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Computer Aptitude

BASIC COMPUTER KNOWLEDGE MCQs

Total Questions : 1975 | Page 53 of 198 pages
Question 521.  network congestion occurs
  1.    in case of traffic overloading
  2.    when a system terminates
  3.    when connection between two nodes terminates
  4.    none of the mentioned
 Discuss Question
Answer: Option A. -> in case of traffic overloading
Explanation :
Question 522.  a list of protocols used by a system, one protocol per layer, is called
  1.    protocol architecture
  2.    protocol stack
  3.    protocol suit
  4.    none of these
 Discuss Question
Answer: Option B. -> protocol stack
Explanation :
Question 523.  a keyboard is this kind of device ....................... .
  1.    Black
  2.    Input
  3.    Output
  4.    Word Processing
 Discuss Question
Answer: Option B. -> Input
Explanation :
Question 524.  the most common method of entering text and numerical data into a computer system is through the use of a-
  1.    Keyboard
  2.    Scanner
  3.    Printer
  4.    None of these
 Discuss Question
Answer: Option A. -> Keyboard
Explanation :
Question 525.  a keyboard is this kind of device ....................... .
  1.    Black
  2.    Input
  3.    Output
  4.    Word Processing
 Discuss Question
Answer: Option B. -> Input
Explanation :
Question 526.  which one of the following extends a private network across public networks?
  1.    local area network
  2.    virtual private network
  3.    enterprise private network
  4.    storage area network
 Discuss Question
Answer: Option B. -> virtual private network
Explanation :
Question 527.  a list of protocols used by a system, one protocol per layer, is called
  1.    protocol architecture
  2.    protocol stack
  3.    protocol suit
  4.    none of these
 Discuss Question
Answer: Option B. -> protocol stack
Explanation :
Question 528.  a _____ is a device that forwards packets between networks by processing the routing information included in the packet.
  1.    bridge
  2.    firewall
  3.    router
  4.    none of these
 Discuss Question
Answer: Option C. -> router
Explanation :
Question 529.  communication channel is shared by all the machines on the network in
  1.    broadcast network
  2.    unicast network
  3.    multicast network
  4.    none of the mentioned
 Discuss Question
Answer: Option A. -> broadcast network
Explanation :
Question 530.  in computer network nodes are
  1.    the computer that originates the data
  2.    the computer that routes the data
  3.    the computer that terminates the data
  4.    all of the above
 Discuss Question
Answer: Option D. -> all of the above
Explanation :

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