Physical Layer - OSI MCQs with answers Page - 10

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

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A

Admin • 802.91K Points
Coach

Q. Which Physical Layer parameter affects the capacity of a channel to carry information?

  • (A) Latency
  • (B) Bandwidth
  • (C) Noise level
  • (D) Packet size

A

Admin • 802.91K Points
Coach

Q. Which modulation technique changes the amplitude of the carrier signal?

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

A

Admin • 802.91K Points
Coach

Q. What is the role of a transceiver in the Physical Layer?

  • (A) Data encryption
  • (B) Converting signals for transmission and reception
  • (C) IP address resolution
  • (D) Packet switching

A

Admin • 802.91K Points
Coach

Q. What does the term 'noise' refer to in the Physical Layer?

  • (A) Delays in data transmission
  • (B) Unwanted electrical signals that distort the transmitted signal
  • (C) Loss of packets
  • (D) Signal strengthening

A

Admin • 802.91K Points
Coach

Q. What does 'line coding' refer to in Physical Layer terminology?

  • (A) Network addressing technique
  • (B) Encoding digital data into signals
  • (C) Routing protocol
  • (D) Error checking method

A

Admin • 802.91K Points
Coach

Q. What is the typical data rate of Ethernet cables categorized as Cat 5e?

  • (A) 100 Mbps
  • (B) 1 Gbps
  • (C) 10 Gbps
  • (D) 10 Mbps

A

Admin • 802.91K Points
Coach

Q. Which type of interference occurs when external radio frequencies disrupt communication?

  • (A) Crosstalk
  • (B) EMI
  • (C) Latency
  • (D) Attenuation

A

Admin • 802.91K Points
Coach

Q. What property of fiber optics allows signals to travel long distances with minimal loss?

  • (A) Total internal reflection
  • (B) Refraction
  • (C) Diffraction
  • (D) Attenuation

A

Admin • 802.91K Points
Coach

Q. Which physical layer standard supports wireless networking?

  • (A) IEEE 802.3
  • (B) IEEE 802.11
  • (C) RS-232
  • (D) V.35
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