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

These addresses are meant for nonrouting purposes, but they are almost globally unique so it is unlikely they will have an address overlap.
These are like private addresses in IPv4 in that they are not meant to be routed.
Packets addressed to a unicast address are delivered to a single interface.
These are your typical publicly routable addresses, just like a regular publicly routable address in IPv4.

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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
Electronic newspaper
Paperless office
None of these
Global network

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