ICMP Quiz (Online)

1.  

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

2.  

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

3.  

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

4.  

Which statement is NOT true regarding ICMP?

5.  

What is the header size of ICMP Packet?

6.  

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?

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.  

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?

9.  

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

10.  

What statement is true regarding ICMP packets?