Computer Networking
Many data communication networks have been established which provide a wealth of on-demand information services to people at home. What is the name of the system which provides an interactive, graphics-rich service that permits user to select what they want?

Videotex system
Fax system
Teletex system
Microwave system
None of these

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

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

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Computer Networking
Synchronous protocols

are more reliable
None of these
are generally used by personal computers
transmit characters one at a time
allow faster transmission than asynchronous protocols do

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