Computer Networking
Many large organizations with their offices in different countries of the world connect their computers through telecommunication satellites and telephone lines. Such a communication network is called
provides communication between the Internet Protocol Software on one machine and the Internet Protocol Software on another
reports error conditions to the original source, the source must relate errors to individual application programs and take action to correct the problem
All of these
allows gateways to send error a control messages to other gateways or hosts
EXAMIANS