Physical Layer - OSI MCQs with answers Page - 4

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 layer is responsible for converting data into electrical, optical, or radio signals?

  • (A) Data Link Layer
  • (B) Network Layer
  • (C) Physical Layer
  • (D) Transport Layer

A

Admin • 802.91K Points
Coach

Q. What is multiplexing in the context of the Physical Layer?

  • (A) Combining multiple signals on one medium
  • (B) Packet switching
  • (C) Error detection
  • (D) Address resolution

A

Admin • 802.91K Points
Coach

Q. What does 'duplexing' refer to at the Physical Layer?

  • (A) Speed of transmission
  • (B) Signal strength
  • (C) Direction of communication
  • (D) Encryption of data

A

Admin • 802.91K Points
Coach

Q. Which of these is a mode of data transmission in the Physical Layer?

  • (A) Simplex
  • (B) Half-duplex
  • (C) Full-duplex
  • (D) All of the above

A

Admin • 802.91K Points
Coach

Q. What type of Physical Layer connection uses light pulses to transmit data?

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

A

Admin • 802.91K Points
Coach

Q. Which of these terms refers to the rate at which data is transferred?

  • (A) Bit rate
  • (B) Baud rate
  • (C) Bandwidth
  • (D) All of the above

A

Admin • 802.91K Points
Coach

Q. In the Physical Layer, what does modulation achieve?

  • (A) Changing the frequency of a signal
  • (B) Adding encryption
  • (C) Detecting errors
  • (D) Defining IP addresses

A

Admin • 802.91K Points
Coach

Q. What type of Physical Layer medium is used in traditional telephone lines?

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

A

Admin • 802.91K Points
Coach

Q. Which of these technologies operate at both the Physical and Data Link Layers?

  • (A) Ethernet
  • (B) TCP
  • (C) IP
  • (D) SMTP

A

Admin • 802.91K Points
Coach

Q. Which of the following Physical Layer devices can connect multiple network segments?

  • (A) Switch
  • (B) Hub
  • (C) Repeater
  • (D) Bridge
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