OSI Model Layer 1: The Physical Layer (Cables, Signals & Bits)

We’ve completed an incredible journey through the OSI Model! We’ve seen applications create data, the Presentation Layer (Layer 6) format it securely, the Session Layer (Layer 5) manage conversations, the Transport Layer (Layer 4) ensure reliable delivery, the Network Layer (Layer 3) route it globally, and the Data Link Layer (Layer 2) handle local transfers. […]