Juniper Juniper Certifications JN0-103 Questions & Answers

• Question 21:

  You are in configuration mode at the top of the hierarchy. You need to abort the changes that you have made and start again with a fresh copy of the active configuration. Which command should you use to accomplish this task?

  A. rollback 0

  B. load active

  C. reset config

  D. clear candidate config

  Correct Answer: A

• Question 22:

  Which three statements describe the Transmission Control Protocol (TCP)? (Choose three.)

  A. TCP is a transport layer protocol.

  B. TCP is faster than the User Datagram Protocol (UDP).

  C. TCP provides delivery notification and error-checking mechanisms.

  D. TCP uses a best-effort delivery approach.

  E. TCP application examples include HTTP and SMTP.

  Correct Answer: ACE

• Question 23:

  What happens when a route does not match any user-configured policies?

  A. The route is rejected.

  B. The route is accepted.

  C. The route is given a lower priority.

  D. The route is sent to the default policy.

  Correct Answer: D

• Question 24:

  Which two keystrokes will auto-complete a command? (Choose two.)

  A. Esc

  B. Tab

  C. Spacebar

  D. End

  Correct Answer: BC

• Question 25:

  Which command allows you to verify the syntax and consistency of your configuration without actually activating your configuration?

  A. User Interfaces

  B. commit verify

  C. commit check

  D. check commit

  E. commit no-activate

  Correct Answer: C

• Question 26:

  When you first log in to a router, how does the router indicate that factory defaults are being used? Junos Configuration Basics

  A. The router's host name is Amnesiac.

  B. The password you used to log in is junos.

  C. The router immediately enters configuration mode after you log in.

  D. The router allows you to enter configuration mode without logging in.

  Correct Answer: A

• Question 27:

  What does the number inside the square bracket represent?

  

  A. Metric

  B. Local preference

  C. Protocol reference number

  D. Route preference

  Correct Answer: D

• Question 28:

  Which routing table is used for multicasting forwarding cache?

  A. Inet.3

  B. Inet.0

  C. Inet.1

  D. Inet.2

  Correct Answer: C

• Question 29:

  Your firewall filters are not in the correct order, what would solve this problem?

  A. Use the next-term action to force an evaluation of the next-term

  B. Use the commit parameter to ensure that terms are evaluated correctly

  C. Use the reject action to change the action of the filter

  D. Use the filter command to reorder the terms with the filter

  Correct Answer: D

• Question 30:

  Referring to the exhibit,

  

  what happens when ping packets are sent to management interface address of the local router?

  A. The ping packets are silently discarded

  B. An ICMP unreachable message is returned

  C. The Ping packets are accepted

  D. An ICMP redirect message is returned

  Correct Answer: D