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Chapter 3 TCP/IP Networks

What is the layer 3 of TCP IP model?
Layer 3 is the Network or Internet layer.
When transmitting data (packets), this layer adds a header containing the source and destination IP addresses to the data received from the Transport layer.
What is TCP IP in networking?
TCP/IP stands for Transmission Control Protocol/Internet Protocol.
TCP/IP is a set of standardized rules that allow computers to communicate on a network such as the internet.
What are the TCP IP network levels?
What are the layers of the TCP/IP model? There are four layers of the TCP/IP model: network access, internet, transport, and application.
IPv4 addresses are 32-bit numbers represented as strings of 0s and 1s.
As mentioned before, the Layer 3 header contains a Source IP Address field and a Destination IP Address field.
Each field is 32 bits in length.

What is the layer 3 of TCP IP model?