Computer Networking
Which of the following allows devices on one network to communicate with devices on another network?

gateway
t-switch
multiplexer
None of these
modern

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Computer Networking
ICMP (Internet Control Message Protocol) is

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

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