Exercise: Networking

Questions for: Networking

The main difference between synchronous and asynchronous transmission is
A:
the clocking is derived from the data in synchronous transmission
B:
the clocking is mixed with the data in asynchronous transmission
C:
the pulse height is different.
D:
the bandwidth required is different
Answer: A
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A communications device that combines transmissions from several 1/ O devices into one line is a:
A:
concentrator
B:
modifier
C:
multiplexer
D:
full-duplex line
Answer: C
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Networks that follow the 802.5 standard appear to be in a star topology but are actually operating in what type of topology?
A:
Linear bus
B:
Modified star
C:
Modified ring
D:
Ring
Answer: D
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The standard suit of protocols used by the Internet, intranets, extranets, and some other networks.
A:
TCP/IP
B:
Protocol
C:
Open Systems
D:
Internetwork processor
Answer: A
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Which of the following summation operation is performed on the bits to check an error-detecting code?
A:
Codec
B:
Coder-decoder
C:
Checksum
D:
Attenuation
Answer: C
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