Computer Networking
Bandlimited signal is

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

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Computer Networking
The network layer, in reference to the OSI model, provide

the virtual circuit interface to packet-switched service
None of these
data link procedures that provide for the exchange of data via frames that can be sent and received
the interface between the X.25 network and packet mode device
All of these

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