This document provides an overview of key components of networking infrastructure: - IP (Internet Protocol) is the standard that governs how devices connect to networks and the internet and includes assigning each device an IP address. - TCP (Transmission Control Protocol) works with IP to ensure reliable transmission of data packets across networks. - HTTP (Hypertext Transfer Protocol) is the foundation of the World Wide Web and is used to load web pages. - HTML (Hypertext Markup Language) is the code that web developers use to structure and present content on websites.