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.
Explanation:
Web servers (like Apache or Nginx) listen for HTTP requests to deliver HTML and web assets to browsers, while database servers (like MySQL or Oracle) store and query raw tabular data collections.
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