Computer Networking
A communications device that combines transmissions from several I/O devices into one line is a:

concentrator
modifier
multiplexer
None of these
full-duplex line

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

Packets addressed to a unicast address are delivered to a single interface.
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.
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
The corporate office sends you a new router to connect, but upon connecting the console cable, you see that there is already a configuration on the router. What should be done before a new configuration is entered in the router?

The new configuration should be entered and saved.
RAM should be erased and the router restarted.
Flash should be erased and the router restarted.
NVRAM should be erased and the router restarted.

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