MVC - Intro PPT

ASP.NET Interview Basic Questions

ASP.NET Interview Questions

1. What’s the sequence in which ASP.NET events are processed ?
2. In which event are the controls fully loaded ?
3. How can we identify that the Page is PostBack ?
4. How does ASP.NET maintain state in between subsequent request ?
5. What is event bubbling ?
6.  How do we assign page specific attributes ?
7. Administrator wants to make a security check that no one has tampered with ViewState , how can he ensure this ?
8. What’s the use of @ Register directives ?
9. What’s the use of SmartNavigation property ?
10. What is AppSetting Section in “Web.Config” file ?
11. Where is ViewState information stored ?
12. What’s the use of @ OutputCache directive in ASP.NET?
13.  How can we create custom controls in ASP.NET ?
14. How many types of validation controls are provided by ASP.NET ?
15.  Can you explain what is “AutoPostBack” feature in ASP.NET ?
16. How can you enable automatic paging in DataGrid ?
17. What’s the use of “GLOBAL.ASAX” file ?
18. What’s the difference between “Web.config” and “Machine.Config” ?
19. What’s a SESSION and APPLICATION object ?
20. What’s difference between Server.Transfer and response.Redirect ?
21. What’s difference between Authentication and authorization?
22. What is impersonation in ASP.NET ?
23.  Can you explain in brief how the ASP.NET authentication process works?
24. What are the various ways of authentication techniques in ASP.NET?
25. How does authorization work in ASP.NET?
26.  What’s difference between Datagrid , Datalist and repeater ?
27.  From performance point of view how do they rate ?
28. What’s the method to customize columns in DataGrid?
29.  How can we format data inside DataGrid?
30. How will decide the design consideration to take a Datagrid , datalist or repeater ?
31. Difference between ASP and ASP.NET?
32. What are major events in GLOBAL.ASAX file ?
33. What order they are triggered ?
34. Do session use cookies ?
35. How can we force all the validation control to run ?
36.  How can we check if all the validation control are valid and proper ?
37. If you have client side validation is enabled in your Web page , Does that mean server side code is not run?
38.  Which JavaScript file is referenced for validating the validators at the client side ?
39.  How to disable client side script in validators?
40. I want to show the entire validation error message in a message box on the client side?
41. You find that one of your validation is very complicated and does not fit in any of the validators , so what will you do ?
42. What is Tracing in ASP.NET ?
43.  How do we enable tracing ?
44.  What exactly happens when ASPX page is requested from Browser?
45. How can we kill a user session ?
46.  How do you upload a file in ASP.NET ?
47.  How do I send email message from ASP.NET ?
48. What are different IIS isolation levels?
49. ASP used STA threading model , whats the threading model used for ASP.NET ?
50. Whats the use of  <%@ page aspcompat=true %>  attribute ?
51.  Explain the differences between Server-side and Client-side code?
52. Can you explain Forms authentication in detail ?
53. How do I sign out in forms authentication ?
54. If cookies are not enabled at browser end does form Authentication work?
55. How to use a checkbox in a datagrid?
56.  What are the steps to create a windows service in VB.NET ?
57. What’s the difference between “Web farms” and “Web garden”?
58. How do we configure “WebGarden”?
59. What is the main difference between Gridlayout and FlowLayout ?

C# Basic Interview Questions

.NET Basic Interview Questions

1. What is a IL?
2. What is JIT?
3. What is a CLR?
4. What is a CTS?
5. What is a CLS(Common Language Specification)?
6. What is a Managed Code?
7. What is a  Assembly ?
8. What are different types of Assembly?
9.  What is NameSpace?
10. What is Difference between NameSpace and Assembly?
11.  If you want to view a Assembly how to you go about it ?
12.  What is ILDASM ?
13. What is Manifest?
14. Where is version information stored of a assembly ?
15. Is versioning applicable to private assemblies?
16. What is GAC ?
17. What is concept of strong names ?
18. What is use of SN.EXE ?
19. How do we apply strong names to assembly ?
20.  How do you sign an assembly ?
21. How to add and remove a assembly from GAC?
22.  What is Delay signing ?
23. What is garbage collection?
24.  Can we force garbage collector to run ?
25. What is reflection?
26. What are different type of JIT ?
27.  What are Value types and Reference types ?
28.  What is concept of Boxing and Unboxing ?
29. What’s difference between VB.NET and C# ?
30. What’s difference between System exceptions and Application exceptions?
31. What is CODE Access security?
32. What is a satellite assembly?
33. How to prevent my .NET DLL to be decompiled?
34. What’s the difference between Convert.toString and .toString() method ?
35. What is Native Image Generator (Ngen.exe)?
36. We have two version of the same assembly in GAC?
37.  I want my client to make choice of which assembly to choose?
38. What is CodeDom?

Threading

1. What is Multi-tasking ?
2. What is Multi-threading ?
3. What is a Thread ?
4. Can we have multiple threads in one App domain ?
5.  Which namespace has threading ?
6. Can you explain in brief how can we implement threading ?
7. How can we change priority and what the levels of priority are provided by .NET ?
8. What does Addressof operator do in background ?
9. How can you reference current thread of the method ?
10.  What's Thread.Sleep() in threading ?
11. How can we make a thread sleep for infinite period ?
12. What is Suspend and Resume in Threading ?
13.  What the way to stop a long running thread ?
14. How do i debug thread ?
15. What's Thread.Join() in threading ?
16.  What are Daemon thread's and how can a thread be created as Daemon?
17.  When working with shared data in threading how do you implement synchronization ?
18. Can we use events with threading ?
19. How can we know a state of a thread? What is a monitor object?
20.  What are wait handles ?
21.  What is a mutex object ?
22. what is ManualResetEvent  and AutoResetEvent  ?
23. What is ReaderWriter Locks ?
24. How can you avoid deadlock in threading ?
25.  What’s difference between thread and process?

OOPS

1. What is Object Oriented Programming ?
2. What’s a Class ?
3. What’s a Object ?
4. What’s the relation between Classes and Objects ?
5. What are different properties provided by Object-oriented systems ?
6. Can you explain different properties of Object Oriented Systems?
7.  What’s difference between Association , Aggregation and Inheritance relationships?
8. What are abstract classes ?
9. What’s a Interface ?
10. What is difference between abstract classes and interfaces?
11. What is a delegate ?
12. What are event’s ?
13. Do events have return type ?
14. Can event’s have access modifiers ?
15. Can we have shared events ?
16. What is shadowing ?
17. What’s difference between Shadowing and Overriding ?
18. What’s difference between delegate and events?
19. If we inherit a class do the private variables also get inherited ?
20. What are different accessibility levels defined in .NET ?
21. Can you prevent a class from overriding ?
22. What’s the difference between Class and structure’s ?
23. What does virtual keyword mean ?
24. What are shared (VB.NET)/Static(C#) variables?
25. What is Dispose method in .NET ?
26. Whats the use of “OverRides” and “Overridable” keywords ?
27.  Where are all .NET  Collection classes located ?
28. What is ArrayList ?
29. What’s a HashTable ?
30. What’s difference between HashTable and ArrayList ?
31. What are queues and stacks ?
32. What is ENUM ?
33.  What is nested Classes ?
34. What’s Operator Overloading in .NET?
35. Can we have different access modifiers on get/set methods of a property ?
36. If we write a goto  or a return statement in try and catch block will the finally block execute ?
37.  What is Indexer ? Can we have static indexer in C# ?
38.  In a program there are multiple catch blocks so can it happen that two catch blocks are executed ?
39. What is the difference between System.String and System.StringBuilder classes?

.NET Basics

Dotnet Basics Presentation from Sudhakar Sharma