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Free JN0-451 Exam Braindumps

Click the Exhibit button.



Referring to the exhibit, which statement is correct about the Post-Install user's role?

  1. It is used for help desk monitoring and workflow for all sites.
  2. It has access limited to installing APs and switches at all sites.
  3. It has read-only access to all sites.
  4. It has full access to all sites.

Answer(s): B

Explanation:

the Post-Install user role is also known as Installer role, which has a minimum level of access to the org, sites, and APs. It can do the initial installation such as claim AP to Org, assign/unassign AP, or place on map, etc., but cannot unclaim or remove the AP from the Org. Site and AP access is allowed based on timed grace period and/or explicit site access. https://www.mist.com/documentation/mist-ai-mobile-app/



Click the Exhibit button.



A user opened a ticket. Upon troubleshooting, you determine that frequent roaming is the root cause of the problem.
Referring to the exhibit, which statement describes the roaming issue that the client is experiencing?

  1. There are frequent roams between different protocols.
  2. There are frequent roams between different bands.
  3. There are frequent roams between different WLANs.
  4. There are frequent roams between different access points.

Answer(s): D

Explanation:

The exhibit shows a graph of the client's roaming history over time. The x-axis represents the time and the y-axis represents the access point ID. Each dot on the graph indicates a roam event where the client switched from one access point to another. The graph shows that the client roamed between different access points multiple times within a short period of time. This indicates that the client was experiencing frequent roams between different access points, which could affect its network performance and user experience.



A user with a PSK calls you and says, "The Wi-Fi worked for a week and now it does not work." There have not been any recent configuration changes to the network. You suspect that a time-based setting has reset the key.
In this scenario, where would you begin troubleshooting?

  1. Site-level Pre-Shared Keys
  2. Organization-level Pre-Shared Keys
  3. WLAN-level Pre-Shared Keys
  4. RADIUS Pre-Shared Keys

Answer(s): C

Explanation:

In this scenario, you would begin troubleshooting by checking the WLAN-level Pre-Shared Keys. According to the Cisco Catalyst 9800 Series Wireless Controller Software Configuration Guide1, you can configure a time-based setting for WLAN-level Pre-Shared Keys (PSKs) that will reset the key after a specified interval. This feature is useful for enhancing security and preventing unauthorized access. If a user reports that the Wi-Fi worked for a week and now it does not work, you should check the WLAN-level PSK settings and see if the key has been changed.


Reference:

https://www.cisco.com/c/en/us/td/docs/wireless/controller/9800/17-2/config- guide/b_wl_17_2_cg/wlan-level-psk.html



Asset tracking using Mist-supported third-party BLE beacons has been installed in a warehouse. The BLE beacons were configured using their manufacturer-supplied configuration utility and BLE was properly configured for the site settings.
When the warehouse floor plan is opened in Live View, the third-party beacons are not shown.
Which two statements describe causes for this issue? (Choose two.)

  1. The Show assets check box has not been selected in Live View.
  2. Marvis was not enabled for the site.
  3. The Locate this Client as an Asset check box has not been selected at the BLE client level.
  4. The APs are installed at 19 feet from the floor, above the recommended 15 feet.

Answer(s): A,C

Explanation:

According to the Mist documentation1, asset tracking is a service that allows you to find key assets and people with detailed analytics based on their location using Mist-supported third-party BLE beacons. To enable asset tracking, you need to configure both the BLE beacons and the Mist cloud settings.
The Show assets check box is a setting in Live View that allows you to display or hide the assets on

the floor plan2. If this check box is not selected, you will not be able to see the third-party beacons on Live View.
The Locate this Client as an Asset check box is a setting at the BLE client level that allows you to treat a BLE client as an asset for location purposes3. If this check box is not selected, you will not be able to track the BLE client as an asset.






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