Juniper Juniper Certification JN0-251 Questions & Answers

• Question 1:

  You want to review client information about a specific AP. In this scenario, where in the UI would you look?

  A. Access Points

  B. AP Insights

  C. Client Insights

  D. SLEs

  Correct Answer: C

• Question 2:

  A Mist mesh network supports up to how many hops?

  A. 1 hop

  B. 2 hops

  C. 3 hops

  D. 4 hops

  Correct Answer: D

• Question 3:

  You want to determine where you have coverage issues in your network using Marvis Actions. Which Marvis Action category should you use in this situation?

  A. Connectivity

  B. Application

  C. Clients

  D. AP

  Correct Answer: A

• Question 4:

  Which protocol does the REST API use?

  A. syslog

  B. SNMP

  C. HTTP

  D. SSL

  Correct Answer: C

  Reference: https://www.juniper.net/documentation/us/en/software/junos/rest-api/topics/concept/rest-api-overview.html

• Question 5:

  What is a feature within Mist AI that uses unsupervised machine learning?

  A. vBLE engagement

  B. Insights

  C. Service Level Expectations

  D. Alerting

  Correct Answer: B

  Reference: https://www.mist.com/resources/mist-platform-solution-brief/#:~:text=Natural%20Language%20Processing%20(NLP)%20is,accurately%20locate%20users%20and%20devices

• Question 6:

  You are troubleshooting a signal strength issue when you notice that the signal strength changes from-70 to-73 dBm as you move from one room to another. In this scenario, what is happening?

  A. Signal strength has increased by 10x.

  B. Signal strength has decreased by 10x.

  C. Signal strength has doubled.

  D. Signal strength has halved.

  Correct Answer: D

• Question 7:

  Which two categories are included in the Connectivity Marvis Action? (Choose two.)

  A. Offline AP

  B. Bad Cable

  C. ARP Failure

  D. DNS Failure

  Correct Answer: AD

• Question 8:

  You are inviting a new administrator into a Mist organization. In this scenario, which two roles are valid? (Choose two.)

  A. Helpdesk

  B. Standard

  C. Network Admin

  D. System Admin

  Correct Answer: CD

  Reference: https://www.mist.com/documentation/administrator-roles/

• Question 9:

  Which two statements are correct about creating Mist sites? (Choose two.)

  A. A Mist site can only belong to a single organization.

  B. You can create and manage multiple sites with a Mist account.

  C. You can only create and manage a single site with a Mist account.

  D. A Mist site can belong to multiple organizations.

  Correct Answer: BD

  Reference: https://api-class.mist.com/use_cases/site_creation/create_sites/

• Question 10:

  What is an 802.11 management frame transmitted by an AP?

  A. echo request

  B. ping

  C. keepalive

  D. beacon

  Correct Answer: D

  Reference: https://howiwifi.com/2020/07/13/802-11-frame-types-and-formats