Data Communication And Computer Network exam quiz with answer

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Data Communication And Computer Network

1 / 20

Q: Users can shorten the set up of their network workstations environment by

1) A Using the NetWare manuals

2) B Using electronic mail

3) C Using elevator seeking

4) D Using login scripts

2 / 20

Q: Different network can be linked using

1) A A remote PC

2) B A disk server

3) C A router PC

4) D Spooled disk files

3 / 20

Q: Data transfer rate for LAN is normally

1) A 1-100 Mbps

2) B 1-2 Mbps

3) C 1-10 Mbps

4) D None of the above

4 / 20

Q: Maximum length of a data packet in packet switching method is

1) A 1 bytes

2) B 128-4096 bytes

3) C 10MB

4) D None of the above

5 / 20

Q: Multimedia can be used in which of the following fields?

1) A Education

2) B Entertainment

3) C Engineering

4) D All of the above

6 / 20

Q: Which of the following is not a guided transmission line?

1) A Pair of wires

2) B Wave guides

3) C Laser beam

4) D None of the above

7 / 20

Q: Satellite communications use

1) A Medium frequency band

2) B Microwaves

3) C Optical frequencies

4) D None of the above

8 / 20

Q: Which of the following is associated with network?

1) A Node

2) B Star topology

3) C Both a and b

4) D None of the above

9 / 20

Q: The following modulation requires the lowest bandwidth

1) A PSK

2) B DPSK

3) C ASK

4) D FSK

10 / 20

Q: Which of these is not a field in the Ethernet message packet?

1) A Type

2) B Data

3) C Zip code

4) D Address

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Q: A broad cast address enables a message to go to

1) A A single work station

2) B A single group of work stations

3) C Several groups of work stations

4) D A selected peripheral

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Q: A dead workstation on a token ring network can cripple the network without

1) A Special software

2) B Wire centres or special bypass hardware

3) C Extra tokens

4) D A dead station token

13 / 20

Q: A data highway is a good description of which network topology?

1) A Bus

2) B Star

3) C Ring

4) D Token ring

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Q: Since the advent of local area network, mainframe computers have

1) A Become less popular

2) B Become more popular

3) C Been unaffected

4) D Disappeared

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Q: When computers are linked with a direct, high speed connection, what is the result called?

1) A Telecommunications

2) B A network

3) C A connection

4) D An information system

16 / 20

Q: Modem EPABX use

1) A Space division multiplexing

2) B Time division multiplexing

3) C Frequency multiplexing

4) D None of the above

17 / 20

Q: WAN hardware includes

1) A Multiplexors and routers

2) B EDI

3) C Bridges and modems

4) D None of the above

18 / 20

Q: Communication that involves computer, establishing a link through the telephone system is called

1) A Teleprocessing

2) B Telecommunications

3) C Microprocessing

4) D None of the above

19 / 20

Q: What do you call the combination of video signals, voice signals and data signals?

1) A Teleconferencing

2) B The internet

3) C Bulletin board system

4) D Videoconferencing

20 / 20

Q: In FDM every user uses

1) A Same frequency band

2) B Different frequency band

3) C A frequency band which he is assigned at random

4) D None of the above

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Data Communication And Computer Network exam quiz with answer

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