Question: Which two functions are performed at the MAC sublayer of the OSI data link layer? ( Choose two. ) check _ box _ outline _

Which two functions are performed at the MAC sublayer of the OSI data link layer? (Choose two.)
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Integrates various physical technologies.
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Places information in the frame that identifies which network layer protocol is being used for the frame.
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Controls the NIC responsible for sending and receiving data on the physical medium.
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Communicates between the networking software at the upper layers and the device hardware at the lower layers.
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Adds Layer 2 control information to network protocol data.

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