IT Interview Questions

1. Explain the life cycle of an ASP .NET page.
2. Explain the .NET architecture.
3. What are object-oriented concepts?
4. How do you create multiple inheritance in c# and .NET?
5. When is web.config called?
6. How many weg.configs can an application have?
7. How do you set language in weg.config?
8. What does connection string consist of?
9. Where do you store connection string?
10. What is abstract class?
11. What is difference between interface inhertance and class inheritance?
12. What are the collection classes?
13. What are the types of threading models?
14. What inheritance does VB.NET support?
15. What is a runtime host?
16. Describe the techniques for optimizing your application?
17. Differences between application and session
18. What is web application virtual directory?
19. Differences between Active.exe and Dll
20. Connection pooling in MTS?
21. If cookies is disabled in client browser, will session tracking work?
22. How do you make your site SSL-enabled?
23. Will the following code execute successfully: response.write(’value of i=’+i);
24. What are the provides available with VB.NET?
25. What is a Process, Sesion and Cookie?
26. What are Abstract base classes?
27. What are the Difference between bstract base classes and Abstrat classes
28. What are interface in .NET?
29. How is Polymorphism supports in .NET?
30. What are the 2 types of polymorphism supports in .NET?
31. Types of compatibilities and explain them.
32. What is aggregative? How can it be implements in .NET?
33. Difference between COM components and .NET components?how to register it
34. Difference between early binding and late binding?
35. ASP.NET OBJECTS?
36. Asp.NET life cycle? When request mode
37. Explain ADO and its objects.
38. What is side by side execution?
39. Explain serialization?
40. Explain a class access specifiers and method acess specifiers.
41. What is the difference between overloading and overriding ? how can this be .NET
42. Explain virtual function and its usage.
43. How do you implement inhetance in .NET?
44. If I want to override a method 1 of class A and this class B then how do you declared
45. Explain friend and protected friend.
46. Explain multiple and multi_level inheritance in .NET?
47. Name all kind of access specifiers for a class and for methods?
48. On ODP.NET
49. What is non-derterministic finalization?
50. What is isPostback property?
51. What is dictionary base class?
52. How can a class be extended and how is this mechanism difff from that of implementation an interface?
53. What are indexes .NET?
54. How can indexes be implemented in .NET?

1. How do you create a recordset object in VBScript?
2. What is Querystring collection? - It allows you to extract data sent to the server using a GET request.
3. Explain the difference between POST and GET Method. - GET requests are string data that is visible to the end user via the URL and a limit of 2kb, POST requests have no limit on total data and the user can’t see the data in a query string.
4. Why do we use Option Explicit? - To avoid multiple variables of the same name.

1. What are the basic expansion card types?ISA and PCI, ISA can be used only on XT, AT and ATX boards. The industry now considers ISA obsolete.
2. How do you clear CMOS password? Since CMOS is a special chip with its own battery, the best way to clear out a CMOS chip is to disconnect it from its power supply.
3. Where does the Real mode on the CPU come from? The original 8086, which only had 1 MB of memory. This megabyte is split into low memory for IRQ tables, application memory and high memory.

1. Difference between directcast and ctype.
2. An example of a ctype and directcast.
3. ctype(123.34,integer) - should it throw an error? Why or why not?
4. directcast(123.34,integer) - should it throw an error? Why or why not?
5. Difference between a sub and a function.
6. Explain manifest & metadata.
7. Scope of public/private/friend/protected/protected friend.
8. Different kinds of methods.
9. Difference between imperative and interrogative code.
10. Difference between value and reference type.
11. What are the two kinds of properties.
12. What is the raise event used for?
13. Explain constructor.
14. What is a resource? Provide an example from your recent project.