Physical Layer - OSI MCQs with answers Page - 6

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Q. Which of the following is NOT a guided transmission medium?

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

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Q. Which is faster in terms of data transmission?

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

A

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Q. The Physical Layer primarily interacts with which of the following?

  • (A) Software applications
  • (B) User interface
  • (C) Hardware
  • (D) Operating system

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Q. Which property is most important in choosing a transmission medium?

  • (A) Length
  • (B) Material cost
  • (C) Bandwidth capacity
  • (D) Color

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Q. In the Physical Layer, the term 'throughput' refers to:

  • (A) Number of users on the network
  • (B) Actual data rate achieved
  • (C) Signal strength
  • (D) Packet loss

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Q. Which of these is NOT a type of signal modulation?

  • (A) Amplitude Modulation
  • (B) Frequency Modulation
  • (C) Phase Modulation
  • (D) Error Modulation

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Q. The term 'propagation delay' in the Physical Layer refers to:

  • (A) Time taken for data to reach the receiver
  • (B) Processing delay in the application
  • (C) Transmission medium length
  • (D) Routing delay

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Q. Which is NOT a transmission mode in the Physical Layer?

  • (A) Simplex
  • (B) Half-duplex
  • (C) Full-duplex
  • (D) Multiplex

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Q. Which term describes the distance a signal can travel without significant degradation?

  • (A) Attenuation
  • (B) Latency
  • (C) Signal range
  • (D) Bandwidth

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Q. Which type of signal transmission uses continuous waves?

  • (A) Digital transmission
  • (B) Analog transmission
  • (C) Pulse-code modulation
  • (D) Baseband transmission
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