ICMP Quiz (Online)

What statement is true regarding ICMP packets?

What is the header size of ICMP Packet?

An administrator issues the command “#ping 127.0.0.1” from the command line prompt on a PC host named ATECH1. If an ICMP reply is received, what does this confirm?

You execute the ping command from a host, but the router does not have a path to its destination. Which of the following ICMP message types will a client receive from the router?

For security reasons, the Cisco network administrator needs to prevent pings into the corporate networks from hosts outside the internetwork. Using access control lists, which protocol should be blocked?

Which port number does ICMP use?

Which two fields in the ICMP header is used for identifying the intent of ICMP message?

What is the companion of the Internet Control Message Protocol (ICMP)?

The network administrator at ATECH issues the ”#ping 10.0.0.99” command and successfully tests connectivity to a host that has been newly connected to the network. Which protocols were used during the test?

What kind of message does a PING send out to test connectivity?