Answer:
d. All of the above
Explanation:
ICMP which is fully known as INTERNET CONTROL MESSAGE PROTOCOL can be defined as a protocol which enables the internet to work smoothly and perfectly reason been that they help to create error messages in a situation where internet network problems does not allow Internet protocol packets to get through which is why INTERNET CONTROL MESSAGE PROTOCOL are often use to help solve a problem or to help determine a problem to an issue because they do gives a feedback in a situation where things go wrong on the Internet.
