Computer Networking
Bandlimited signal is

All of these
None of these
simultaneous transmission of data to a number of stations
transmission of signals without modulation
a signal all of whose energy is contained within a finite frequency range

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

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