Computer Networking
An error-detecting code inserted as a field in a block of data to be transmitted is known as

Frame check sequence
flow control
None of these
Error detecting code
Checksum

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Computer Networking
RS-449/442-A/423-A is

the ratio of the number of data units in error to the total number of data units
a check bit appended to an array of binary digits to make the sum of the all the binary digits
a code in which each expression conforms to specific rules of construction, so that if certain errors occur in an expression the resulting expression will not conform to the rules of construction and
a set of physical layer standards developed by EIA and intended to replace RS-232-
None of these

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Computer Networking
Which of the following is true when describing a unique local address?

These are your typical publicly routable addresses, just like a regular publicly routable address in IPv4.
These are like private addresses in IPv4 in that they are not meant to be routed.
Packets addressed to a unicast address are delivered to a single interface.
These addresses are meant for nonrouting purposes, but they are almost globally unique so it is unlikely they will have an address overlap.

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Computer Networking
UDP is:

Connection orientated and reliable
None of these
Connectionless and unreliable
Connection oriented and unreliable
Not a part of the TCP/IP suite

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