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Computer Networking

Computer Networking
What is the address range of a Class B network address in binary?

0xxxxxxx
110xxxxx
10xxxxxx
01xxxxxx

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Computer Networking
What is the main purpose of a data link content monitor?

to detect problems in protocols
to determine the flow of data
to determine the type of switching used in a data link.
None of these
to determine the type of transmission used in a data link

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Computer Networking
A protocol is a set of rules governing a time sequence of events that must take place

across an interface
between peers
between an interface
None of these
between modems

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Computer Networking
A 4 KHz noise less channel with one sample ever 125 per sec is used to transmit digital signals. Differential PCM with 4 bit relative signal value is used. Then how many bits per second are actually sent?

None of these
32 Kbps
8 Kbps
128 Kbps.
64 Kbps

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Computer Networking
The geostationary satellite used for communication systems

remains stationary relative to the earth
is positioned over equator
All of these
None of these
rotates with the earth

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Computer Networking
Which of the following is an advantage to using fiber optics data transmission?

low noise level
All of these
fast data transmission rate
few transmission errors
resistance to data theft

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