Computer Networking
The interactive transmission of data within a time sharing system may be best suited to

biflex-line
half-duplex lines
full-duplex lines
simplex lines
None of these

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Computer Networking
The MAC (Media Access Control) address of the network card is used in both Ethernet and Token-Ring networks and is essential for communication. What does MAC provide?

A physical address that is randomly assigned each time the computer is started
A physical address that is assigned by the manufacturer
An alias for the computer name
The logical domain address for the workstation
A logical address that identifies the workstation

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Computer Networking
Parity bit is

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
None of these
an error-detecting code based on a summation operation performed on the bits to be checked.
a check bit appended to an array of binary digits to make the sum of all the binary digits.
the ratio of the number of data units in error to the total number of data units

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Computer Networking
The application layer of a network

consists of software being run on the computer connected to the network
None of these
All of these
defines the user's port into the network
establishes, maintains, and terminates virtual circuits

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