How to set CORS policies in ASP.NET Core Configure in Startup.cs or Program.cs: services.AddCors(options => { options.AddPolicy("AllowSpecificOrigin", builder => { builder.WithOrigins(" .AllowAnyHeader() .AllowAnyMethod(); }); }); Enable middleware:

Short answer: pp.UseCors("AllowSpecificOrigin"); pp.UseCors("AllowSpecificOrigin"); pp.UseCors("AllowSpecificOrigin"); pp.UseCors("AllowSpecificOrigin"); pp.UseCors("AllowSpecificOrigin"); pp.UseCors("AllowSpecificOrigin"); pp.UseCors("AllowSpecificOrigin"); pp.UseCors("AllowSpecificOrigin");

Real-world example (ShopNest)

ShopNest pipeline order matters: exception handling → HTTPS → auth → authorization → endpoints. Auth must run before protected APIs.

Say this in the interview

1. Define — one clear sentence (the short answer above).
2. Example — relate it to a project like ShopNest or your real work.
3. Trade-off — when you would not use it.