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Juniper JN0-251 certification exam is intended for network administrators, wireless engineers, and other IT professionals who have experience working with Juniper Mist AI technology. It is a valuable credential for individuals who want to enhance their career prospects and demonstrate their expertise in Mist AI technology to potential employers. Mist AI, Associate (JNCIA-MistAI) certification exam is a globally recognized credential that is accepted by organizations across the world.
NEW QUESTION # 18
You have just brought online a new site of AP43s. While verifying that everything looks good, you notice that all of the access points (APs) are reporting "insufficient power." The APs are connected to an 802. 3at-capable switch.
In this scenario, what would be the cause of the error?
- A. LLDP-MED is not configured on the switch.
- B. The APs' firmware must be upgraded.
- C. The Ethernet cable is plugged into the wrong port on the AP.
- D. The cable run to each AP is too long.
Answer: A
Explanation:
AP43s require PoE+ or 802.3at power to operate properly, which is 25.5 W at the switch port. However, some Cisco switches do not provide more than 802.3af power (15.4 W) unless negotiated via CDP or LLDP-MED. LLDP-MED is a protocol that allows devices to exchange information about their power requirements and capabilities. If LLDP-MED is disabled on the switch, the AP43s will not receive enough power and will show the insufficient power warning on the Mist UI12.
Therefore, to fix the error, you need to enable LLDP-MED on the switch or on the specific interfaces that connect to the AP43s. Alternatively, you can assign AT power to the AP43s manually on the switch. You can find more details on how to configure LLDP-MED on Cisco switches [here].
NEW QUESTION # 19
Which Mist location-based feature would be used for wayfinding?
- A. Asset Visibility
- B. vBLE Engagement
- C. Wi-Fi 6
- D. Wi-Fi Location
Answer: B
Explanation:
The Mist location-based feature that would be used for wayfinding is the vBLE Engagement. This feature leverages the directional virtual Bluetooth Low Energy (vBLE) arrays in the Mist Access Points to provide accurate and scalable indoor location services. The vBLE Engagement feature enables use cases such as wayfinding, proximity notifications, asset tracking, and analytics.
Wayfinding is the ability to guide users to their desired destination within an indoor environment, such as a mall, airport, hospital, or campus. Wayfinding requires a mobile app that integrates the Mist SDK and a floor plan that defines the wayfinding paths. The app can show the user's current location as a blue dot on the map and provide turn-by-turn navigation instructions based on the user's destination.
NEW QUESTION # 20
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 and all Mist management GUI functionality remains available to the user.
- C. 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.
- D. Devices retain their configurations but the Mist user is prevented from accessing the Mist management GUI.
Answer: A
NEW QUESTION # 21
In the Mist Access Point portfolio, which dedicated device would be used in location-based services (LBS)?
- A. AP34
- B. AP12
- C. AP32
- D. BT11
Answer: D
Explanation:
Reference:
According to the Mist Access Points page, the BT11 is a dedicated device for location-based services (LBS) in the Mist Access Point portfolio1. The BT11 is a battery-powered Bluetooth Low Energy (BLE) beacon that can be used to enhance the accuracy and reliability of indoor location services1. The BT11 can be placed in areas where Mist APs are not available or where additional BLE coverage is needed1. The BT11 can be managed by the Mist cloud and integrated with the Mist AI platform for analytics and automation1.
NEW QUESTION # 22
Which statement is correct about Mist SLEs?
- A. A Mist SLE is comprised of a single classifier.
- B. A Mist classifier is comprised of a single SLE.
- C. A Mist SLE is comprised of multiple classifiers.
- D. A Mist classifier is comprised of multiple SLEs.
Answer: B
NEW QUESTION # 23
Mist Insights will provide detailed information about which two categories? (Choose two.)
- A. AP
- B. Organization
- C. Client
- D. Templates
Answer: B,D
NEW QUESTION # 24
You are inviting a new administrator into a Mist organization.
In this scenario, which two roles are valid? (Choose two.)
- A. Installer
- B. Observer
- C. Custom
- D. Advanced
Answer: A,B
Explanation:
Reference:
You are inviting a new administrator into a Mist organization. In this scenario, the two roles that are valid are Observer and Installer. These are two of the predefined administrator roles that Mist offers for different levels of access and permissions. You can assign these roles to the new administrator when you invite them to join your organization.
The Observer role is a read-only role that allows the administrator to view and monitor the sites that they have access to. The Observer role can see the site-level features, such as monitor, clients, access points, location, analytics, and network. However, they cannot configure or modify any organization-level features or claim APs.
The Installer role is a minimal role that allows the administrator to perform the initial installation tasks for the sites that they have access to. The Installer role can claim APs, assign APs to sites, or place APs on maps. However, they cannot unclaim or remove APs from the organization. They also cannot access the native Admin UI and have to use the API or the Mist AI App.
NEW QUESTION # 25
Which administrator role is based on a timed grace period for Mist site and AP configuration access?
- A. Installer
- B. Network Admin
- C. Observer
- D. Helpdesk
Answer: A
NEW QUESTION # 26
You just received the newest Mist AP and want to enable a feature that is only available at this time on Release Candidate 1.
In this scenario, using the Mist GUI, where would you determine which version of Release Candidate 1 is available for your AP?
- A. Support Tickets and Documentation -> Mist Edge Updates
- B. Support Tickets and Documentation -> Firmware Updates
- C. Support Tickets and Documentation -> Ports & Endpoints
- D. Support Tickets and Documentation -> Feature Updates
Answer: B
Explanation:
Reference:
If you want to enable a feature that is only available on Release Candidate 1, you need to upgrade your AP to the latest firmware version that supports that feature. To do that, you can use the Firmware Upgrade feature in the Mist GUI, which allows you to automatically or manually upgrade multiple APs on your site1. To find out which version of Release Candidate 1 is available for your AP, you can go to Support Tickets and Documentation -> Firmware Updates in the Mist GUI. There, you will see a list of the latest firmware versions for different AP models, along with the release notes and the features they support2. You can also use the ? mark in the upper right of the UI to see the latest firmware and previous production releases1. You can then select the desired firmware version from the dropdown menu and start the upgrade process1.
NEW QUESTION # 27
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 sends probe traffic through the cable connections.
- C. It performs cable tests.
- D. It monitors SNMP trap information.
Answer: C
Explanation:
Reference:
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NEW QUESTION # 28
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 sends probe traffic through the cable connections.
- C. It performs cable tests.
- D. It monitors SNMP trap information.
Answer: C
Explanation:
According to the Switch Testing Tools page, one of the features that Mist with Wi-Fi Assurance provides is the ability to run a cable test on the port provided1. This can help monitor the connection health of the cable on your specified port1. The cable test can show the length of the cable, the status of each pair, and any faults detected1. This feature can be accessed from the Utilities dropdown menu on the Switches page in the Mist dashboard1. The other options are not correct because they are not related to detecting a bad cable connected to an AP. SNMP trap information is a way of sending alerts from network devices to a management system. Probe traffic is a way of measuring network performance by sending packets between endpoints. Machine learning is a way of applying artificial intelligence to analyze data and learn from it.
NEW QUESTION # 29
Mist cloud supports single sign-on in which two scenarios? (Choose two.)
- A. Wi-Fi guest login access
- B. account login used for the RESTful API
- C. admin login to the Mist portal
- D. account login used for NETCONF
Answer: A,B
NEW QUESTION # 30
Which administrator role must you have to view audit logs?
- A. Network Admin
- B. Installer
- C. Observer
- D. Super User
Answer: A
Explanation:
According to the web search results, the administrator role that you must have to view audit logs is Network Admin. Audit logs are records of the actions and changes that occur on the Mist platform, such as configuration updates, firmware upgrades, device claims, or user logins1. Audit logs can help network administrators monitor, troubleshoot, and audit their network by providing information such as the date, time, user, site, device, and description of each action1.
According to the Administrator Roles page, there are five types of roles that can be assigned to users in a Mist organization: Super User, Network Admin, Helpdesk, Observer, and Installer2. Each type of role has different read and write capabilities for the organization and its sites2. Network Admin is one of the roles that can view audit logs, as it has limited read/write access to all sites under the organization and can access organization-level features such as Audit Logs and Inventory2. Network Admin can also open/update support tickets from the GUI2.
NEW QUESTION # 31
Which two methods are supported for configuring a Mist environment? (Choose two.)
- A. Use the CLI.
- B. Use the API.
- C. Use the GUI.
- D. Use NETCONF.
Answer: B,C
Explanation:
Reference:
According to the Juniper Networks documentation, there are two methods that are supported for configuring a Mist environment: using the API and using the GUI1. The API is a programmatic interface that allows you to interact with the Mist cloud and perform various tasks, such as creating and managing organizations, networks, sites, devices, users, and policies2. The API uses the RESTful architecture and supports JSON and XML formats2. You can use the API to automate and customize your Mist environment according to your needs2.
The GUI is a graphical user interface that allows you to access and manage your Mist environment through a web browser1. The GUI provides a user-friendly and intuitive way to configure and monitor your Mist devices, networks, sites, users, and policies3. The GUI also provides various features, such as dashboards, reports, analytics, insights, troubleshooting tools, and Marvis virtual network assistant3. You can use the GUI to easily and quickly set up and optimize your Mist environment3.
NEW QUESTION # 32
Which Mist AI feature would help you to troubleshoot a client's failed authentication?
- A. live view
- B. dynamic packet capture
- C. WLAN profile
- D. client dashboard
Answer: B
Explanation:
Dynamic packet capture is a Mist AI feature that allows you to capture packets from a specific client or AP without having to log in to the device or use a separate tool1. This feature can help you troubleshoot a client's failed authentication by providing detailed information about the authentication process, such as the EAP type, the RADIUS server, the certificate validation, and the error codes2. You can access the dynamic packet capture feature from the client dashboard or the live view in the Mist cloud portal1. You can also use the Marvis virtual network assistant to initiate a packet capture by using the command "troubleshoot client <mac-address>"3.
NEW QUESTION # 33
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Juniper JN0-251 (Mist AI, Associate (JNCIA-MistAI)) Exam is a certification test that evaluates the skills and knowledge of network engineers in deploying, configuring, and managing Juniper AI-driven wireless networks. JN0-251 exam is designed for individuals who have a basic understanding of networking concepts and who want to specialize in wireless networks powered by artificial intelligence.
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