ICMP Quiz (Online)

1.  

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

2.  

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

3.  

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

4.  

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?

5.  

Which statement is NOT true regarding ICMP?

6.  

Which port number does ICMP use?

7.  

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?

8.  

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

9.  

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

10.  

Which function does IP SLA ICMP ECHO operation perform to assist with troubleshooting?