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CS601-Data Communication Quiz MCQs Lecture 23-45 Finalterm Objective Questions

CS601-Data Communication Quiz  MCQS #Objective #Questions #Finalterm

1. EHF stands for ___

  • Extremely High Frequency
  • Emitting High Frequency
  • Emission of High Frequency
  • Exact High Frequency

2. ___ measures the relative strength of the two signals or a signal at two different points.

  • Data rate
  • Baud rate
  • Frequency
  • Decibel

3. The term ___ means that only one bit of a given data unit is changed from 1 to 0 or from 0 to 1.

  • Packet Error
  • Burst Error
  • Single Bit Error
  • Character Error

4. Telephone network is an example of a ___ network.

  • Packet-switched
  • Circuit-switched
  • Message-switched
  • Tele-switched

5. EIA 449 uses ___ standards to define its electrical specifications.

  • 2
  • 3
  • 4
  • 5

6. Terminal, microprocessor, computer, printer or any other device that generates or consumes digital data is known as ___

  • DCE
  • DTE
  • DCE & DTE
  • DTE & DTE

7. Traditional modems are limited to a data rate of ___ Kbps.

  • 31.6
  • 32.6
  • 33.6
  • 34.6

8. If the ASCII character G is sent and the character D is received, what type of error is this?

  • Single-bit
  • Multiple-bit
  • Burst
  •  Recoverable

9. Cable that connects the subscriber telephone to the nearest end office in a local loop is called

  • Twisted-pair cable
  • Coaxial cable
  • Fiber-optic cable
  • Subscriber cable

10. Air is ___

  • DTE
  • DCE
  • Transmission medium
  • DTE & DCE


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