Which of these is not a type of error-reporting message?
A. Destination unreachable
B. Source quench
C. Router error
D. Time exceeded
Answer:C
Which of these is not a type of error-reporting message?
A. Destination unreachable B. Source quench C. Router error D. Time exceeded
Explanation: 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.