Computer Networking
Many large organizations with their offices in different countries of the world connect their computers through telecommunication satellites and telephone lines. Such a communication network is called

LAN
None of these
WAN
ECONET
EITHERNET

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Computer Networking
Parity bit 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 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
an error-detecting code based on a summation operation performed on the bits to be checked.
None of these

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

Packets addressed to a unicast address are delivered to a single interface.
These are like private addresses in IPv4 in that they are not meant to be routed.
These are your typical publicly routable addresses, just like a regular publicly routable address in IPv4.
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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