Computer Networking
The application layer of a network

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

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Computer Networking
Bandlimited signal is

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

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