The 7 layers of the OSI model The layers (from bottom to top) are: Physical, Data Link, Network, Transport, Session, Presentation, and Application.

Finally, the application layer is similar to OSI layers 5, 6, and 7 combined. 2. The seven layers of the OSI model somewhat correspond with the four layers that make up the TCP/IP protocol.

A dive into the seven-layer Open Systems Interconnection (OSI) model. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The OSI model is a product ...

A couple posts ago, we talked about Layer 1 of the OSI Model — the Physical Layer. Today, we’ll start our climb up the Model with a visit to Layer 2, the Data Link Layer.

The Physical Layer includes cable specs, pin-out patterns, voltages, hubs, repeaters, network cards, protocol standards (RJ45, V series modem standards) and even host bus adapters (HBA).