Need .Net Interview Questions

[vidyasagarkumar]

Hai Friends

I am sagar this is my first message .Plz Guide me in all areas

need Faq's on Asp.Net

Thank you very much...

[sridhar]

Hi

Go through this link : hii

[sure_srinivas]

1. What is an application domain?

2. Does .NET support one-way Web service operations? Does Microsoft
SOAP Toolkit support one-way Web service operations?

3. Does .NET support validating XML documents against DTDs?

4. what-is-an-asp-file/

5. Where would you use an iHTTPModule, and what are the limitations of
anyapproach you might take in implementing one?


6. Describe the difference between inline and code behind

7. Can you configure a .NET Remoting object via XML file?

8. How do I change the permission set for a code group?

9. What platforms does the .NET Framework run on?

10. How do you handle data concurrency in .NET ?

11. What is WSDL?

12. What does AspCompat="true" mean and when should I use it?

13. Can we handle the error and redirect to some pages using
web.config?

14. What is ViewState? How is it encoded? Is it encrypted? Who uses
ViewState?

15. Difference between asp and asp.net?.

16. What is advantage of viewstate and what are benefits?

17. What is an HTML "entity"?

18. Difference between Anchor and Dock Properties?

19. What's the safest way to deploy a Windows Forms app?

20. What class does Icon derive from?

21. What is the transport protocol you use to call a Web service?

22. How do you turn off cookies for one page in your site?

23. Whats an assembly?

24. What are CAO's i.e. Client Activated Objects ?

25. What is Com Callable wrapper?when it will created?


26. What is Runtime Callable wrapper?.when it will created?.

27. What's the difference between WindowsDefaultLocation and
WindowsDefaultBounds?

28. What's the safest way to deploy a Windows Forms app?

29. What's a proxy of the server object in .NET Remoting?

30. When would you use .NET Remoting and when Web services?

31. What are channels in .NET Remoting?

32. What security measures exist for .NET Remoting in
System.Runtime.Remoting?

33. What technology enables out-of-proc communication in .NET?


34. What is ADO .NET and what is difference between ADO and ADO.NET?

35. Can you declare a C++ type destructor in C# like ~MyClass()?

36. Contrast DTDs versus XSDs. What are their similarities and
differences? Which is preferred and why?

37. Why is the XML InfoSet specification different from the Xml DOM?
What does the InfoSet attempt to solve?

38. How does VB.NET/C# achieve polymorphism?

39. What is Jit compilers?.how many are available in clr?

40. What is MSIL?

41. What is global assembly cache?

42. What is namespaces?.

43. What are delegates?where are they used ?

44. Different b/w .NET & J2EE ?

45. What is a formatter?

46. Are private class-level variables inherited?

47. What's the difference between an interface and abstract class?

48. And if they have conflicting method names?

49. What are three test cases you should go through in unit testing?

50. What's the difference between the Debug class and Trace class?

51. How's the DLL Hell problem solved in .NET?

52. Can multiple catch blocks be executed?

53. What's the difference between const and readonly?

54. What's the difference between Java and .NET garbage collectors?

55. What is the difference between a Struct and a Class ?

56. What are the types of authentication in .net?

57. What is difference between constants, readonly and, static ?

58. What is Reference type and value type ?

59. What is MSIL, IL, CTS and, CLR ?

60. Differnce between Managed code and unmanaged code ?

61. How can I stop my code being reverse-engineered from IL?

62. What are attributes?

63. Why is XmlSerializer so slow?

64. Can I customise the serialization process?

65. What is serialization?

66. Is the lack of deterministic destruction in .NET a problem?

67. Why doesn't the .NET runtime offer deterministic destruction?

68. What is side-by-side execution?

69. Why only boxed types can be unboxed?

70. What is the use of Internal keyword?

71. Explain the differences between public, protected, private and
internal.

72. Explain the importance and use of each, Version, Culture and
PublicKeyToken for an assembly.

73. What is FullTrust? Do GAC'ed assemblies have FullTrust?

74. What are PDBs? Where must they be located for debugging to work?

75. How is the using() pattern useful? What is IDisposable? How does it
support deterministic finalization?

76. What is the difference between Finalize() and Dispose()?

77. How does the generational garbage collector in the .NET CLR manage
object lifetime? What is non-deterministic finalization?

78. The PID (Process ID) a unique number for each item on the Process
Tab, Image Name list. How do you get the PID to appear?

79. What is a PID? How is it useful when troubleshooting a system?

80. Describe the difference between a Thread and a Process?

81. Difference between int and int32 ?

82. Can a nested object be used in Serialization ?

83. Describe the advantages of writing a managed code application
instead of unmanaged one. What's involved in certain piece of code
being managed?

84. What is inline schema, how does it works?


85. Why do you need to serialize.?

86. What is GUID and why we need to use it and in what condition? How
this is created.

87. What is encapsulation ?

88. Difference between Dispose and Finallize method?

89. Whate are Resource Files ? How are they used in .NET?

90. What is Globalizationa and Localization ?

91. What is managed and unmanaged code?

92. What is the property available to check if the page posted or not?

93. Changes to which portion of version number indicates an
incompatible change?

94. What is Partial Assembly References?

95. What is the difference between Finalize and Dispose (Garbage
collection) ?

96. What is reflection?

97. What does 'managed' mean in the .NET context?

98. What is IL?

99. What is the CLS?

100. What is the CTS?

101. What is the CLR?

102. When was the first version of .NET released?

103. When was .NET announced?

104. What happens in memory when you Box and Unbox a value-type?

105. When should you call the garbage collector in .NET?

106. What is a satellite assembly?

107. How is the DLL Hell problem solved in .NET?

108. How you will set the datarelation between two columns?

109. Is Your Glass Half Full?

110. Explain the ADO . Net Architecture ( .Net Data Provider)

111. Explain acid properties?.

112. What is a pre-requisite for connection pooling?

113. Between Windows Authentication and SQL Server Authentication,
which one is trusted and which one is untrusted?
114. What is the wildcard character in SQL?

115. What are advantages and disadvantages of Microsoft-provided data
provider classes in ADO.NET?

116. What is the role of the DataReader class in ADO.NET connections?

117. Why are there five tracing levels in
System.Diagnostics.TraceSwitcher?

118. What does assert() method do?

119. Can you declare an override method to be static if the original
method is not static?

120. How is method overriding different from method overloading?

121. What is the difference between a Struct and a Class?


122. What's the difference between an interface and abstract class?

123. What happens if you inherit multiple interfaces and they have
conflicting method names?

124. Explain the three services model commonly know as a three-tier
application.

125. Can multiple catch blocks be executed for a single try statement?

126. What's the C# syntax to catch any possible exception?

127. What's the difference between the System.Array.CopyTo() and
System.Array.Clone()?

128. What's the advantage of using System.Text.StringBuilder over
System.String?

129. What does the term immutable mean?

130. Are private class-level variables inherited?

131. Who is a protected class-level variable available to?

132. What is a Windows Service and how does its lifecycle differ from a
"standard" EXE?

133. Can you create an app domain?

134. What is the difference between Server.Transfer and
Response.Redirect?

135. How do you implement Paging in .Net?

136. What is the difference between HTTP-Post and HTTP-Get?

137. What is the difference between in-proc and out-of-proc?

138. What are the various ways of securing a web site that could
prevent from hacking etc .. ?

139. What is validationsummary server control?where it is used?.

140. What is ViewState ? and how it is managed ?

141. What are different templates available in Repeater,DataList and
Datagrid ?

142. " ?">When do you set "" ?

143. How do you register JavaScript for webcontrols ?

144. How do you create a permanent cookie?

145. Which two properties are on every validation control?

146. How do you turn off cookies for one page in your site?

147. What method do you use to explicitly kill a user s session?

148. What are the advantages and disadvantages of viewstate?

149. Can you give an example of what might be best suited to place in
the Application_Start and Session_Start subroutines?

150. Can you give an example of when it would be appropriate to use a
web service as opposed to a non-serviced .NET component?

151. What is the difference between Server.Transfer and
Response.Redirect? Why would I choose one over the other?

152. What does the "EnableViewState" property do? Why would I want
it on or off?

153. Should validation (did the user enter a real date) occur
server-side or client-side? Why?

154. How do you create a permanent cookie?

155. What is different b/w webconfig.xml & Machineconfig.xml

156. What event handlers can I include in Global.asax?

157. How can you provide an alternating color scheme in a Repeater
control?

158. What is the difference between Server.Transfer and
Response.Redirect? Why would I choose one over the other?

159. What are ASP.NET Web Forms? How is this technology different than
what is available though ASP?

160. What type of code (server or client) is found in a Code-Behind
class?

161. Explain the differences between Server-side and Client-side code?

162. What does AspCompat="true" mean and when should I use it?

163. How does dynamic discovery work?

164. How do I send e-mail from an ASP.NET application?

165. Is it necessary to lock application state before accessing it?

166. Can a user browsing my Web site read my Web.config or Global.asax
files?

167. How do I debug an ASP.NET application that wasn't written with
Visual Studio.NET and that doesn't use code-behind?

168. What are different types of directives in .NET?

169. What do you mean by authentication and authorization?

170. What are the different types of caching?

171. What methods are fired during the page load?

172. What is view state and use of it?

173. What are the validation controls?

174. What are the different types of assemblies available and their
purpose?

175. What is the difference between Value Types and Reference Types?

176. What is Boxing and UnBoxing?

177. What is CTS (Common Type System)?

178. What is CLS (Common Language Specificaiton)?

179. What are the different types of Session state management options
available with ASP.NET?

180. What does the "EnableViewState" property do? Why would I want
it on or off?

181. What is the lifespan for items stored in ViewState?

182. What is ViewState?

183. Can you edit data in the Repeater control?

184. Which method do you invoke on the DataAdapter control to load your
generated dataset with data?

185. Whats MSIL, and why should my developers need an appreciation of
it if at all?

186. Explain what a diffgram is, and a good use for one?

187. Describe the difference between inline and code behind.

188. Whats an assembly?

189. Can you explain what inheritance is and an example of when you
might use it?

190. What are the Application_Start and Session_Start subroutines used
for?

191. What is the Global.asax used for?

192. Can you explain the difference between an ADO.NET Dataset and an
ADO Recordset?

193. What is the difference between Server.Transfer and
Response.Redirect? Why would I choose one over the other?

194. Should user input data validation occur server-side or
client-side? Why?

195. What type of code (server or client) is found in a Code-Behind
class?

196. Suppose you want a certain ASP.NET function executed on MouseOver
for a certain button. Where do you add an event handler?

197. What's a bubbled event?

198. When during the page processing cycle is ViewState available?

199. What methods are fired during the page load?

200. What's the difference between Response.Write() and
Response.Output.Write()?

201. Describe the role of inetinfo.exe, aspnet_isapi.dll and
aspnet_wp.exe in the page loading process ?

hai sagar,
this is vimal..trust this mail finds u in good health..do search "WHITE PAPERS" in yahoo groups..you can find it...and there is a folder u might find "ASP.NET Q&A'S"....its very useful...

[mca.tripathi]

hello this is santosh plz send me Asp.net ,vb.net and C# interview questions my mail id is tripathi.santosh@gmail.com
plz send me urzently
i am new to .NET technologies

[deepthi.parimi@gmail.com]

hello ths is deepthi plz send me .net interview qns with answers,my email id is deepthi.parimi@gmail.com..plz send me plzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz

[kiransarma]

hi friends i am giving the links u may get lo tof interview question if ufollwo the links:





http://www.megasolutions.net/kb/ASP_Net_InterView_Questions_1a.aspx
http://www.devbistro.com/tech-interview-questions/.NET.jsp
http://blogs.crsw.com/mark/archive/2004/03/16/255.aspx
http://blogs.crsw.com/mark/articles/254.aspx
http://groups.msn.com/MumbaiUserGroup/netinterviewquestions.msnw
http://www.questpond.com/

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