Which two functions are performed at the MAC sublayer of the OSI data link layer? (Choose two.)CASE 1:Adds Layer 2 control information to network protocol data.Places information in the frame that identifies which network layer protocol is being used for the frame.Controls the NIC responsible for sending and receiving data on the physical medium.Implements a trailer to detect transmission errors.Enables IPv4 and IPv6 to utilize the same network interface and media.

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