: Knowledge of database systems (SQL and NoSQL), including data modeling, normalization, and querying.
: Detailed exploration of patterns such as Request-Response, Publish-Subscribe, Push, Pull, and Long Polling. Deep Dive into Protocols : Comprehensive coverage of networking protocols including HTTP/1.1, HTTP/2, and HTTP/3 , gRPC, WebRTC, and WebSockets. Security & Encryption udemy fundamentals of backend engineering better
: It dives deep into HTTP/1.1, HTTP/2, and HTTP/3 (QUIC) , explaining the actual cost of parsing requests and the differences between TCP and UDP . : Knowledge of database systems (SQL and NoSQL),