.NET Interview Questions

I already faced the following questions in my previous interview:

ASP.NET Webform || ASP.NET Core 

• Asked question on Web API Routing
• Asked question on HTTP Verbs 
• Asked question on View State || Session State || Cookies
• Different between Session State Vs Cookies
• How can you share data from one page to another?
• Asked questioned  Page Life Cycle in ASP.NET Webform
• Classify State Management in ASP.NET Webform
• Asked question on  User Control || Why you used User Control? Can you add more than User Control in one web form?
• Asked question on the Master Page in ASP.NET Webform || How many master page we can build in a page?

Important Questions and Answers

venkataspinterview - ASP.NET Interview Questions and Answers

venkatasinterview -mvc-interview-questions.html

dotnettutorials.net - ASP.NET MVC-interview-questions-answers

Questpond- YouTube ASP.NET MVC QA

ASP.NET MVC Interview Questions with answers - Part 1.

• Question 1 :- What is ASP .NET MVC Core ?  - Done 
• Question 2 :- Differentiate between ASP .NET Webforms vs MVC vs MVC core? - Done
• Question 3 :- Explain MVC Architecture? 
• MVC is an architectural pattern where we divide the project into 3 layers - Model,View and Controller.
• 
  
• Question 4 :- Why do we have wwwroot folder ?
• Question 5 :- Explain the importance of appsettings.json ?
• Question 6 :- How to read configurations from appsettings.json ?
• Question 7 :- What is dependency injection ?
• Question 8 :- Why do we need dependency injection ?
• Question 9 :- How do we implement dependency injection ?
• Question 10 :- What is the use of Middleware ?
• Question 11 :- How to create a Middle ware ?
• Question 12 :- What does startup.cs file do ?
• Question 13 :- ConfigureServices vs Configure method ?
• Question 14 :- Explain the different Ways of doing DI?
• Question 15 :- Explain Scoped vs Transient vs Singleton ?
• Question 16 :- What is Razor ?
• Question 17 :- How to pass Model data to a View ?
• Question 18 :- What is the use of Strongly typed views ?
• Question 19 :- Explain the concept of ViewModel in MVC ?
• Question 20 :- What is Kestrel Web Server ?
• Question 21 :- Why Kestrel when we have IIS server ?
• Question 22 :- What is the concept of Reverse proxy ?
• Question 23 :- What are cookies ?
• Question 24 :- What is the need session management ?
• Question 25 :- What are the various ways of doing Session management in ASP.NET ?

ASP.NET MVC Interview Questions with answers - Part 2.

• Question 26 :- What exactly is a session ?
• Question 27 :- Explain "HTTP is a stateless protocol" ?
• Question 28 :- What are various way of doing session management ?
• Question 29 :- Are sessions enabled by default ?
• Question 30 :- How to enable sessions in MVC core ?
• Question 31 :- Are sessions variables shared(global) between users ?
• Question 32 :- Do session variables use cookies ?
• Question 33 :- What is a cookie ?
• Question 34 :- Explain idle time out in sessions ?
• Question 35 :- What does a Context means in HTTP ?

ASP.NET MVC Interview Questions with answers - Part 3.

• Question 36 :- When should we use viewdata ?
• Question 37 :- How to pass data from controller to view ?
• Question 38 :- In same request can viewdata persist across actions ?
• Question 39 :- ViewData vs ViewBag
• Question 40 :- How does ViewBag work internally?
• Question 41 :- Explain ViewModel?
• Question 42 :- ViewBag vs ViewModel whats the best practice?

ASP.NET MVC Interview Questions with answers - Part 4.

• Question 43 :- Explain tempdata ?
• Question 44 :- Can tempdata persist across action redirects ?
• Question 45 :- How is tempdata different from viewdata ?
• Question 46 :- If tempdata is read is it available for next request ?
• Question 47 :- How to persist tempdata ?
• Question 48 :- What does Keep do in tempdata ?
• Question 49 :- Explain Peek in tempdata ?
• Question 50 :- How is tempdata different from session variables ?
• Question 51 :- If i restart the server does tempdata,session stay ?
• Question 52 :- Is tempdata private to a user ?
• Question 53 :- ViewData vs ViewBag vs Tempdata vs Session variables?

ASP.NET MVC Interview Questions with answers - Part 5.

• Question 54 :- What is WebAPI ?
• Question 55 :- What is the advantage of WebAPI ?
• Question 56 :- Explain REST and Architectural constraints of REST?
• Question 57 :- Can we use TCPIP protocol with Web API?
• Question 58 :- How WebAPI different from MVC controller ?
• Question 59 :- What is content negotiations in Web API ?
• Question 60 :- WebAPI vs WCF ?
• Question 61 :- WCF REST vs WebAPI REST ?
• Question 62 :- How to return HTTP status codes ?
• Question 63 :- For error which status code is returned ?
• Question 64 :- How did you secure your web API ?
• Question 65 :- How do current JS frameworks work with webAPI ?
• Question 66 :- How did you implement JWT token security ?