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Juniper JN0-252 Exam Syllabus Topics:
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NEW QUESTION # 31
Which users have rights to invite new administrator to a Mist organization?
- A. users with the 'invite Admin" permission
- B. any user with an organization account
- C. super user only
- D. network admin user only
Answer: A
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 # 32
Which statement is correct about Mist AP packet capture?
- A. You can configure a wired or wireless packet capture manually.
- B. You can only trigger wired or wireless packet captures dynamically.
- C. You can only configure wired packet captures manually.
- D. You can only configure wireless packet captures manually.
Answer: A
NEW QUESTION # 33
A user 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 UI. You want to ensure that in the future, you receive an alert when a switch interface is down. You have already verified that the Critical Switch Port Down alarm is configured and enabled on the Alerts Configuration page.
In this scenario, which action in the Mist UI will satisfy the requirement?
- A. Navigate to the switch in the Mist UI and modify the Port Configuration to enable the Up/Down Port Alerts setting for the interface.
- B. Navigate to the switch in the Mist UI 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. Disable the Critical Switch Port Down alarm on the Alerts Configuration page.
Answer: A
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.
NEW QUESTION # 34
You are asked to bring Mist APs online for your organization. In this situation, which port must be allowed on your company's firewall for AP access to the Mist cloud?
- A. TCP/80
- B. UDP/22
- C. TCP/443
- D. UDP/1812
Answer: C
Explanation:
Reference: https://www.mist.com/documentation/ports-enable-
firewall/#:~:text=Mist%20APs%20need%20the%20following,be%20a%20public%20DNS%20serv er
NEW QUESTION # 35
..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. Enable the Critical Switch Port Up 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. Disable the Critical Switch Pott Down 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 # 36
What does The "Exceeded" status mean for a subscription?
- A. The subscription has been cancelled.
- B. The subscription Is nesting its expiration date.
- C. The allowed usage within the subscription has been surpassed.
- D. The subscription exceeds the number of maximum allowable APs.
Answer: C
Explanation:
* The "Exceeded" status for a subscription means that the allowed usage defined within the subscription has been surpassed.
* This typically refers to exceeding limits such as the number of devices, data usage, or other metrics specified in the subscription plan.
* Exceeding these limits may require action such as upgrading the subscription plan to accommodate the additional usage.
* Reference: Juniper Networks documentation on subscription status and management.
NEW QUESTION # 37
..are troubleshooting a wireless authentication problem.
Which two Mist features would help you in this scenario? (Choose two.)
- A. access point events
- B. audit logs
- C. packer capture
- D. client events
Answer: C,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 # 38
You want to troubleshoot a wireless client that is no longer connected to a Mist AP.
Which area within the Mist GUI would you use?
- A. Organization -> Audit Logs
- B. Monitor -> Service Levels -> Insights
- C. Clients -> App Clients
- D. Clients -> WiFi Clients
Answer: D
Explanation:
To troubleshoot a wireless client that is no longer connected to a Mist AP, you would navigate to the "Clients" section within the Mist GUI and select "WIFI Clients." This area provides detailed information about all wireless clients that have connected to the Mist APs, including their connection history, performance metrics, and any issues encountered. By examining the data available in the WIFI Clients section, network administrators can identify the root cause of connectivity problems and take appropriate actions to resolve them.
NEW QUESTION # 39
What is the minimum administrator role needed to invite a user to be an administrator of an organization?
- A. network admin
- B. helpdesk
- C. super user
- D. installer
Answer: C
NEW QUESTION # 40
What are two benefits of Juniper Mist Wired Assurance? (Choose two.)
- A. It is the only way to configure Virtual Chassis settings for Juniper EX switches.
- B. Configuration settings for multi-gig access ports that are not available in the Junos CLI
- C. Support for ZTP.
- D. Ability to deploy campus fabric architectures in minutes based on intent.
Answer: D
Explanation:
* Juniper Mist Wired Assurance provides several benefits aimed at simplifying network management and enhancing performance.
* B. Ability to deploy campus fabric architectures in minutes based on intent: Wired Assurance leverages automation and intent-based networking to quickly deploy and manage complex campus fabric architectures. This feature significantly reduces the time and effort required to set up and maintain such networks.
* C. Support for ZTP (Zero Touch Provisioning): Wired Assurance includes ZTP capabilities, which allow for the automatic provisioning and configuration of switches as soon as they are connected to the network. This reduces the need for manual intervention and speeds up the deployment process.
* These features are part of a broader suite of tools that Wired Assurance provides to streamline network operations, improve reliability, and enhance visibility into network performance.
* Reference: Juniper Networks documentation on Wired Assurance features and capabilities.
NEW QUESTION # 41
Which two statements about WLAN templates are correct? (Choose two.)
- A. They can be deployed to a certain switch.
- B. They can be deployed to a policy.
- C. They can be deployed to the whole organization.
- D. They can be deployed to a certain site.
Answer: C,D
Explanation:
WLAN Templates Overview: WLAN templates in Mist AI are used to standardize and manage wireless configurations across multiple locations and devices. They help in maintaining consistent wireless settings and policies throughout the network.
Deployment to the Whole Organization: WLAN templates can indeed be deployed at the organization level. This allows the configurations defined in the template to be applied across all sites and access points within the organization. This approach simplifies the management and ensures uniformity across the network (Juniper Networks) (CertEnsure).
Deployment to a Certain Site: WLAN templates can also be applied to specific sites. This is useful for organizations with multiple sites having unique wireless requirements. By applying templates at the site level, administrators can tailor configurations to meet local needs while still maintaining control through central management (CertEnsure).
Incorrect Options:
Deployed to a Switch: WLAN templates are not deployed to individual switches. They are specific to wireless configurations and thus pertain to access points and wireless settings.
Deployed to a Policy: While policies can be part of WLAN configurations, templates themselves are not deployed directly to policies. Policies are typically components within the templates.
Reference:
Juniper Networks Documentation: WLAN Templates
NEW QUESTION # 42
What is the maximum number of nodes supported in a Mist Edge high availability cluster?
- A. unlimited nodes
- B. three nodes
- C. ten nodes
- D. two nodes
Answer: B
Explanation:
* The maximum number of nodes supported in a Mist Edge high availability cluster is three.
* This configuration ensures high availability and redundancy, providing resilience and reliability for network operations.
* By having three nodes, the cluster can continue to operate effectively even if one node fails, ensuring minimal disruption.
* Reference: Juniper Networks documentation on Mist Edge high availability cluster configurations.
NEW QUESTION # 43
What Is the maximum number of Mist Edge devices supported for high availability?
- A. A maximum of 16 Mist Edge devices ate supported.
- B. A maximum of two Mist Edge devices ate supported.
- C. A maximum of three Mist Edge devices are supported.
- D. An unlimited number of Mist Edge devices are supported.
Answer: B
Explanation:
The maximum number of Mist Edge devices supported for high availability is two. This ensures that there is a backup device in place to take over in case the primary device fails, providing redundancy and maintaining network stability.
Reference:
Mist Edge Configuration Guide
Juniper Networks Mist Edge FAQs
NEW QUESTION # 44
Which operation does an HTTP POST perform?
- A. delete
- B. write
- C. create
- D. read
Answer: C
Explanation:
An HTTP POST operation performs the "create" function in web communications. This method sends data to a server to create a new resource. For example, when you submit a form on a website, the data is sent to the server using a POST request, which then creates a new entry in the database.
Reference:
Juniper HTTP Methods Documentation
Web Development Basics
NEW QUESTION # 45
How does Mist determine the location of clients in an Indoor setting?
- A. triangulation
- B. trilateration
- C. GPS
- D. probability surface
Answer: B
Explanation:
* Understanding Location Determination in Mist:
Mist uses advanced methods to determine the location of clients in an indoor setting.
* Possible Methods:
Triangulation: Uses angles to determine position, but not typically used by Mist.
GPS: Not feasible indoors due to signal limitations.
Probability Surface: Involves calculating the probability of a client's location, but not the primary method used.
Trilateration: Uses the distance from multiple known points to determine the exact location.
* Mist's Method:
Mist primarily uses trilateration to determine the location of clients by measuring the distance from at least three access points.
NEW QUESTION # 46
Mist Radio Resource Management makes dynamic changes to which resource?
- A. channel
- B. channel width
- C. RF template
- D. BLE channel
Answer: A
NEW QUESTION # 47
In the Mist UI, which part of the system platform provides information about missing VLANs?
- A. Switch Insights
- B. Marvis Actions
- C. Events
- D. Service-Level Exceptions
Answer: B
Explanation:
System Platform Components in Mist UI:
Different components provide various insights and information about the network.
Component Descriptions:
Switch Insights: Provides detailed information about switch performance and status. Events: Logs and displays events occurring in the network but does not specifically highlight missing VLANs.
Marvis Actions: AI-driven insights and recommendations that include identifying and suggesting actions for missing VLANs.
Service-Level Exceptions (SLEs): Monitor and report on performance metrics, not specifically focused on VLAN issues.
NEW QUESTION # 48
What happens when Mist subscriptions expire?
- A. Devices retain their configurations but Mist management GUI functionality related to expired subscriptions are not configurable by the user.
- B. Devices retain their configurations for 90 days; if the subscriptions are not renewed, the configuration is deleted and the devices are reset to factory default.
- C. Devices retain their configurations and all Mist management GUI functionality remains available to the user.
- D. Devices retain their configurations but the Mist user is prevented from accessing the Mist management GUI.
Answer: A
NEW QUESTION # 49
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