Computer Networks

11. Cellular radio has another popular names as

  1. Cellular mobile
  2. Cellular phone
  3. Both a & b
  4. None of these

Correct answer: (C)
Both a & b

12. IEEE802.11a and IEEE802.11b uses ____________ band

  1. 1.4GHz
  2. 2.4GHz
  3. 3.4GHz
  4. 4.4GHz

Correct answer: (B)
2.4GHz

13. In 10Base2(Thin Net/Black Ethernet) a coaxial cable of thinner gauge of ____________ in diameter

  1. 5mm
  2. 10mm
  3. 15mm
  4. 20mm

Correct answer: (A)
5mm

14. In 10Base5(Thick Net/ Yellow Ethernet) the minimum allowable distance between transceivers is ____________

  1. 1.5 metres
  2. 2.5 metres
  3. 3.5 metres
  4. 4.5 metres

Correct answer: (B)
2.5 metres

15. Radio is basically a device, which has

  1. Receiver
  2. Transmitter
  3. Both a & b
  4. None of these

Correct answer: (C)
Both a & b

16. Some examples of APIs are

  1. NetBIOS
  2. TCP/IP sockets
  3. Remote Procedure Calls (RPCs)
  4. All of these

Correct answer: (D)
All of these

17. The 5 of 10Base5 segment may be extended up to ____________ by using repeaters

  1. 500 metres
  2. 1000 metres
  3. 1500 metres
  4. 2000 metres

Correct answer: (C)
1500 metres

18. The 5 of 10Base5 signify a maximum of ____________ segment length

  1. 50- metre
  2. 500- metre
  3. 5000- metre
  4. 550- metre

Correct answer: (B)
500- metre

19. The availability of ____________ made the wireless communication popular among the masses.

  1. Low cost microprocessor
  2. Digital switching
  3. Both a & b
  4. None of these

Correct answer: (C)
Both a & b

20. The effective capacity of coaxial cable depends on the

  1. Spacing of amplifiers
  2. The length of the circuit
  3. The gauge of the centre conductor
  4. Other intermediate devices
  5. All of these

Correct answer: (E)
All of these

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