What are the 5 layers in the internet protocol stack andwhat are the principal responsibilities of eack of theselayers.?

The 5 different layers in the IP stack are as follows:

1. Physical Layer

2. Data Link Layer

3. Network Layer

4. Transport Layer

5. Application Layer

Explanation:

The functions of the different layers are:

The physical layer is concerned with transfer of bits  across the different nodes, The data link layer is concerned with transmission of frames with error detection and correction. The network layer is concerned with routing the packets across various nodes in the router. The transport layer deal with the implementation of protocols such as TCP and UDP. The Application layer host a numerous software applications such as  HTTP, SMTP for client server connections.

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