What is a function of the MAC sublayer? (Choose three.)

IT Questions BankCategory: CCNA 1 v7What is a function of the MAC sublayer? (Choose three.)

What is a function of the MAC sublayer? (Choose three.)

  • controls access to the media
  • checks for errors in received bits
  • uses CSMA/CD or CSMA/CA to support Ethernet technology
  • communicates between software at the upper layers and the device hardware at the lower layers
  • allows multiple Layer 3 protocols to use the same network interface and media

Explanation: The MAC sublayer checks for bit errors, supports Ethernet technologies, and controls access to the media.

More Questions: 7.1.5 Check Your Understanding – Ethernet Switching


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