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

full-duplex line
concentrator
modifier
None of these
multiplexer

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Computer Networking
Satellite-Switched Time-Division Multiple Access (SS/TDMA) is

All of these
None of these
a form of TDMA in which circuit switching is used to dynamically change the channel assignments
the method of determining which device has access to the transmission medium at any time.
a medium access control technique for multiple access transmission media

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Computer Networking
You type debug ip rip on your router console and see that 172.16.10.0 is being advertised to you with a metric of 16. What does this mean?

The route is inaccessible.
The route is 16 hops away.
The route is queued at 16 messages a second.
The route has a delay of 16 microseconds.
They will all load-balance.

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