Which of the following use PVCs at layer 2?

A.) X.25

B.) HDLC

C.) Frame relay

D.) ISDN



Which of the following use PVCs at layer 2? A.) X.25 B.) HDLC C.) Frame relay D.) ISDN..

Answer / guest

Answer: C

Is This Answer Correct ?    1 Yes 0 No

Post New Answer

More CCNA Interview Questions

what are the port numbers for DNS,FTP,TELNET,SMTP,NNTP

5 Answers   Airtel, Walton Group,


Which Distance Vector characteristic can help to speed up convergence? A.) Triggered Updates. B.) Split Horizon. C.) Poison Reverse. D.) Hold Down timers. E.) Inverse ARP.

1 Answers  


What is an advantage of local area network (LAN) segmentation? A. smaller collision domains B. elimination of broadcasts C. decreased cost of implementation D. larger number of users within the same domain

3 Answers   Cisco,


What is link aggregration?? How many types of protocol are used on that???

3 Answers   Hathway,


What is the size of ipv6?

0 Answers  






On which interface we always apply access-list?

0 Answers  


Why ip address called logical address?

0 Answers  


Which command listed below sets the banner message when someone connects to the router? A.) message # B.) banner # C.) login banner # D.) description # E.) login description # F.) banner motd #

2 Answers  


Why is vlan used?

0 Answers  


Identify the purpose of the Ping command? A.) Share routing information with a neighbor router B.) Transmit user data when buffers are full C.) Test connectivity at layer 3 D.) Test entire protocol stack

2 Answers  


What is osi reference model?

0 Answers  


From Enable mode, a user types the letter 'C' and presses enter. There is more than 1 command that starts with 'C'. What message would the router return? A.) Nothing would be returned, the command is simply ignored. B.) unknown command C.) ambiguous command. D.) Copy to? E.) Configured console from console.

1 Answers  


Categories