OSI Reference Layers MCQs with answers Page - 9

You will find multiple-choice questions (MCQs) related to #OSI Reference Layers here. Go through these questions to prepare effectively for your upcoming exams and interviews.

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A

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Q. Which signal impairment is caused by the spreading of a signal over time?

  • (A) Attenuation
  • (B) Noise
  • (C) Delay distortion
  • (D) Interference

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Q. Which transmission medium is LEAST affected by environmental noise?

  • (A) Twisted pair
  • (B) Coaxial cable
  • (C) Fiber optic cable
  • (D) Radio waves

A

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Q. Which of these is NOT a Physical Layer transmission impairment?

  • (A) Attenuation
  • (B) Jitter
  • (C) Noise
  • (D) Delay distortion

A

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Q. Which Physical Layer standard is used for serial communication?

  • (A) IEEE 802.3
  • (B) RS-232
  • (C) VLAN
  • (D) IPSec

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Q. What is the main unit of data at the Physical Layer?

  • (A) Frame
  • (B) Packet
  • (C) Bit
  • (D) Segment

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Q. Which term defines the maximum frequency range that a medium can transmit?

  • (A) Bandwidth
  • (B) Throughput
  • (C) Latency
  • (D) Jitter

A

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Q. Which is an example of guided transmission media?

  • (A) Microwave
  • (B) Fiber optic cable
  • (C) Infrared
  • (D) Radio waves

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Q. Which of the following is responsible for line configuration in networking?

  • (A) Network Layer
  • (B) Transport Layer
  • (C) Physical Layer
  • (D) Application Layer

A

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Q. In the Physical Layer, what is crosstalk?

  • (A) Signal delay
  • (B) Signal distortion
  • (C) Unwanted transfer of signals between communication channels
  • (D) Loss of data

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Q. Which medium has the highest immunity to tapping and unauthorized access?

  • (A) Twisted pair cable
  • (B) Coaxial cable
  • (C) Fiber optic cable
  • (D) Microwave
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