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Computer Networking

Computer Networking
How many non-overlapping channels are available with 802.11g?

3
40
23
12

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Computer Networking
Which of the following uses network address translation?

Network adapter drivers
Hubs
Windows 95
Routers
None of these

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Computer Networking
A characteristic of a multiprogramming system is:

None of these
simultaneous execution of program instructions from two applications
All listed here
multiple CPUs
concurrent processing of two or more programs

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Computer Networking
The channel in the data communication model can be

radio signals
postal mail service
None of these
telephone lines
All of these

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Computer Networking
The encoding method specified in the EIA-232 standard is _____.

NRZ-L
Differential Manchester
Manchester
NRZ-I
None of these

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Computer Networking
The frequency range : 300 kHz to 3 MHz is used for

FM radio transmission
AM radio transmission
TV transmission
microwave communications, satellite and radar
None of these

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