Blog    Register    Login   

CCNA Practice Questions

Previous   Up   Next

4. You find that one of the serial interfaces on your router is not forwarding traffic. You have given "show ip interfaces" command. In the response, you observed the following entries against that interface:

Serial 0 is up, line protocol is down. What is the likely problem?

There is a problem at physical layer

There is a problem exchanging the routing information

The link was administratively down

There is a problem with the route both at physical and protocol layers



Your Answer =


Answer / Explanation:

CertExams Blog!  Certexams.com Facebook Page Certexams.com Twitter Page Certexams on YouTube 


Cert-Ex™ Exam Simulators, Cert-Ex™ Network Simulator, Cert-Ex™ Cheatsheets are written independently by CertExams.com and not affiliated or authorized by respective certification providers. Cert-Ex™ is a trade mark of CertExams.com or entity representing Certexams.com.CCNA™ is a trademark of Cisco® systems