JN0-102 Guide

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Q101. A network administrator wants to verify the active alarms on interface so-0/0/0.0. 

Which command displays this information? 

A. show interfaces alarms 

B. show interfaces terse 

C. show alarms extensive 

D. show interfaces extensive 

Answer:


Q102. Which two statements are true about the configure exclusive command? (Choose two.) 

A. It allows users to retain all uncommitted changes when exiting exclusive configuration mode. 

B. It allows multiple users to edit private copies of the configuration concurrently. 

C. It causes the loss of all uncommitted changes when exiting exclusive configuration mode. 

D. It excludes other users from editing the configuration. 

Answer: C,D 


Q103. Which statement is true about a routing table? 

A. It contains routes learned dynamically only. 

B. It finds the best path to each destination by using a modified shortest-path-first calculation. 

C. It contains only active BGP routes. 

D. It contains all accepted routes to all destinations. 

Answer:


Q104. What is the default export routing policy for EBGP? 

A. Accept all active BGP routes. 

B. Accept all BGP routes. 

C. Accept no routes. 

D. Accept all active IGP routes. 

Answer:


Q105. Which two statements are true when using the configure exclusive CLI command? (Choose two.) 

A. Multiple users can enter configuration mode and have their own private configuration. 

B. When a user commits, only the user's changes are committed. 

C. A message indicates which other users are in configuration mode and what portion of the configuration they are editing. 

D. Only a single user can edit the configuration. 

Answer: B,D 


Q106. You have just issued the command user@router# save current.conf. 

Assuming the default settings, where in the file system is current.conf saved? 

A. /var/tmp/ 

B. /var/config/saved/ 

C. /var/home/user/ 

D. /config/ 

Answer:


Q107. What is the default action for firewall filters? 

A. accept 

B. reject 

C. discard 

D. log 

Answer:


Q108. You have been asked to develop an application that uses only connection-oriented protocols. 

Which two protocols can you use? (Choose two.) 

A. PPP 

B. UDP 

C. TCP 

D. ICMP 

Answer: A,C 


Q109. What is the default protocol preference for OSPF internal routes? 

A. 10 

B. 15 

C. 150 

D. 160 

Answer:


Q110. Which word starts a command to add configuration on a Junos device? 

A. get 

B. set 

C. put 

D. show 

Answer:


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