What are two functions supported by a data link layer protocol? (Choose two.)
- determining the best path to forward packets
- controlling how data is placed and received on the media
- providing an addressing scheme for reaching destination networks
- accepting Layer 3 packets and packaging them into frames
- encoding and decoding messages
Explanation: There are several functions supported by the data link layer protocols, including these:
allowing the upper layers to access the media
accepting Layer 3 packets and packaging them into frames
preparing network data for the physical network
controlling how data is placed and received on the media
exchanging frames between nodes over a physical network media
Determining the best path to forward packets and providing an addressing scheme to reach remote destination networks are supported by Layer 3 (internet) protocols. Encoding and decoding messages are supported by Layer 6 (presentation) protocols.
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