critical Switch Pott Down alarm on the Alerts Configuration page.
- B. Navigate to the switch in the Mist Ul and modify the Port Profile configuration to enable Persistent (Sticky) MAC Learning for the Port Profile.
- C. Enable the Critical Switch Port Up alarm on the Alerts Configuration page.
- D. Navigate to the switch in the Mist Ul and modify the Port Configuration to enable the Up/Down Port Alerts setting for the interface.
Answer: D
Explanation:
* To ensure that you receive alerts when a switch interface goes down, you need to enable the Up/Down Port Alerts setting for the specific interface.
* This setting can be configured by navigating to the switch within the Mist UI and modifying the port configuration. Enabling this setting ensures that any changes in the port status, such as going down, will trigger an alert.
* This is critical for proactive network monitoring and to promptly address any connectivity issues.
* Reference: Juniper Networks documentation on configuring port alerts within the Mist UI.
NEW QUESTION # 38
What is a Mist Coverage SLE based upon?
- A. a summary of user minutes
- B. a summary of switch data
- C. an average across APs
- D. an average of client data
Answer: A
NEW QUESTION # 39
Which Radio Resource Management (RRM) changes are only made once a day between 2:00 AM and 3:00 AM local time?
- A. channel and power settings across a site based on long-term statistics and baselines
- B. channel and power level changes triggered by SSID scheduling
- C. RF template changes to channel width
- D. channel and power level changes triggered by DFS events
Answer: A
Explanation:
Identify the Changes: Radio Resource Management (RRM) changes and their timings.
RRM Changes:
Channel and power settings based on long-term statistics.
RF template changes to channel width.
Changes triggered by SSID scheduling.
Changes triggered by DFS events.
Timing of Changes:
Long-term RRM changes to channel and power settings are typically scheduled once a day to avoid disrupting network performance.
Conclusion:
Channel and power settings across a site based on long-term statistics and baselines are made once a day between 2:00 AM and 3:00 AM local time.
Reference:
Mist Documentation on RRM: Mist Documentation
NEW QUESTION # 40
What is a feature within Mist AI that uses unsupervised machine learning?
- A. Alerting
- B. Service Level Expectations
- C. vBLE engagement
- D. Insights
Answer: B
NEW QUESTION # 41
You notice a green LED emitted from your AP43.
Referring to the exhibit, what does this signal indicate?
- A. The AP is configured correctly with no users connected to it.
- B. The AP is not configured correctly with no users connected to it.
- C. The AP is configured correctly and at least one user is connected to it.
- D. The AP is not configured correctly but one user is connected to it.
Answer: A
NEW QUESTION # 42
What are two prerequisites for adopting Juniper switches for Wired Assurance? (Choose two.)
- A. a claim code
- B. an activation code
- C. an account on manage.mist.com
- D. a Wired Assurance license
Answer: B,D
Explanation:
Reference: https://www.juniper.net/us/en/products/cloud-services/wired-assurance.html
NEW QUESTION # 43
What are asked to create a label that will be applied to a WLAN template.
This scenario, under which level should you create the label?
- A. organization
- B. WLAN
- C. site
- D. clients
Answer: C
Explanation:
When creating a label to be applied to a WLAN template in Mist AI, you should create the label at the site level. This is because WLAN templates are designed to be associated with specific sites or site groups, allowing you to customize WLAN configurations per site. Creating labels at the site level ensures that these configurations are applied appropriately within the desired site context.
Reference:
Mist AI Documentation
Juniper Networks Site Groups
NEW QUESTION # 44
What does Mist with Wi-Fi Assurance do to detect a bad cable connected to an AP?
- A. It applies machine learning to telemetry data.
- B. It performs cable tests.
- C. It sends probe traffic through the cable connections.
- D. It monitors SNMP trap information.
Answer: B
NEW QUESTION # 45
In a Mist deployment, the Radio Resource Management feature is an example of which type of machine learning?
- A. reinforcement learning
- B. visual learning
- C. supervised learning
- D. unsupervised learning
Answer: A
NEW QUESTION # 46
..are troubleshooting a wireless authentication problem.
Which two Mist features would help you in this scenario? (Choose two.)
- A. client events
- B. access point events
- C. audit logs
- D. packer capture
Answer: A,D
Explanation:
Packet Capture: This feature allows for detailed inspection of traffic at the packet level. Capturing packets can help identify issues with authentication protocols, such as misconfigured settings or failures in the authentication exchange process.
Client Events: Monitoring client events provides insights into the client's authentication attempts, including successes and failures. This data helps in pinpointing where in the process the failure occurs, whether at the client, access point, or authentication server.
Reference:
Juniper Networks Documentation
NEW QUESTION # 47
Which two Mist-supported APIs are considered event-driven? (Choose two.)
- A. RESTful
- B. gRPC
- C. Webhook
- D. WebSocket
Answer: C,D
NEW QUESTION # 48
Which administrator role must you have to view audit logs?
- A. Super User
- B. Observer
- C. Network Admin
- D. Installer
Answer: C
NEW QUESTION # 49
Which statement Is correct about the SLE dashboard?
- A. SLEs are displayed as a percentage of failure and classifiers are displayed as a percentage of success.
- B. Both SLEs and classifiers are displayed as a percentage of success.
- C. Both SLEs and classifiers are displayed as a percentage of failure.
- D. SLEs are displayed as a percentage of success and classifiers are displayed as a percentage of failure.
Answer: B
Explanation:
Service Level Expectations (SLEs): In Mist's SLE dashboard, SLEs are shown as a percentage of success. This indicates how well the network is meeting the predefined performance metrics, such as throughput, capacity, and coverage (CertsHero).
Classifiers: Classifiers, which help in diagnosing issues by breaking down SLEs into specific causes, are also displayed as a percentage of success. This unified view aids in quickly identifying areas that need improvement and ensures consistent monitoring (CertsHero).
Reference:
Juniper Networks Documentation
NEW QUESTION # 50
What is an 802.11 management frame transmitted by an AP?
- A. beacon
- B. echo request
- C. ping
- D. keepalive
Answer: A
Explanation:
Reference: https://howiwifi.com/2020/07/13/802-11-frame-types-and-formats
NEW QUESTION # 51
Referring to the exhibit, what do you determine about the site's Time to Connect SLE metric?
- A. Time to Connect Association DHCP failures impacted 80% of users.
- B. Eighty percent of the Time to Connect failures are related to DHCP failures
- C. All clients cannot connect to the Internet.
- D. Successful connect averaged 1.6 seconds.
Answer: B
NEW QUESTION # 52
Which users have rights to invite new administrator to a Mist organization?
- A. network admin user only
- B. users with the 'invite Admin" permission
- C. any user with an organization account
- D. super user only
Answer: B
Explanation:
* In Mist organizations, only users who have been granted the "invite Admin" permission have the rights to invite new administrators.
* This permission is specifically assigned to control who can add new administrators, ensuring that only authorized personnel can extend administrative access.
* Managing permissions effectively helps maintain the security and integrity of the organization's network management.
* Reference: Juniper Networks documentation on user roles and permissions within Mist organizations.
NEW QUESTION # 53
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