Computer Networking
Which of the following is true when describing a multicast address?

Identifies multiple interfaces and is only delivered to one address. This address can also be called one-to-one-of-many.
Packets are delivered to all interfaces identified by the address. This is also called a one-to-many address.
Packets addressed to a unicast address are delivered to a single interface.
These addresses are meant for nonrouting purposes, but they are almost globally unique so it is unlikely they will have an address overlap.

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Computer Networking
Demodulation is the process of

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

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Computer Networking
The term 'duplex' refers to the ability of the data receiving stations to echo back a confirming message to the sender. In full duplex data transmission, both the sender and the receiver

can receive and send data simultaneously
None of these
can send or receive data one at a time
can do one way data transmission only
cannot talk at once

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