.Net Frequently asked questions having the skills C# .Net, OOPS Concept, ASP.Net and WCF

1. What is the Difference between asp and Asp.net?
2. How do you do exception management?
3. If you are using components in your application, how can you handle exceptions raised in a component?
4. Can we throw exception from catch block?
5. How do you relate an aspx page with its code behind page?
6. What are the types of assemblies and where can u store them and how?
7. What is difference between value and reference types?
8. Is array reference type / value type?
9. Is string reference type / value type?
10. What is web.config. How many web.config files can be allowed to use in an application?
11. What is difference between machine.config and web.config?
12. What is shared and private assembly?
13. What are asynchronous callbacks?
14. How to write unmanaged code and how to identify whether the code is managed / unmanaged?
15. How to authenticate users using web.config?
16. What is strong name and which tool is used for this?
17. What is gacutil.exe. Where do we store assemblies
18. should sn.exe be used before gacutil.exe?
19. What does assembly info.cs file consist of?
20. What is boxing and unboxing?
21. How many Types of authentications are there in ASP.NET?
22. What is the difference between Trace and Debug?
23. What is the Difference between Dataset and Data Reader?
24. What is custom tag in web.config?
25. How do you define authentication in web.config?