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Computer Networking

Computer Networking
A noiseless 3 KHz Channel transmits bits with binary level signals. What is the maximum data rate?

3 Kbps
6 Kbps
24 Kbps.
12 Kbps

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Computer Networking
If communication software can be called the "traffic cop" of a micro communication system, then what should the modem be called?

Park
Bridge
Link
None of these
Interface

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Computer Networking
An information utility can offer a user

complete airline schedules for all domestic flights
All of these
None of these
news stories from wire services
instant bonds and stock quotations

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Computer Networking
Error detection at a data link level is achieved by

equalization
None of these
Hamming codes
cyclic redundancy codes
bit stuffing

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

23
40
12
3

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Computer Networking
Which of the following are valid ways to refer only to host 172.16.30.55 in an IP access list? 1. 172.16.30.55 0.0.0.255 2. 172.16.30.55 0.0.0.0 3. any 172.16.30.55 4. host 172.16.30.55 5. 0.0.0.0 172.16.30.55 6. ip any 172.16.30.55

2 and 4
1 and 4
1, 4 and 6
3 and 5

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