eli5 What the layers of the OSI Model do

Question

I have memorized the 7 layers of the OSI model by watching Jeremy’s IT lab and Neil Andersons Udemy course. I understand how the physical, transport, and session layers work, but I don’t understand layers 2, 3, 6, and 7 work.

In: 2

Answer 1

**Application Layer** – Where humans and computers interact with each other.

**Presentation Layer** – Where the computer converts the data into something useable for people or usable for the network, as appropriate. Also where encryption/dectryption happens.

**Session Layer** – Manages the connections between computers.

**Transport Layer** – Transmits/receives the data sent between computers

***———- Dividing Line between your software and network hardware ———-***

**Network Layer** – Decides what path the transmitted data will take

**Data Link Layer** – Decides what the transmitted data will look like, or its format

**Physical Laye**r – The actual, physical path.

It’s worth noting that this is a conceptual framework and isn’t gospel by any stretch of the imagination.