Which protocol works at the network layer to transmit error alerts, status notifications, and network diagnostics data, heavily utilized by troubleshooting tools like 'Ping'? MCQ with Answer and Explanation

Which protocol works at the network layer to transmit error alerts, status notifications, and network diagnostics data, heavily utilized by troubleshooting tools like 'Ping'?
A. TCP
B. HTTP
C. UDP
D. ICMP (Internet Control Message Protocol)
Answer: Option D
Solution (By JKExamLibrary)
ICMP (Internet Control Message Protocol) is used by network devices to send error messages and operational information, such as indicating that a requested host is unreachable.

This question belongs to: Computer Internet and Web Technologies

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