Lakshya Education MCQs

Question: In OSI model, which of the following layer provides error-free delivery of data?
Options:
A.Data link
B.Network
C.transport
D.Session
E.None of the above
Answer: Option C

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More Questions on This Topic :

Question 1. Error detection at the data link level is achieved by?
  1.    Bit stuffing
  2.    Hamming codes
  3.    Cyclic Redundancy codes
  4.    Equalization
  5.    None of the above
Answer: Option C
Question 2. The area of coverage of a satellite radio beam is known as
  1.    Footprint
  2.    Circular polarization
  3.    Beam width
  4.    Identity
  5.    None of the above
Answer: Option A
Question 3. Which of the following data transmission media has the largest terrestrial range without the use of repeaters or other devices?
  1.    Hardwiring
  2.    Microwave
  3.    Satellite
  4.    Laser
  5.    None of the above
Answer: Option C
Question 4. Bulletin board system
  1.    is a public access message system
  2.    is a modem capable of accepting commands
  3.    converts analog signals to digital signals
  4.    converts digital signals to analog signals
  5.    None of the above
Answer: Option A
Question 5. An error detecting code is which code is the remainder resulting from dividing the bits to be checked by a predetermined binary number, is known as
  1.    Cyclic redundancy check
  2.    Checksum
  3.    Error detecting code
  4.    Error rate
  5.    None of the above
Answer: Option A
Question 6. Which of the following allows devices on one network to communicate with devices on another network?
  1.    multiplexer
  2.    gateway
  3.    t-switch
  4.    modern
  5.    None of the above
Answer: Option B

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