Computer Networking
The Internet Control Message Protocol (ICMP)

None of these
provides communication between the Internet Protocol Software on one machine and the Internet Protocol Software on another
All 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
allows gateways to send error a control messages to other gateways or hosts

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Computer Networking
ARP (Address Resolution Protocol) is

None of these
a TCP/IP high level protocol for transferring files from one machine to another
a protocol used to monitor computers
a protocol that handles error and control messages
a TCP/IP protocol used to dynamically bind a high level IP Address to a low-level physical hardware address

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