COMPUTER NETWORKING

Detailed explanation-1: -The open systems interconnection (OSI) model is a conceptual model created by the International Organization for Standardization which enables diverse communication systems to communicate using standard protocols.

Detailed explanation-2: -The Open Source Initiative (OSI), Open Source Definition (OSD) and OSI Approved Open Source Licenses are internationally recognized, and affirmed by the world’s leading open source software projects and companies.

Detailed explanation-3: -The 7 layers of the OSI model. The layers are: Layer 1-Physical; Layer 2-Data Link; Layer 3-Network; Layer 4-Transport; Layer 5-Session; Layer 6-Presentation; Layer 7-Application.