Computer Networking
"BAUD" rate means

The rate at which the signal changes.
The number of bytes transmitted per unit time.
None of these
The number of bits transmitted per unit time.

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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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