DOT Net Telephonic Round Interview questions for 6+ Years of experience along with the skills C#.Net, ASP.Net, WCF & SQL Server

1. What are the different object oriented programming concepts?
2. What is abstraction?
3. What is the difference between overriding and new key words?
4. What is Asynchronous method?
5. What is the difference between Array list & List?
6. I have an array fixed & I need to increase the array length how to do that?
7. Explain the design patterns which you used in your application?
8. How many indexes are there in SQl Server?
9. If I don’t want to create primary key, can I create clustered Index?
10. For (int i=0, i<1, i++) {  If (i==1)   Continue  } then Console.writeline{i} }, What will be the return value.
11. What is the difference between function & stored procedure?
12. How to increase the performance of stored procedure?
13. What is the difference between # & @?
14. What are the events in ASP.Net page life cycle?
15. Where can we change master pages dynamically?
16. What is the difference between HTTP & TCP when we use them?
17. I want to use the WCF service for other technologies than .net how to do that?
18. What is the scope of   var keyword?
19. In exceptional handling how .net frame work know and throws error to the exact catch block?
20. What are the state management techniques in .Net?
21. What is the difference between Response. Redirect & Server. Transfer?
22. If I want to execute some code after Response. Redirect how to do that?