Juniper Juniper Certification JN0-451 Questions & Answers

• Question 11:

  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?

  A. There are frequent roams between different protocols.

  B. There are frequent roams between different bands.

  C. There are frequent roams between different WLANs.

  D. There are frequent roams between different access points.

  Correct Answer: D

• Question 12:

  You are the only tenant in a building that has Wi-Fi. At times, the Wi-Fi network appears to be slow and you want to determine if the microwave oven is causing an issue because it is used throughput the day. Which SLE metric and classifier should you look at to determine the issue?

  A. throughput/network issues

  B. capacity/wifi interference

  C. throughput/coverage

  D. capacity/non-wifi interference

  Correct Answer: D

  Reference: https://www.mist.com/documentation/radio-management-event-types/

• Question 13:

  Which two terms correctly describe transmissions over Wi-Fi? (Choose two.)

  A. shared medium

  B. half-duplex

  C. full-duplex

  D. point-to-point medium

  Correct Answer: AC

• Question 14:

  Which two statements are correct about the radio frequency rule of 10s and 3s? (Choose two.)

  A. If the signal strength increases by 3 dB, the power is doubled.

  B. If the signal strength decreases by 10 dB, the power decreases tenfold.

  C. If the signal strength increases by 3 dB, the power is tripled.

  D. If the signal strength decreases by 10 dB, the power is halved.

  Correct Answer: BD

• Question 15:

  Regarding roaming, which device determines when it is time to connect to another AP?

  A. the gateway router

  B. the client device

  C. the primary AP

  D. the current AP

  Correct Answer: B

• Question 16:

  All the access points (APs) on the site will obtain an IP address for the Management VLAN. You notice an additional IP address for each configured VLAN on the AP.

  Which statement is correct in this scenario?

  A. The AP is configured to support wireless mesh.

  B. This behavior is enabled by default under the Site configuration.

  C. The Local Status Page has been enabled in the AP setting under the Site configuration.

  D. The AP MAC has a DHCP reservation.

  Correct Answer: B

• Question 17:

  Referring to the exhibit, what is the site ID?

  

  A. 9777c1a0-6ef6-11e6-8bbf-02e208b2d34

  B. 02e208b2d34

  C. 02e208b2d34f

  D. 978c48e6-6ef6-11e6-8bbf-02e208b2d34f

  Correct Answer: D

  Reference: https://www.mist.com/documentation/find-org-site-id/

• Question 18:

  Click the Exhibit button.

  

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

  A. The WLAN with SSID Eero1234 is not configured to industry best practices.

  B. The WLAN with SSID Eero1234 is configured to industry best practices.

  C. The WLAN with SSID NETGEAR24 is not configured to industry best practices.

  D. The WLAN with SSID NETGEAR24 is configured to industry best practices.

  Correct Answer: AC

• Question 19:

  You are deploying multiple Mist APs across many sites in your network. You must ensure that you apply consistent WxLAN and WLAN policies across all sites within the same organization. Which configuration object should be used to accomplish this behavior?

  A. site labels

  B. an RF template

  C. a device profile

  D. a config template

  Correct Answer: B

  Reference: https://www.juniper.net/documentation/en_US/junos-space-apps/network- director4.0/topics/concept/wireless-rogue-ap.html

• Question 20:

  Which two Mist Aps would be used for BLE location? (Choose two.)

  A. AP12

  B. AP33

  C. AP32

  D. AP43

  Correct Answer: BD