Q. ICMP (internet control message protocol) is a protocol
✅ Correct Answer: (B)
that handles error and control messages
Explanation:
ICMP (Internet Control Message Protocol) is used by network devices, like routers, to send error messages and operational information, such as when a service is unavailable or a host cannot be reached.
- It's essential for tools like ping and traceroute.
Other options:
- (A): Monitoring is not its primary function.
- (C): Describes FTP (File Transfer Protocol).
- (D): Describes ARP (Address Resolution Protocol).
So, ICMP handles error and control messages — (B) is correct.
Explanation by: Mr. Dubey
ICMP (Internet Control Message Protocol) is used by network devices, like routers, to send error messages and operational information, such as when a service is unavailable or a host cannot be reached.
- It's essential for tools like ping and traceroute.
Other options:
- (A): Monitoring is not its primary function.
- (C): Describes FTP (File Transfer Protocol).
- (D): Describes ARP (Address Resolution Protocol).
So, ICMP handles error and control messages — (B) is correct.