What is a purpose of the physical layer in data communication?

IT Questions BankCategory: Network FundamentalsWhat is a purpose of the physical layer in data communication?

What is a purpose of the physical layer in data communication?

  • to wrap data packets into frames
  • to make sure that MAC addresses are unique in each frame
  • to control the access sequence of frames to the transmission media
  • to convert a frame into a series of signals to be transmitted on the local media

Exam with this question: Network Fundamentals - CCNA Exploration 1: ENetwork Chapter 8 Exam

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