Tech Mahindra Full Stack .NET Mid

Explain Dependency Injection lifetimes in ASP.NET Core.

Singleton = one instance for the whole app (cache). Scoped = one per HTTP request (DbContext). Transient = new every time (lightweight helpers). In ShopNest, AppDbContext is Scoped so two requests never share the same DB tracker.

Tech Mahindra rounds often probe: Full-stack JS/.NET.

Themes commonly reported in public MNC interview experiences (AmbitionBox / LinkedIn / Glassdoor-style). Practice aloud; keep answers this short in the real round.

More Tech Mahindra Full Stack .NET questions

What is the difference between authentication and authorization?
How do you prevent SQL injection in .NET?
Explain JWT and where you store it on the client.
What is the N+1 query problem?
Write the idea for 3rd highest salary in SQL.
Abstract class vs interface in C#?

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