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Computer Networking

Computer Networking
The slowest transmission speeds are those of

coaxial cable
microwaves
fiber-optic cable
twisted-pair wire

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Computer Networking
Which of the following medium access control technique is used for bus/tree?

None of these
MAC
CSMA
token bus
token ring

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Computer Networking
Modulation in which the two binary values are represented by two different amplitudes of the carrier frequency is known as

Amplitude modulation
None of these
Amplitude-shift keying
Amplitude
Aloha

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

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

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Computer Networking
Usually, it takes 10-bits to represent one character. How many characters can be transmitted at a speed of 1200 BPS?

12
120
10
None of these
1200

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Computer Networking
You want to improve network performance by increasing the bandwidth available to hosts and limit the size of the broadcast domains. Which of the following options will achieve this goal?

Bridges
Switches configured with VLANs
Switches
Managed hubs

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