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Computer Aptitude

BASIC COMPUTER KNOWLEDGE MCQs

Total Questions : 1975 | Page 60 of 198 pages
Question 591.  header of a frame generally contains
  1.    synchronization bytes
  2.    addresses
  3.    frame identifier
  4.    all of these
 Discuss Question
Answer: Option D. -> all of these
Explanation :
Question 592.  when 2 or more bits in a data unit has been changed during the transmission, the error is called
  1.    random error
  2.    burst error
  3.    inverted error
  4.    none of these
 Discuss Question
Answer: Option B. -> burst error
Explanation :
Question 593.  the physical layer concerns with
  1.    bit-by-bit delivery
  2.    process to process delivery
  3.    application to application delivery
  4.    none of these
 Discuss Question
Answer: Option A. -> bit-by-bit delivery
Explanation :
Question 594.  crc stands for
  1.    cyclic redundancy check
  2.    code repeat check
  3.    code redundancy check
  4.    cyclic repeat check
 Discuss Question
Answer: Option A. -> cyclic redundancy check
Explanation :
Question 595.  the physical layer concerns with
  1.    bit-by-bit delivery
  2.    process to process delivery
  3.    application to application delivery
  4.    none of these
 Discuss Question
Answer: Option A. -> bit-by-bit delivery
Explanation :
Question 596.  header of a frame generally contains
  1.    synchronization bytes
  2.    addresses
  3.    frame identifier
  4.    all of these
 Discuss Question
Answer: Option D. -> all of these
Explanation :
Question 597.  crc stands for
  1.    cyclic redundancy check
  2.    code repeat check
  3.    code redundancy check
  4.    cyclic repeat check
 Discuss Question
Answer: Option A. -> cyclic redundancy check
Explanation :
Question 598.  the data link layer takes the packets from _____ and encapsulates them into frames for transmission.
  1.    network layer
  2.    physical layer
  3.    transport layer
  4.    application layer
 Discuss Question
Answer: Option A. -> network layer
Explanation :
Question 599.  the physical layer concerns with
  1.    bit-by-bit delivery
  2.    process to process delivery
  3.    application to application delivery
  4.    none of these
 Discuss Question
Answer: Option A. -> bit-by-bit delivery
Explanation :
Question 600.  when 2 or more bits in a data unit has been changed during the transmission, the error is called
  1.    random error
  2.    burst error
  3.    inverted error
  4.    none of these
 Discuss Question
Answer: Option B. -> burst error
Explanation :

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