Computer Networking
Which of the following is true when describing a global unicast 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.
These are like private addresses in IPv4 in that they are not meant to be routed.
These are your typical publicly routable addresses, just like a regular publicly routable address in IPv4.

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Computer Networking
A front-end processor is

a minicomputer that relieves main-frame computers at a computer centre of communications control functions
preliminary processor of batch jobs.
None of these
a user computer system
a processor in a large-scale computer that executes operating system instructions

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Computer Networking
Terminals are used to

None of these
All of these
collect data from the physical system
provide information for the manager
communicate management decisions to the physical system

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Computer Networking
The physical layer, in reference to the OSI model, defines

None of these
data link procedures that provide for the exchange of data via frames that can be sent and received
the virtual circuit interface to packet-switched service
the interface between the X.25 network and packet mode device
All of these

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