Name two network commands which uses ICMP at the network layer
Ping and Tracert
Which transport layer protocol does ICMP use
ICMP does not use any transport layer protocol.
Which two fields in the ICMP header is used for identifying the intent of ICMP message
Type and Code
What feature on a router can be used to block an ICMP packet
Access control lists
Which port number does ICMP use
ICMP does not use any port number as it does not use any transport layer protocols.
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