Computer Networking
Select the cable that uses copper conductor, accept and transport signals in the form of electric current?

Twisted pair cable
All of these
Fiber-optic cable
Metallic cable

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Computer Networking
The main difference between synchronous and asynchronous transmission is

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

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Computer Networking
Which of the following characteristic(s) is/are suited to the PSS applications?

All of these
Multiple remote host or applications accessed by a single local access circuit terminal and circuit
widely dispersed terminals and access to international packets switched services
None of these
bursty traffic and low communications intensity

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