CSC .Net Interview Questions

1. Tell Me Abt Ur Project .. ? Roles And Responsibilities
2. What Is Meant  By 3-Tier Architecture ?
3. What Is Use Of 3-Tier Architecture ? Difference Between 3-Tier Architecture And 3 Layered Architecture
4. What Does Business Logic Layer And Databases  Layer Contains ?
5. Take Simple Form In Ur Project , Explain How Data Is Access ( What R The Methods U Called For Inserting The  Values, Passing The Parameters From One Tier To Another)?
6. Difference  Between Abstract Classes And Interface ?
7. Can We Create The Object For Abstract Classes ? Is It Necessary  To Implement All The Methods Of Abstract   Classes  In  Derived  Class ?
8. Can I Implement Multiple Number Of Interfaces In A Single Class ?
9. What Is Meant  By Partial Class ?
10. Difference Between 2.0 And 3.5 ?
11. What Are The New Base  Class Methods In   .Net 3.5  ?
12. What Is Meant By Object Instance Initialization In .Net 3.5 ?
13. How Can U Handle The Trouble Shooting In Ur Project ? What Is The Use Of  N-Unit ? Did U Use Linq In Ur Project .. ?  
14. “Var” Data Type ? And  Tell Me The Extension Methods ?
15. Can We Write The Code For I Have List And I Have The Table Employee With Employ Id, Employee  Name  ,I   Fill The Table In Datasetset  ,By Using “Foreach” Loop Collect Result Row Collection For List ?Did U Use Ajax In Ur Project ..
16. What Is Meant By  Ajax  ?  Use Of Ajax ?
17. Can I Have A Multiple Update Panel In A Webpage ? 
18. In Which  Scenario We Use  In Conditional Mode In Update Panel ?
19. What Is The Use Of Script Manger And Proxy Script Manger ? What Are Ajax Tools U Used In Ur Project ?
20. Is It Possible To Invoke The Modal Popup From Code Behind ?
21. What Happens When Page Is Refresh On Modal Popup ?
22. Page Life Cycle Events ?
23. When The Page Is Post-Back By An Event Handlers (Like  Dropdownselectedindex, Tnclickevent) When This Event Is Executed Before Page Load  Or After Page Load ?
24. What Is The “Auto Event Fired”  What Happened  When  It Is True,False ?
25. What Is The Use Of View State, If It Is Turned Off  What Happened ?
26.  In Process And Out Process Session Memory ?
27. In Which Scenario We Can Use Out Process Session ?
28. Difference Between Application Variables And Session Variables , Where We Maintain Application State ?
29. In Forms Authentication , Cookie, True Or False Represents ?
30. Difference Between The Cookies And Sessions ?
31. Types Of Cache ? Vary By Param ? Time Slide Expiration ?
32. How Can We Set The Time Out Of For  Data Caching ?
33.  My Stored Procedure Returns 3 Results Set , Does The Data Reader Can Handle ?
34. Difference Between Data Set And Data Reader ? Which Is Light Weighted ?
35.  Where Does  The Caching The Data Located ?
36. What Is Meant By Nullable Type ?
37. Did Use Jquey,Json ?