Which protocol is used to report errors and provide diagnostic information in IP networks?
Options
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A.
TCP
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B.
ICMP
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C.
SMTP
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D.
More than one of the above
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E.
None of the above
Correct Answer (Detailed Explanation is Below)
B.
ICMP
Detailed Explanation
Explanation: ICMP (Internet Control Message Protocol) is used for error reporting and network diagnostics. Utilities such as ping use ICMP Echo Request and Echo Reply messages.