Computer Networking
Avalanche photodiode receivers can detect hits of transmitted data by receiving

None of these
400 photons
300 photons
100 photons
200 photons

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Computer Networking
Demodulation is the process of

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

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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?

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

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