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Computer Networking

Computer Networking
On a class B network, how many hosts are available at each site with a subnet mask of 248?

16,382
2,046
1,022
8,190
4,094

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

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

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Computer Networking
What is the maximum distance running the lowest data rate for 802.11b?

About 175 feet
About 300 feet
About 350 feet
About 100 feet

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Computer Networking
The data communication support should include, but is not restricted to

file and database access
terminal support, electronic mail and voice grams.
All of these
file transfer and transaction processing

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Computer Networking
If digital data rate of 9600 bps is encoded using 8-level phase shift keying (PSK) method, the modulation rate is

4800 bands
9600 bands
None of these
3200 bands
1200 bands

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Computer Networking
What does 192 translate to in binary?

11
None of these
111110
11000000
1111

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