Day 12. Network Theory
CompTIA Network+ N10-006 Exam Topics
5.2 Explain the basics of network theory and concepts
Today’s exam topic includes details about the layers of the TCP/IP protocol suite as well as network theory and concepts. Therefore, our review will progress through the layers.
The TCP/IP Application Layer
The application layer of the TCP/IP model provides an interface between software, such as a web browser, and the network itself. The process of requesting and receiving a web page works like this:
1. An HTTP request is sent, including an instruction to “get” a file, which is often a website’s home page.
2. An HTTP ...