What are the purpose and functions of the physical layer in data networks? (Choose two.)

Last Updated: Jan 20, 2023
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What are the purpose and functions of the physical layer in data networks? (Choose two.)

  • Controls how the data is transmitted onto the physical media
  • Encodes the data into signals
  • Provides logical addressing
  • Packages bits into data units
  • Controls media access

Explanation: The physical layer controls data transmitted onto the media and provides encoding of the bits. Logical addressing is provided by Layer 3. The packaging of bits and Media Access Control is provided by the data link layer.

Related exam: CCNA 1 ITNv6 Chapter 4: Check Your Understanding

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