ASP.NET MVC Core Interview Questions and Answers

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ASP.NET MVC Interview Questions with answers :-

Question 1 :- What is ASP .NET MVC Core ?

Question 2 :- Differentiate between ASP .NET Webforms vs MVC vs MVC core

Question 3 :- Explain MVC Architecture ?

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 ?

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 ?

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?

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?

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 does Token based Authentication works?

Question 67 :- Why is it called JWT Token?

Question 68 :- Explain the 3 sections of JWT Token?

Question 69 :- What are Identity and claims ?

Question 70 :- Differentiate between Authentication VS Authorization ?

Question 71 : Claims vs Roles ?

Question 72 :- Principal vs Identity

Question 73 :- Can we put critical information in JWT Token ?

Question 74 :- How do you create JWT Token in MVC ?

Question 75 :- What HTTP status code do you send for unauthorized access ?

Question 76 :- Where is Token Checked in ASP.NET MVC ?

Question 77 :- What is use of Authorize Attribute ?

Question 78 :- How did you implement JWT token security ?

Question 79 :- How do we send tokens from Client Side ?

Question 80 :- From Javascript,Jquery,Angular etc , How is token passed ?

Question 81 :- Increase UX experience in Mobile apps to avoid relogin ?

Question 82 :- What are refresh tokens ?

Question 83 :- How does Refresh token work ?

Question 84 :- Access tokens vs Refresh Tokens ?

Question 85 :- Whose expiry time is more Access tokens or Refresh tokens?

Question 86 :- Explain revocation of Refresh token ?

Question 87 :- How to extract Principal from a Token ?

Question 88 :- What is the best practice to store tokens at client side?

Question 89 :- If we store JWT in cookie how to save from XX attacks?

Question 90 :- What OAUTH and OpenID ?

Question 91 :- When should we use what?

Question 92 :- What is Identity Server?

Question 93 :- How to achieve single sign on ?

Question 94 :- What are scopes in Identity Server ?

ASP.NET MVC Core interview questions with answers PDF.