Wipro Interview questions 2010

1. What is assembly
2. What are authentications ? (Mention IIS and .net authentications)
3. What is singleton class
4. What are access modifiers explain
5. Public,private,protected,Protected internal
6. What is shared assemblies
7. What is versioning
8. Difference between ASP and ASP.net
9. Difference between WebServices and WCF
10. What is use of Webservice when you have DCOM
11. How do you retrieve hierarchical data from database
12. What is static class
13. difference between abstract class and static class
14. difference between interface and abstract class
15. Use of Interface and delegates
16. How do you handle webservice event in the page
17. Page Life cycle
18. Application Life cycle
19. Session Modes
20. Five Modes of Trace Switches.