Question

What are all the networking layers and their sub categories?

Answer 1

   There are  seven Network  layer  such as  

Layer 7 - The application layer

Layer 6- The presentation layer

Layer 5-The session layer

Layer 4- The transport layer

Layer 3- The network layer

Layer 2- The data-link layer

Layer 1- The physical layer

The data  link layer is out  into  2 sub layers  and media access  control  later  and logical  link control  layer .