Systems Concepts Web Servers Databases

See how clients, servers, and endpoints cooperate to form a web application.

Understand what a server does all day and how it responds to many users at once.

Learn what APIs are and how they let software components talk to each other.

Discover how databases store, organize, and protect data over time.

Understand how applications remember who you are and what you are doing.

Explore common ways to structure systems, from monoliths to microservices.

Learn how to talk about latency, throughput, and scaling strategies.

Recognize the basic security concerns every web system must address.

Use diagrams to think clearly about how data and requests move through systems.