What does OSI model actually mean? ... Layers 1 and 2 are required for every type of communications. For more on this layer, see data link protocol. Physical Layer 1.

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 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).

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 ...