Which protocol is used to report errors and provide diagnostic information in IP networks?

Options

  • A. TCP
  • B. ICMP
  • C. SMTP
  • D. More than one of the above
  • 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.