Which two functions are performed at the MAC sublayer of the OSI data link layer? (Choose two.)

Which two functions are performed at the MAC sublayer of the OSI data link layer? (Choose two.)

  • Provides a mechanism to allow multiple devices to communicate over a shared medium.
  • Controls the NIC responsible for sending and receiving data on the physical medium.
  • Places information in the frame that identifies which network layer protocol is being used for the frame.
  • Adds Layer 2 control information to network protocol data.
  • Enables IPv4 and IPv6 to utilize the same network interface and media.

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