I know that network communication is structured in layers (e.g., OSI and TCP/IP models), but I am not sure why this layering is necessary. My questions are:
- How does the layered approach help with troubleshooting and standardization?
- What are the key differences between the OSI and TCP/IP models?
- How do different layers interact when data is sent and received?
A clear explanation with examples of how data moves through network layers would be useful.