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Data Link Layer Terms and Services such as frame, node, medium.
Creating a frame.
Data Link Layer sublayers: Logical Link Control and Media Access Control.
Media Access control methods for both of shared and non-sahred media.
Physical Topology: is an arrangement of the nodes and the physical connections between them.
Logical Topology: is the way a network transfers frames from one node to the next.
Data link layer addressing requirements.
Ethernet Protocol for LANs, Point-to-Point Protocol for WANs and Wireless Protocol for LANs.