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Which of these is not a type of error-reporting message?(a) Destination unreachable(b) Source quench(c) Router error(d) Time exceededI have been asked this question during an internship interview.I'm obligated to ask this question of ICMP topic in chapter TCP/IP Protocol Suite of Computer Network

Answer»

Right option is (c) Router error

To explain I would say: Router error is not a type of error-reporting message in ICMP. The type of error reporting message is specified in the ICMP header. Destination UNREACHABLE is type 3 error message, source quench is type 4, and TIME exceeded is type 11 error message.



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