How Software Connects: Networks & Databases

HTTP/HTTPS, REST APIs, SQL databases, async event loops, caching, and authentication.

2 weeks · wk 6–7Applied pace6 topics18 Interview Questions

Why this pace:Modern software is distributed. Understanding how requests travel across networks and how databases preserve state is essential for every engineer.

SEC FOCUS

Use parameterized queries against SQL injection, enforce TLS 1.3 encryption, and protect against CSRF and XSS attacks.

Topics & Action Items (6)

HTTP, JSON & REST APIs

3 hrs

Databases and SQL Fundamentals

3.5 hrs

Async Programming & The Event Loop

3 hrs

File I/O and Streams

2 hrs

Regular Expressions (Regex)

2 hrs

Concurrency & Process Basics

2.5 hrs

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