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What is the primary function of the Physical Layer in the OSI model?

Practice Questions

Q1
What is the primary function of the Physical Layer in the OSI model?
  1. Data formatting
  2. Signal transmission
  3. Session management
  4. Error handling

Questions & Step-by-Step Solutions

What is the primary function of the Physical Layer in the OSI model?
  • Step 1: Understand that the OSI model has 7 layers, and the Physical Layer is the first one.
  • Step 2: Know that the Physical Layer deals with the actual hardware used in networking, like cables and switches.
  • Step 3: Realize that its main job is to send and receive raw data bits (0s and 1s) over these physical connections.
  • Step 4: Remember that it does not understand the meaning of the data; it only transmits it as electrical signals, light pulses, or radio waves.
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