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Module 10 · Free

Networking and Protocols

Understand the networking fundamentals every QA needs: HTTP/HTTPS, TCP/IP, DNS, cookies, caching, WebSockets, and traffic analysis tools.

15 lessons intermediate
0 of 15 lessons complete
1
OSI and TCP/IP Models Learn the OSI and TCP/IP network models from a QA perspective. Understand which layers cause common …
25 min beginner
2
HTTP Deep Dive Deep dive into HTTP/1.1, HTTP/2, and HTTP/3 for QA engineers. Master advanced headers, caching, …
30 min intermediate
3
DNS for Testers Master DNS fundamentals for QA testing. Learn resolution processes, record types, diagnostic tools, …
25 min beginner
4
SSL/TLS Testing Learn SSL/TLS testing for QA. Master the TLS handshake, certificate validation, security headers, …
30 min intermediate
5
Proxy Tools: Charles, Fiddler, mitmproxy Master proxy tools for QA testing. Learn Charles Proxy, Fiddler, and mitmproxy for traffic …
35 min intermediate
6
WebSocket Protocol Testing Learn WebSocket protocol testing for QA. Master connection lifecycle, message testing, reconnection …
25 min intermediate
7
Network Emulation and Throttling Learn network emulation and throttling for QA. Simulate 3G, 4G, packet loss with Chrome DevTools, …
25 min intermediate
8
Load Balancer and CDN Testing Learn load balancer and CDN testing for QA. Master session affinity, health checks, failover, and …
25 min intermediate
9
Firewall and WAF Testing Learn firewall and WAF testing for QA. Master false positive testing, rate limiting, and security …
25 min intermediate
10
TCP vs UDP Compare TCP and UDP for QA. Learn connection states, TIME_WAIT issues, and testing implications.
20 min beginner
11
API Gateway Testing Learn API gateway testing for QA. Master routing, rate limiting, authentication, and circuit breaker …
25 min intermediate
12
VPN Testing Learn VPN testing for QA. Master connectivity, split tunneling, DNS leak detection, and performance …
25 min intermediate
13
IPv4 vs IPv6 Testing Learn IPv4 vs IPv6 testing for QA. Master address format validation, dual-stack, and Happy Eyeballs.
20 min intermediate
14
Wireshark for QA Learn Wireshark for QA network debugging. Master capture filters, display filters, TCP analysis, and …
30 min intermediate
15
Module 10 Assessment Module 10 Assessment: Test your networking and protocols knowledge with scenario-based questions and …
45 min intermediate
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