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

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.
Identifies multiple interfaces and is only delivered to one address. This address can also be called one-to-one-of-many.

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Computer Networking
Messages from one computer terminal can be sent to another by using data networks. The message to be sent is converted to an electronic digital signal, transmitted via a cable, telephone or satellite and then converted back again at the receiving end. What is this system of sending messages called?

Electronic mail
None of these
Electronic newspaper
Paperless office
Global network

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