ICMP Quiz (Online)

1.  

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?

2.  

Which port number does ICMP use?

3.  

Which ICMP message is sent by a host in the network to test connectivity with another host?

4.  

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

5.  

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?

6.  

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

7.  

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?

8.  

What statement is true regarding ICMP packets?

9.  

What are the Echo-request and echo-reply messages designed for?

10.  

When you use the ping command to send ICMP messages across a network, what’s the most common request/reply pair you’ll see