"ICMP" <span>is used for supervisory messages at the internet protocol layer.
ICMP stands for </span>Internet Control Message Protocol and it refers to a supporting protocol in the Internet protocol suite. It is utilized by network devices which includes routers and these are used to send error messages and operational data showing, for instance, that asked for service which isn't accessible or that a host or switch couldn't be come to.
Answer:
The answer is Letter D. Dumpster diving.
Explanation:
This process of going through a target's trash is known in the community as dumpster diving. This attack is a technique used to retrieve information that could be used to carry out an attack on a computer network.
It is important to inform that the dumpster diving it is not limited to searching through the trash for obvious treasures like acess codes or passwords written down on sticky notes.
