Juniper Juniper Certifications JN0-451 Questions & Answers

• Question 51:

  Your organization has recently purchased new VoIP handsets. All of the VoIP handsets fail to connect to the corporate WLAN. However, all other devices connect successfully. You expect that there might be a bug with the new handsets. The vendor asks you to provide a pcap file of the handsets' connection attempts.

  Which Juniper Mist feature will provide this file?

  A. Dynamic Packet Capture

  B. Service Level Expectations

  C. Clients Insights

  D. Alerts dashboard

  Correct Answer: A

• Question 52:

  What is meant when a Marvis Action is shown as "AI Validated"?

  A. The issue which triggered an alert has been set to Resolved status.

  B. Marvis has observed a new issue.

  C. Marvis has observed a recurring issue.

  D. Marvis has observed an issue that is no longer present.

  Correct Answer: D

  Reference: https://www.mist.com/documentation/what-is-marvis-actions/

• Question 53:

  Click the Exhibit button.

  

  Referring to the exhibit, which two statements are correct? (Choose two.)

  A. The WLAN with SSID NETGEAR24 will cause adjacent channel interference.

  B. The WLAN with SSID Bob24WiFi will cause adjacent channel interference.

  C. The WLAN with SSID Verizon-5G_Tuna will cause adjacent channel interference.

  D. The WLAN with SSID Eero1234 will cause adjacent channel interference.

  Correct Answer: AD

• Question 54:

  Referring to the exhibit, you asked Marvis to troubleshoot a client. In this scenario, what did Marvis determine?

  

  A. two authentication failures over this week

  B. two DHCP failures today

  C. DHCP errors over the past seven days

  D. two authentication failures today

  Correct Answer: A

  Reference: https://www.mist.com/documentation/mist-experience-marvis-client/

• Question 55:

  What is the impact of adding more SSIDs to a radio?

  A. beacon overhead

  B. less secure

  C. less BSSIDs reserved for a mesh network

  D. channel overlap

  Correct Answer: D

• Question 56:

  In which two layers of the OSI model are WLANs located? (Choose two.)

  A. Network

  B. Transport

  C. Physical

  D. Data Link

  Correct Answer: CD

  Reference: https://www.controleng.com/articles/wi-fi-and-the-osi-model/

• Question 57:

  A customer is replacing their previous WLAN controller with a Mist Edge to maintain centralization of user traffic. How does Mist Edge affect control plane forwarding and data plane forwarding in this scenario?

  A. Control plane forwarding applies to the Mist Cloud and data plane forwarding applies to the Mist Edge.

  B. Control plane forwarding applies to the Mist Edge and data plane forwarding applies to the Mist Edge.

  C. Control plane forwarding applies to the Mist Cloud and data plane forwarding applies to the Mist Cloud.

  D. Control plane forwarding applies to the Mist Edge and data plane forwarding applies to the Mist Cloud.

  Correct Answer: D

  Reference: https://www.mist.com/wp-content/uploads/Mist-Edge-General-Config-Guide- 1.pdf

• Question 58:

  What happens first when a client requests to join a WLAN?

  A. 802. 11 authentication

  B. ARP request

  C. 802.11 association

  D. DHCP discovery

  Correct Answer: A

  Reference: https://netbeez.net/blog/how-wifi-connection-works/

• Question 59:

  Click the Exhibit button.

  

  Referring to the exhibit, as part of the Throughput SLE in the Mist UI, the Coverage classifier indicates the signal strength of which device?

  A. the AP's radio strength

  B. the signal strength between APs

  C. the client

  D. the AP's radio for a single SSID

  Correct Answer: C

• Question 60:

  RF templates are assigned to which Mist configuration object?

  A. config templates

  B. site groups

  C. WLANs

  D. sites

  Correct Answer: A