engineering recuitment IB JIO (Junior Intelligence Officer) Mock Test 2023 Computer Networks Concept of Layering Transport Layer
Internet Control Message Protocol (ICMP)
1
allows gateways to send error control messages to other gateways or hosts.
2
provides communication between the Internet Protocol Software on one machine and the Internet Protocol Software on another.
3
only reports error conditions to the original source, the source must relate errors to individuals application programs and take action to correct the problem.
4
All of these