.NET CLI, SDK & Project Structure (csproj) .NET vs .NET Framework API Versioning ASP.NET Core Middleware & Request Pipeline Assemblies & NuGet Authentication & Authorization (Identity, JWT, OAuth) Background Services Blazor (Server & WebAssembly) Caching (In-Memory, Distributed & Redis) CI/CD, Publishing & Deployment CLR & Runtime Configuration & Options CORS & Cross-Origin Resource Sharing Dependency Injection Diagnostics & Performance Docker & Containerization Entity Framework Core & Data Access Generic Host Global Exception Handling & Middleware gRPC Services Health Checks & Readiness/Liveness Probes Logging Microservices & Distributed Architecture Patterns Minimal APIs MVC & Razor Pages Rate Limiting & Throttling RESTful Web APIs & Controllers Secrets Management & Configuration Providers (Key Vault, User Secrets) SignalR & Real-Time Communication Testing in .NET (xUnit, Integration & Unit Testing) Worker Services & IHostedService