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Q.

Which of the following connectivity devices is used to extend a network on a purely mechanical basis?

A

Gateway

B

Switch

C

Router

D

Active hub

E

802.6

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Office LANs that are spread geographically apart on a large scale can be connected using a corporate _____ .

A

CAN

B

LAN

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DAN

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What does 240 translate to in binary?

A

11110000

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What device includes an adapter that decodes data sent in radio signals?

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4.

The main difference between synchronous and asynchronous transmission is

A

the clocking is derived from the data in synchronous transmission

B

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C

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D

the bandwidth required is different

E

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5.

A decrease in magnitude of current, voltage, a power of a signal in transmission between points, is known as

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Aloha

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Carrier

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None of the above

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