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Computer Networking

Computer Networking
A devices that links two homogeneous packet-broadcast local networks, is

gateway
repeater
None of these
hub
bridge

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Computer Networking
How many Character per sec(7bits + 1parity) can be transmitted over a 2400 bps line if the transfer is synchronous (1 "Start" and 1 "stop" bit)?

300
275
240
250

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Computer Networking
Which of the following is an important characteristic of LAN?

None of these
parallel transmission
unlimited expansion
low cost access for low bandwidth channels
application independent interfaces

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Computer Networking
An example of a medium-speed, switched communications service is

None of these
Series 1000
Dataphone 50
All of these
DDD

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Computer Networking
Select the correct cable that transport signals in the form of light:

Shielded Twisted Pair cable
Twisted-Pair cable
Fiber optic cable
Coaxial Cable

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Computer Networking
Which WLAN IEEE specification allows up to 54Mbps at 2.4GHz?

N
A
G
B

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