The Data Link Layer is one of my favorite layers ... They can also occur on the WAN, at the connections between adjacent nodes. Layer 2 functions occur before an IP-based connection is ever ...

Protocols at roughly OSI Layers 2 through 4 are in the ... In the enterprise, data link protocols provide functions such as finding a path and managing parallel paths. In LANs, the most common ...

A tutorial on the Open Systems Interconnection (OSI) networking reference model plus tips on how to memorize the seven layers. The Open Systems Interconnect (OSI) model is a conceptual framework ...