Computer Networking
Demodulation is the process of

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

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Computer Networking
What does a VLAN do?

Provides multiple broadcast domains within a single collision domain.
Acts as the fastest port to all servers.
Provides multiple collision domains on one switch port.
Breaks up broadcast domains in a layer 2 switch internetwork.

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