Computer Networking
Which of the following might be used by a company to satisfy its growing communications needs?

controller
front-end processor
All of these
concentrator
multiplexer

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Computer Networking
The Internet Control Message Protocol (ICMP)

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

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