CCNA Question:
Download Questions PDF

What is the ICMP protocol?

Answer:

ICMP – Internet Control Message Protocol
It is a Network Layer Internet protocol, which can report errors and status information. We can use the ping command to send ICMP echo request messages and record the receipt of ICMP echo reply messages. With these messages, we can detect network or host communication failures and troubleshoot common TCP/IP connectivity problems.

Download CCNA Interview Questions And Answers PDF

Previous QuestionNext Question
What is the MAC address?What is the difference between ARP and RARP?