Computer Networking
Which of the following types of channels moves data relatively slowly?

narrowband channel
voiceband channel
None of these
broadband channel
wideband channel

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Computer Networking
The main difference between synchronous and asynchronous transmission is

the clocking is mixed with the data in asynchronous transmission
the clocking is derived from the data in synchronous transmission
the bandwidth required is different
None of these
the pulse height is different.

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