Juniper Juniper Certification JN0-451 Questions & Answers

• Question 1:

  Click the Exhibit button.

  

  Referring to the exhibit, which percentage of connection attempts failed on the access point named LD_RS_Support?

  A. 37

  B. 86

  C. 63

  D. 46

  Correct Answer: B

• Question 2:

  What are three available rate limiting options in the Mist UI? (Choose three.)

  A. Network

  B. Application

  C. wLan

  D. Per-Client

  E. Per-Site

  Correct Answer: BCD

  Reference: https://www.mist.com/documentation/wlan-rate-limiting/

• Question 3:

  Which Wireless Assurance SLE provides information on whether a user is able to associate to the WLAN?

  A. Successful Connect

  B. Capacity

  C. Roaming

  D. Throughput

  Correct Answer: A

• Question 4:

  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.)

  A. The Show assets check box has not been selected in Live View.

  B. Marvis was not enabled for the site.

  C. The Locate this Client as an Asset check box has not been selected at the BLE client level.

  D. The APs are installed at 19 feet from the floor, above the recommended 15 feet.

  Correct Answer: AC

• Question 5:

  You are asked to forward event messages from Mist to an external log collector.

  In this scenario, which feature would enable this capability?

  A. syslog

  B. webhooks

  C. NETCONF

  D. SNMP traps

  Correct Answer: B

• Question 6:

  What information would be streamed through webhooks? (Choose two.)

  A. location coordinates of RFID tags

  B. alerts

  C. SLE metrics of clients

  D. audit logs

  Correct Answer: AD

  Reference: https://www.mist.com/documentation/webhooks/

  Click the Exhibit button.

  

  Referring to the exhibit, what is the meaning of the AI VALIDATED status update?

  A. The issue was opened and is unresolved.

  B. The issue was opened and Marvis confirms it has been closed.

  C. The issue was opened and Marvis has closed it.

  D. The issue was opened and closed manually.

• Question 7:

  What do 802.11 stations perform to help avoid collisions on the WLAN medium?

  A. 802.11 stations detect collisions and set a back-off timer.

  B. Listen to verify that the medium is free before transmitting.

  C. Stations only transmit when polled by the access point.

  D. Transmit on a fixed schedule.

  Correct Answer: B

  Reference: https://blogs.arubanetworks.com/industries/understanding-802-11-medium- contention/

• Question 8:

  Click the Exhibit button.

  

  Referring to the exhibit, which statement is true?

  A. The WLAN is configured to use DFS channels.

  B. The WLAN is configured to only broadcast on the 2.4 GHz spectrum.

  C. The WLAN is configured with the high-density data rate setting enabled.

  D. The WLAN is configured to use geofencing.

  Correct Answer: A

• Question 9:

  Which Wireless Assurance SLE provides information on Opportunistic Key Caching (OKC)?

  A. Time to Connect

  B. Roaming

  C. Coverage

  D. Capacity

  Correct Answer: B

  Reference: https://www.mist.com/documentation/service-level-expectations-sle/

• Question 10:

  Which two statements are correct about Juniper Mist Dynamic Packet Capture? (Choose two.)

  A. No configuration is necessary for Mist's Dynamic Packet Capture.

  B. It is automatically attached to a client event displayed on the Insights page.

  C. It must be globally configured at the organization level.

  D. It is automatically attached to the Affected Items list in the Successful Connects SLE.

  Correct Answer: AB