Which two functions are performed at the MAC sublayer of the OSI data link layer? (Choose two.)
- Provides synchronization between source and target nodes.
- Integrates various physical technologies.
- Communicates between the networking software at the upper layers and the device hardware at the lower layers.
- Adds Layer 2 control information to network protocol data.
- Enables IPv4 and IPv6 to utilize the same network interface and media.