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Q.

A _______ is a connecting device that operates in the physical and data link layers of the Internet model.

A

repeater

B

bridge

C

router

D

none of the above

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MCQ

1.

in ________, a station monitors the medium after it sends a frame to see if the transmission was successful. If so, the station is finished. If, however, there is a collision, the frame is sent again

A

CSMA/CA

B

CSMA/CD

C

either (a) or (b)

D

both (a) and (b)

Discussion

MCQ

2.

The access method in Bluetooth is ________

A

FDMA

B

TDD-TDMA

C

CDMA

D

none of the above

Discussion

MCQ

3.

What is the hexadecimal equivalent of the Ethernet address 01011010 00010001 01010101 00011000 10101010 00001111?

A

5A:88:AA:18:55:F0

B

5A:81:BA:81:AA:0F

C

5A:11:55:18:AA:0F

D

5A:18:5A:18:55:0F

Discussion

MCQ

4.

In Frame Relay, an address can be ________ bytes

A

only 2

B

2 to 3

C

2 to 4

D

none of the above

Discussion

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5.

In IEEE 802.11, the addressing mechanism can include up to ______addresses

A

four

B

five

C

six

D

none of the above

Discussion

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