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ICMP is used in _________(a) Ping(b) Traceroute(c) Ifconfig(d) Both Ping & TracerouteI had been asked this question by my college professor while I was bunking the class.Question is from Network Utilities topic in division Network Layer of Computer Network

Answer»

Correct CHOICE is (d) Both Ping & TRACEROUTE

To explain: ICMP stands for INTERNET Control Message Protocol. ICMP operates over the IP packet to provide error reporting functionality, so in case the node is not active or there is no ROUTE, ICMP will be used to report the specific errors for Ping and Traceroute.



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