What does OSI model actually mean? Find out inside PCMag's comprehensive tech and computer-related encyclopedia.

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).

For these to happen, we are relying on seamless data flow every minute, every day. That’s why institutions worldwide have created standards for fluent communications – one of the most famous ones is ...

The Data Link Layer is one of my favorite layers of the OSI Model. Like a father who loves ALL of his children equally, but in different ways, I also love the other layers, but Layer 2 will always ...