Describe how the Internet works.

Description should include a general overview of the Internet’s structure and functionality, and a discussion of

• the concept of the Internet as a global network of linked computer networks
• network and telecommunication devices and components (e.g., switches, routers)
• network protocols for transmitting data (e.g., HyperText Transfer Protocol [HTTP], File Transfer Protocol [FTP], Transmission Control Protocol/Internet Protocol, [TCP/IP])
• services such as email and the Internet.