Physical Layer MCQ

Test your knowledge with important Physical Layer MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Physical Layer MCQs at Bissoy

• Wireless transmission of signals can be done via ___________
  ক

  radio waves

  খ

  microwaves

  গ

  infrared

  ঘ

  all of the mentioned
• A single channel is shared by multiple signals by ____________
  ক

  analog modulation

  খ

  digital modulation

  গ

  multiplexing

  ঘ

  phase modulation
• The physical layer translates logical communication requests from the ______ into hardware specific operations.
  ক

  data link layer

  খ

  network layer

  গ

  trasnport layer

  ঘ

  application layer
• The physical layer is responsible for __________
  ক

  line coding

  খ

  channel coding

  গ

  modulation

  ঘ

  all of the mentioned
• In asynchronous serial communication the physical layer provides ___________
  ক

  start and stop signalling

  খ

  flow control

  গ

  both start & stop signalling and flow control

  ঘ

  only start signalling
• The physical layer provides __________
  ক

  mechanical specifications of electrical connectors and cables

  খ

  electrical specification of transmission line signal level

  গ

  specification for IR over optical fiber

  ঘ

  all of the mentioned
• The portion of physical layer that interfaces with the media access control sublayer is called ___________
  ক

  physical signalling sublayer

  খ

  physical data sublayer

  গ

  physical address sublayer

  ঘ

  physical transport sublayer
• Bits can be sent over guided and unguided media as analog signal by ___________
  ক

  digital modulation

  খ

  amplitude modulation

  গ

  frequency modulation

  ঘ

  phase modulation
• Which transmission media provides the highest transmission speed in a network?
  ক

  coaxial cable

  খ

  twisted pair cable

  গ

  optical fiber

  ঘ

  electrical cable
• The physical layer is concerned with ___________
  ক

  bit-by-bit delivery

  খ

  process to process delivery

  গ

  application to application delivery

  ঘ

  port to port delivery