Dell Interview Questions--Dotnet

DELL .Net Interview Questions ( .NET , Database , General )


1. Any disadvantages in Dataset and in reflection

2. Difference between Active Exe and Activex dll

3. Can we make activex dll also ti execute in some process as that of client ? How can we do?

4. Types of compatabilities and explain them

5. Types of instancing properties and explain each. Tell the difference between multiuse,singleuse and globalmultiuse and which is default

6. What is assembly?

7. Difference between COM and .NET component

8. What is early binding and Late binding. Difference which is better

9. What happens when we instantiate a COM component

10. What happens when we instantiate a .NET component

11. Are you aware of containment and Aggregation

12. What is UUID and GUID what is the size of this ID?

13. About Iunknown interface Queue ,its methods Querry Interface Addref,Release and Explane each

14. What ‘ll u do in early and late binding

15. In early binding will the method invoked on com component will verify it’s existance in the system or not?

16. Difference between dynamic query and static query

17. About performance issues on retrieving records

18. About ADO and its objects

19. What is unmannaged code and will CLR handle this kind of code or not .

20. Garbage collector’s functionality on unmanaged code

21. If Instancing = Single use for ActiveX Exe, how will this be executed if there are 2 consecutive client requests ?

22. Threading Types.

23. How about the security in Activex DLL and Activex EXE

Database Interview Questions :

24. Types of cursors and explanation each of them

25. Types of cursor locations and explanation on each of them

26. Types of cursor locks and explanation each of them

27. How do you retrieve set of records from database server.{Set max records = 100 & use paging where pager page no or records = 10 & after displaying 100 records again connect to database retrieve next 100 }

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