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Who can send ICMP error-reporting messages?

  • a)
    Routers

  • b)
    Destination hosts

  • c)
    Source host

  • d)
    Both (a) and (b)

Correct answer is option 'D'. Can you explain this answer?
Verified Answer
Who can send ICMP error-reporting messages?a)Routersb)Destination host...
Both router and destination host can send ICMP error-reporting message to inform the source host about any failure or error occurred in packet.
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Most Upvoted Answer
Who can send ICMP error-reporting messages?a)Routersb)Destination host...
Explanation:

Routers:
- Routers can send ICMP error-reporting messages when they encounter issues such as unreachable destinations or time exceeded during packet forwarding.
- These messages help to inform the source host about the problem encountered during the transmission of the packet.

Destination Hosts:
- Destination hosts can also send ICMP error-reporting messages to inform the source host about issues such as port unreachable or host unreachable.
- These messages help in troubleshooting network connectivity problems and provide feedback to the sender.

Source Host:
- The source host can receive ICMP error-reporting messages from routers or destination hosts.
- It uses the information provided in these messages to diagnose network issues and adjust its communication accordingly.

Both (a) and (b):
- Both routers and destination hosts play a crucial role in sending ICMP error-reporting messages to ensure effective communication and troubleshooting in a network.
- These messages help in maintaining network integrity and reliability by promptly addressing any issues encountered during data transmission.
In conclusion, the correct answer is option 'D' because both routers and destination hosts can send ICMP error-reporting messages to facilitate effective communication and network troubleshooting.
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Community Answer
Who can send ICMP error-reporting messages?a)Routersb)Destination host...
Both routers and Destination hosta option (d) but both (a) and (b) not (d)
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