Skip to content

Blog Interview .NET React SQL System Design AI Azure Angular About

PrepStack

Tech learning hub for developers.

Learn

Blog
Interview questions
Search

Site

About
RSS feed
Sitemap

Pages

Privacy Policy
Contact
Terms of Service

© PrepStack. Made with care.

Home
Interview
.NET

.NET interview questions

C#, ASP.NET Core, EF Core, performance, and architecture.

.NETMedium

Mediator pattern in .NET — MediatR walkthrough with CQRS

4 views

.NETMedium

Decorator pattern in C# — cross-cutting concerns without inheritance

1 views

.NETHard

Specification pattern in .NET — composable, testable business rules

1 views

.NETMedium

Open/Closed Principle in .NET — without abstract-factory-itis

2 views

.NETMedium

When is it OK to break SOLID? A pragmatic guide

2 views

.NETMedium

Repository pattern vs Unit of Work — do you still need both with EF Core?

3 views

.NETMedium

Caching strategies compared — in-memory vs distributed vs CDN, with .NET examples

1 views

.NETHard

Parallel.ForEach vs Task.WhenAll vs PLINQ — which scales better and when

2 views

.NETEasy

Docker Compose networking — service discovery, ports, and the bridge driver

1 views

.NETMedium

Docker image security scanning — Trivy, Snyk, and the SBOM workflow

1 views

.NETHard

Large Object Heap (LOH) in .NET — when objects go there and how to avoid Gen 2 fragmentation

3 views

.NETEasy

Docker volumes vs bind mounts — when to use which

2 views

.NETEasy

Func, Action, Predicate — when to use which delegate type in C#?

1 views

.NETMedium

C# generic constraints — when and how each "where T :" actually works

1 views

.NETMedium

throw vs throw ex in C# — the stack-trace difference with example

2 views

.NETMedium

ASP.NET Core model binding — how it works and how to extend it

1 views

.NETMedium

IHostedService vs BackgroundService in ASP.NET Core — when to pick which

1 views

.NETMedium

IOptions vs IOptionsSnapshot vs IOptionsMonitor in ASP.NET Core

.NETMedium

IHttpClientFactory in ASP.NET Core — why you should never new HttpClient()

.NETMedium

IDisposable vs IAsyncDisposable in C# — when each one matters

3 views