Computer Networking
What is the main purpose of a data link content monitor?

to determine the type of transmission used in a data link
to determine the flow of data
None of these
to determine the type of switching used in a data link.
to detect problems in protocols

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Computer Networking
ICMP (Internet Control Message Protocol) is

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

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