Computer Networking
The Internet Control Message Protocol (ICMP)

reports error conditions to the original source, the source must relate errors to individual application programs and take action to correct the problem
None of these
All of these
allows gateways to send error a control messages to other gateways or hosts
provides communication between the Internet Protocol Software on one machine and the Internet Protocol Software on another

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Computer Networking
What is the purpose of flow control?

To regulate the size of each segment.
To provide a means for the receiver to govern the amount of data sent by the sender.
To ensure that data is retransmitted if an acknowledgment is not received.
To reassemble segments in the correct order at the destination device.

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