If a packet gets "sucked down a black hole" (figuratively speaking) and is not received by its sender, and no message is sent back explaining the situation, then something is wrong. The failure to send a message means something is wrong with the _____. ICMP
ISO
TCP/IP
HTTP.

Respuesta :

The failure to send a message implies that something is wrong with the  ICMP.

What is ICMP in computer networks?

ICMP is a term that means Internet Control Message Protocol. It is regarded as a kind of error-reporting protocol or method of network devices.

It can be seen in routers as they are often use to get error messages to the source IP address if their network problems hinders them in terms of delivery of IP packets. The failure to send a message shows that something is wrong with the  ICMP.

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Answer:

ICMP

Explanation:

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