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Q.

Which of the following is a wrong example of network layer?

A

Internet Protocol (IP) - ARPANET

B

X.25 Packet Level Protocol (PLP)-ISO

C

Source routing and domain naming-USENet

D

X.25 level 2-ISO

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MCQ

1.

Eight stations are competing for the use of the shared channel using the modified Adaptive free walk protocol by Gallager. If the stations 7 and 8 are suddenly become ready at once, how many bit slots are needed to resolve the contention?

A

1 slots

B

5 slots

C

10 slots

D

14 slots

E

None of the above

Discussion

MCQ

2.

Videotex is a combination of

A

television

B

communication

C

computer technology

D

All of the above

E

None of the above

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3.

Select the wrong data communication system component:

A

Medium

B

Protocol

C

Receiver

D

Transits

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4.

A modem is connected in between a telephone line and a

A

network

B

computer

C

communication adapter

D

serial port

E

None of the above

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5.

Phase shift keying (psk) method is used to modulate digital signals at 9600 bps using 16 levels. Find the line signaling speed (i.e., modulation rate)

A

2400 bands

B

1200 bands

C

4800 bands

D

9600 bands

E

DHCP Management Console

Discussion

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