Computer Networking
What is a stub network?

A network with only one entry and no exit point.
A network that has only one entry and exit point.
A network with more than one exit point.
A network with more than one exit and entry point.

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Computer Networking
Demodulation is the process of

None of these
converting analog signals to digital signals
combining many low speed channels into one high speed channel
dividing the high-speed signals into frequency bands
converting digital signals to analog signals

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

All of these
None of these
the virtual circuit interface to packet-switched service
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

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