Simplified guide of MCQs for Exams, Interviews

Topic: Computer Sciences

1 .  Data is transmitted block by block in

  • A. Asynchronous mode
  • B. Synchronous mode

Correct Answer:

Synchronous mode


2 .  Microwave and Communication Satellite are examples of

  • A. Guided
  • B. Un-guided
  • C. Simplex

Correct Answer:

Un-guided


3 .  The voice channel has a bandwidth of

  • A. 0-2 KHz
  • B. 0-4 KHz
  • C. 4-5 KHz
  • D. 4-0 KHz

Correct Answer:

0-4 KHz


4 .  The voice channel has a bandwidth of

  • A. 0-2 KHz
  • B. 0-4 KHz
  • C. 4-5 KHz
  • D. 4-0 KHz

Correct Answer:

0-4 KHz


5 .  An important characteristic of fiber optics is

  • A. Refraction
  • B. De-fraction
  • C. Transaction
  • D. None of the Above

Correct Answer:

Refraction


6 .  A Search Engine is

  • A. A Software to search for engines
  • B. A device search for motor engine
  • C. A website that sells products and services
  • D. A website that look through databases for matching criteria

Correct Answer:

A website that look through databases for matching criteria


7 .  Transmit data in the form of light is Called

  • A. Fiber Glass
  • B. Color Glass
  • C. Both of the above
  • D. None of the above

Correct Answer:

Fiber Glass


8 .  The most common protocol used in WAN

  • A. Ethernet
  • B. X.25
  • C. IEEE
  • D. ISO

Correct Answer:

X.25


9 .  SNA is an example of

  • A. De Facto Protocol
  • B. De Jure Protocol
  • C. None

Correct Answer:

De Facto Protocol


10 .  SNA stands for

  • A. Simple Network Adapter
  • B. System Network Architecture
  • C. System Network Application
  • D. Small Network Application

Correct Answer:

System Network Architecture