Juniper JNCIS-MistAI JN0-450 Questions & Answers

• Question 1:

  Which encryption protocol is used with WPA2?

  A. AES

  B. DES

  C. RC4

  D. RSA

  Correct Answer: A

  Reference: https://www.pandasecurity.com/en/mediacenter/security/wpa-vs- wpa2/#:~:text=WPA2%20is% 20an%20updated%20version,or%20not%20work%20at%20al l

• Question 2:

  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 3:

  Users at a branch site are complaining of a slow performing network and your team suspects the issue may be the new network-attached video camera system. You need to monitor the amount of traffic that a specific device has generated over the past week. In this scenario, where in the Mist dashboard would you accomplish this task?

  A. Clients -> App Clients -> select Client Device

  B. Monitor -> Insights -> select Client Device

  C. Marvis -> type in name of client

  D. Analytics -> Events

  Correct Answer: B

  Reference: https://www.mist.com/documentation/checking-the-activity-log-of-a-client/

• Question 4:

  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 5:

  How is Mist BLE location calculated?

  A. relationships with specific tag vendors

  B. tightly coupled software between the SDK client and the arrays

  C. probability surface with machine learning

  D. triangulation

  Correct Answer: C

  Reference: https://www.mist.com/documentation/location-how-it-works/

• Question 6:

  You want to force a guest portal user to re-authenticate to the wireless LAN. Using the Mist UI, which command will accomplish this task?

  A. release AP

  B. reconnect

  C. auto upgrade

  D. reauthorize

  Correct Answer: B

  Reference: https://www.mist.com/documentation/difference-reconnect- reauthorize/#:~:text=Almost%20all %20devices%20connect%20right,only%20to%20already %20authorized%20guests.andtext=Then%2C% 20only%20guests%20who%20know,to%20us e%20the%20guest%20WLAN

• Question 7:

  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 8:

  Which two statements are correct about choosing your Wi-Fi AP's channel? (Choose two.)

  A. When channels are the same, APs will not interfere with one another and cause retransmissions.

  B. Adding another nearby AP on the same channel adds additional capacity for that channel.

  C. Adding another nearby AP on the same channel does not increase the capacity for that channel.

  D. When channels overlap, APs will interfere with one another and cause retransmissions.

  Correct Answer: CD

  Reference: https://www.networkworld.com/article/2215287/coping-with-wi-fi-s-biggest- probleminterference.html

• Question 9:

  Referring to the exhibit, what are two reasons why a Mist AP would have multiple IP addresses? (Choose two.)

  

  A. One IP address is used for control traffic and one address is used for management traffic.

  B. The Local Status Page is enabled in the site settings.

  C. One IP address is used for redundancy.

  D. A guest portal is configured on a tagged VLAN.

  Correct Answer: BD

  Reference: https://www.mist.com/documentation/aps-use-ip-addresses/

• Question 10:

  What is the purpose of an SSID?

  A. to identify a unique WLAN

  B. to identify a unique VLAN

  C. to identify a unique APPROACH

  D. to identify a unique organization

  Correct Answer: A

  Reference: https://www.lifewire.com/definition-of-service-set-identifier-816547