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350 Interview Questions and Answers on .Net Framework, OOPS, ASP.Net, C#.Net, SQL Server, WCF in one place.


Friends,

I am happy to share this post, I get many mails daily on organizing the Interview Questions and Answers Series which ran successfully last year into one place so that its easily accessible by my readers. I have created a post which individually has the questions and answers in one place to keep it simple. I hope this would be really helpful to every one who are preparing to know out the interviews on Microsoft Technologies.        [more]

qna

SL No Questions
Q 1 >What Is CLR ?
Q 2 What is CLR HOST?
Q 3 What is CTS?
Q 4 What is CLS?
Q 5 What is an Intermediate Language?
Q 6 What is Just In Time Compiler?
Q 7 What is Portable executable (PE)?
Q 8 What is Managed Code?
Q 9 What is UnManaged Code?
Q 10 What is Garbage Collector?
Q 11 >What is a Strong Name?
Q 12 What are the steps to create Strong Name?
Q 13 What are the Problems faced using Strong Name?
Q 14 What is Program Database?
Q 15 What is Delay Signing? 
Q 16 What is an Assembly?
Q 17 What are the Contents of an Assembly?
Q 18 What are the Types of an Assemblies?
Q 19 What is a Satellite assembly?
Q 20 What are the Steps to Create Satellite Assembly?
Q 21 >What is an Assembly Loader? 
Q 22 What is Multi Module Assembly or Assembly Linker? 
Q 23 What is an Assembly Manifest? 
Q 24 What is a Metadata? 
Q 25 What is a Base class in .Net?
Q 26 What is Full Assembly Reference? 
Q 27 What is Partial Assembly Reference?
Q 28 What is an Assembly Qualified Name? 
Q 29 What is ILDASM (Intermediate Language Disassembler)? 
Q 30 What is Global Assembly Cache? 
Q 31 >What is an Attribute?
Q 32 What is Serialization & DeSerialization?
Q 33 Where Serialization is used?
Q 34 What are the types of Serialization available in .net?
Q 35 What is Binary Serialization?
Q 36 What are the Advantages & Disadvantages of Binary Serialization?
Q 37 What is SOAP Serialization? 
Q 38 What are the Advantages of SOAP Serialization?
Q 39 What is a XML Serialization?
Q 40 What are the Advantages of XML Serialization?
Q 41 >What is Custom Serialization?
Q 42 What is a Namespace?
Q 43 What is GUID?
Q 44 What is a Formatter?
Q 45 What is a Binary Formatter?
Q 46 What is a SOAP Formatter?
Q 47 What is Reflection?
Q 48 What is Thread and Process?
Q 49 What are the difference between a Dll and an Exe?
Q 50 What are Globalization and Localization?
Q 51 >What is a Resource File?
Q 52 What is Code Access Security(CAS)?
Q 53 What is difference between Code Based Security and Role Based Security?
Q 54 What is difference between Invoke and Begin Invoke
Q 55 What is the difference between Debug and Trace?
Q 56 What is a Debug version of a code?
Q 57 What is a Release version of a code?
Q 58 What is an IDisposable Interface?
Q 59 What is Finalize block in .net?
Q 60 What is Dispose block in .net?
Q 61 >What is Runtime Host?
Q 62 What is Connection Pooling?
Q 63 What are the main parameters used by Connection Pooling?
Q 64 What is Connection Pool Manager?
Q 65 What is Object Pooling?
Q 66 What are the Advantages of Object Pooling?
Q 67 What is the Difference between Connection Pooling and Object Pooling?
Q 68 What is an Indexer?
Q 69 What are the important points to remember on indexers?
Q 70 What is the Difference between Indexers and Properties?
Q 71 >What are the different Access Modifiers available?
Q 72 What are the differences between Class and Struts?
Q 73 What are the Similarities between Class and Struts?
Q 74 What is the term Virtual means?
Q 75 What is a Sealed Class?
Q 76 What is Polymorphism?
Q 77 What are the Types of Polymorphism?
Q 78 What is Method Overloading? Or What is Early Binding?
Q 79 What is Method Overriding or What is Late Binding?
Q 80 What is an Inheritance?
Q 81 >What are the Types of Inheritance?
Q 82 What is Multiple Inheritance?
Q 83 What are the examples of Multiple Inheritance?
Q 84 What are the Advantages of Inheritance?
Q 85 What is an Encapsulation?
Q 86 What are the examples of Encapsulation?
Q 87 What is an Abstraction?
Q 88 What are the examples of Abstraction?
Q 89 Difference between Encapsulation and Abstraction ?
Q 90 What is an Abstract Class?
Q 91 >What is an Interface?
Q 92 What is a difference between Abstract Class and Interface?
Q 93 What is a Constructor?
Q 94 What is a Constructor chaining?
Q 95 What are the Types of constructors?
Q 96 What is a Private Constructor?
Q 97 What is a Static Constructors?
Q 98 What are the features of Static Constructor?
Q 99 What is a Default Constructor?
Q 100 What is a COPY Constructor?
Q 101 >What is a Parameterized constructor?
Q 102 What is a Singleton Class?
Q 103 What is a Partial Class?
Q 104 What is a Partial Method?
Q 105 What is a Delegate?
Q 106 What is a Syntax of Single class delegate?
Q 107 What are the advantages of Delegates?
Q 108 What is a Multicast Delegate?
Q 109 What is an Event?
Q 110 What is a Hash Table?
Q 111 >What is the Constructor of Hashtable?
Q 112 What is an Array?
Q 113 What is a Single-dimensional arrays?
Q 114 What is a Multidimensional arrays?
Q 115 What are Jagged arrays?
Q 116 What are Mixed Arrays?
Q 117 What is an ArrayList?
Q 118 What is the difference between Array and Array List?
Q 119 What is the Difference between Array and Collections?
Q 120 What is the difference between Array.Copy and Array.Clone?
Q 121 >What is a Shallow Copy?
Q 122 What is a Deep Copy?
Q 123 What are the different String Compare options available?
Q 124 What is a Statics Class
Q 125 What are the advantages of using Static Class?
Q 126 List some of the main features of a Static Class?
Q 127 What is a Static Member?
Q 128 What is a Static Variable?
Q 129 What is a Static Method?
Q 130 What is a Nested Class?
Q 131 >What is Shadowing or Hiding?
Q 132 What are Out and Ref parameters?
Q 133 What are the differences of Out and Ref Parameters?
Q 134 What are the differences between String and String Builder?
Q 135 Why C# is strongly typed language?
Q 136 What are Imperative and Interrogative function?
Q 137 What is a Collection Class?
Q 138 What are the differences between Const & Readonly?
Q 139 What is a Stack?
Q 140 What is a Heap?
Q 141 >What are Value Types?
Q 142 What are Reference Types?
Q 143 What are Boxing and UnBoxing means?
Q 144 What is Early Binding?
Q 145 What is Late Binding?
Q 146 What are the different WCF binding available?
Q 147 What is a BasicHttpBinding?
Q 148 What is a WSHttpBinding?
Q 149 What is a NetTcpBinding?
Q 150 What is a WSDualHttpBinding?
Q 151 >What is an ASP.NET Application and Page Life Cycle?
Q 152 What are the Steps for ASP.net environment creation?
Q 153 What is the ASP.NET Page Life Cycle?
Q 154 What is a Directive in ASP.Net?
Q 155 What are the different Validation Controls in ASP.Net?
Q 156 What is the Difference between User Control and Custom Control?
Q 157 What is the Difference between Client Side and Server Side Code?
Q 158 What is the Difference between Server.Transfer and Response.Redirect?
Q 159 What are the different IIS Isolation Levels in ASP.Net?
Q 160 What are the different Authentication Modes available in ASP.Net?
Q 161 >What is Windows Authentication Mode in ASP.Net?
Q 162 What are the advantages and disadvantages of Windows Authentication Mode?
Q 163 What is Form Authentication Mode in ASP.Net?
Q 164 What are the advantages and disadvantages of Form Authentication Mode?
Q 165 What is Passport Authentication Mode in ASP.Net?
Q 166 What are the advantages and disadvantages of Passport Authentication Mode?
Q 167 What is None Authentication Mode in ASP.Net?
Q 168 What are the advantages and disadvantages of None Authentication Mode?
Q 169 What are the different IIS authentications available?
Q 170 What is an Event Bubbling?
Q 171 >What are the differences between Machine.Config and a Web.Config files in Asp.Net?
Q 172 What is an Authentication?
Q 173 What is an Authorization?
Q 174 What is an Impersonation?
Q 175 What is Autopostback event in ASP.Net?
Q 176 What is Tracing in ASP.Net
Q 177 What is Scavenging?
Q 178 What are Trace Listeners?
Q 179 What is the difference between Respose.Write and Response.Output.Write?
Q 180 What is SmartNavigation?
Q 181 >What is a State Management in ASP.Net?
Q 182 What are the different management objects available with Client & Server Side Stage Management?
Q 183 How to Pass values between pages?
Q 184 What is a View State?
Q 185 What are the Benefits of ViewState?
Q 186 What are the Limitations of ViewState?
Q 187 What is an EnableViewState in ASP.Net?
Q 188 What are Hidden Fields in ASP.Net?
Q 189 What are the Benefits of Hidden Fields in ASP.Net?
Q 190 What are the Limitations of Hidden Fields in ASP.Net?
Q 191 >What are Hidden Frames in ASP.Net?
Q 192 What are the Benefits of Hidden Frames in ASP.Net?
Q 193 What are the Limitations of Hidden Frames in ASP.Net?
Q 194 What is a Cookie in ASP.Net?
Q 195 What are the examples of Cookie usage in ASP.Net?
Q 196 What are the Types of Cookies in ASP.Net?
Q 197 What are the Benefits of Cookies in ASP.Net?
Q 198 What are the Limitations of Cookies in ASP.Net?
Q 199 What is the relation between Cookies and Session State?
Q 200 What is a Cookieless Session in ASP.Net?
Q 201 >What are the Advantages of Session?
Q 202 What are the Disadvantages of Session?
Q 203 What is an In Proc Mode of storing sessions?
Q 204 What are the Advantages of InProc Sessions?
Q 205 What are the Disadvantages of InProc Sessions?
Q 206 What is a State Server Mode of Storing Sessions?
Q 207 What are the Advantages of State Server Session?
Q 208 What are the Disadvantages of State Server Session?
Q 209 What is a SQL Server Mode of Storing Session?
Q 210 What are the Advantages of SQL Server mode Session?
Q 211 >What are the Disadvantages of SQL Server modes?
Q 212 What is Custom Session Mode in ASP.Net?
Q 213 What are the Advantages of using Custom Session Mode in ASP.Net?
Q 214 What are the Disadvantages of using Custom Session Mode in ASP.Net?
Q 215 What is a Query String in ASP.Net?
Q 216 What are the Benefits of a Query String in ASP.Net?
Q 217 What are the Limitations of a Query String in ASP.Net?
Q 218 What is Cross Page Posting in ASP.Net?
Q 219 What is SQL Cache Dependency  in ASP.Net?
Q 220 What is Global.asax in ASP.Net?
Q 221 >What are the Event available in Global.asax?
Q 222 What is Caching in ASP.Net?
Q 223 What are the Types of Caching in ASP.Net?
Q 224 How to cache different versions of the same page in ASP.Net?
Q 225 What is a Fragment Cache in ASP.Net?
Q 226 What are Resource Files in ASP.Net?
Q 227 What are the Types of Resource Files available in ASP.Net?
Q 228 What is a Local Resource File in ASP.Net?
Q 229 What is a Global Resource File in ASP.Net?
Q 230 What are the main tags in Web.Config file of ASP.Net application?
Q 231 >What is the use of <compilation> tag in ASP.Net Web.Config File?
Q 232 What is the use of <customErrors> tag in ASP.Net Web.Config File?
Q 233 What is the use of <globalization> tag in ASP.Net Web.Config File?
Q 234 What is the use of <httpRuntime> tag in ASP.Net Web.Config File?
Q 235 What is the use of <trace> tag in ASP.Net Web.Config File?
Q 236 What is the use of <identity> tag in ASP.Net Web.Config File?
Q 237 What is the use of <sessionState> tag in ASP.Net Web.Config File?
Q 238 What is the use of <appSettings> tag in ASP.Net Web.Config File?
Q 239 What is HTTP GET in ASP.Net?
Q 240 What is HTTP POST in ASP.Net?
Q 241 >What is Normalization in SQL Server?
Q 242 What is a De-Normalization in SQL Server?
Q 243 What are the different Normalization Forms in SQL Server?
Q 244 What is a Stored Procedure in SQL Server?
Q 245 What are the Advantages of Stored Procedure in SQL Server?
Q 246 What are the DisAdvantages of Stored Procedure in SQL Server?
Q 247 What is a User Defined Functions in SQL Server?
Q 248 What is a Scalar value-returning User Defined Function in SQL Server?
Q 249 What is an In Line Table User Defined Function in SQL Server?
Q 250 What is a Multistatement Table User Defined Function in SQL Server?
Q 251 >What are the Advantages of User Defined Functions?
Q 252 What are the DisAdvantages of User Defined Functions?
Q 253 What is the difference between a Stored Procedure and Functions?
Q 254 What is a Trigger?
Q 255 What is a DML Trigger?
Q 256 What is a DDL Trigger?
Q 257 What is a CLR Trigger?
Q 259 What are the DisAdvantages of Triggers?
Q 260 What are Views in SQL Server?
Q 261 >What are the Types of VIEW?
Q 262 How Views ensure security of data?
Q 263 List some of the common examples of views?
Q 264 What are the Limitations of views?
Q 265 What are Linked Servers in SQL Server?
Q 266 What are the Advantages of Linked Servers?
Q 267 What is a Cursor in SQL Server?
Q 268 What are the steps to Create Cursor in SQL Server?
Q 269 What are the Types of Cursors in SQL Server?
Q 270 What are the Cursor Optimization Tips available?
Q 271 >What are the Cursor Alternatives?
Q 272 What are the Limitations of Cursors?
Q 273 What is a SubQuery?
Q 274 What are the Properties of Subquery?
Q 275 What are the Types of Subquery?
Q 276 What is a Correlated Subquery?
Q 277 What are the Properties of Correlated Subquery?
Q 278 What are the different Authentication options and Authentication Modes in SQL Server?
Q 279 What is a Windows Authentication Mode?
Q 280 What is a Mixed Authentication Mode(Windows Authentication and SQL Server Authentication)?
Q 281 >How to Select an Authentication Mode in SQL Server?
Q 282 What is an Identity?
Q 283 What are INNER JOINs in SQL?
Q 284 What is a LEFT OUTER JOIN in SQL?
Q 285 What is a RIGHT OUTER JOIN in SQL?
Q 286 What is a FULL OUTER JOIN in SQL?
Q 287 What is an EQUI JOIN in SQL?
Q 288 What is a CROSS JOIN in SQL?
Q 289 What is a SELF JOIN in SQL?
Q 290 What is a NATURAL JOIN in SQL?
Q 291 >What is Log shipping?
Q 292 What is an Index?
Q 293 How to Create an Effective Index?
Q 294 What are the Types of Indexes available?
Q 295 What is the difference between Primary Key and a Unique Key?
Q 296 What is the difference between Delete and a Truncate?
Q 297 What is a Clustered Index?
Q 298 What is a Non Clustered Index?
Q 299 What is the difference between Clustered and Non Clustered Index?
Q 300 What is BCP used in SQL?
Q 301 >What is the use of Having and Where Clause in SQL?
Q 302 What is the difference between Having and Where Clause in SQL?
Q 303 What is the Local Temporary Table?
Q 304 What is the Global Temporary Table?
Q 305 What is the difference between @@Error and @@Rowcount ?
Q 306 What is a Service Broker in SQL?
Q 307 What is Database Mirroring in SQL?
Q 308 What is Extended Stored Procedure in SQL?
Q 310 What is an Execution Plans in SQL?
Q 311 >What is Dead Lock?
Q 312 What is an example of Deadlock?
Q 313 How to Resolve Deadlock?
Q 314 What is Live Lock?
Q 315 What is an example of Live Lock?
Q 316 What are the options available to Move Database between servers?
Q 317 What is Replication?
Q 318 What is Union?
Q 319 What is Union ALL?
Q 320 List some of the DBCC (Database Console Commands for SQL Server) Commands?
Q 321 >What is a Full Database Backup type in SQL?
Q 322 What is a Differential Database Backup type in SQL?
Q 323 What is a Transactional Log Database Backup type in SQL?
Q 324 What is a Log Database Backup type in SQL?
Q 325 What are the advantages of NoLock in SQL?
Q 326 What are the disadvantages of NoLock in SQL?
Q 327 What is GRANT command in SQL?
Q 328 What is REVOKE command in SQL?
Q 329 What is Privileges command in SQL?
Q 330 What is Cascade command in SQL?
Q 331 >What is the use of RESTRICT Keyword in SQL?
Q 332 What is the use of DML in SQL?
Q 333 What is the use of DDL in SQL?
Q 334 What is the use of DCL in SQL?
Q 335 What is the use of TCL in SQL?
Q 336 What is the use of Wildcards in SQL?
Q 337 What is the use of Aggregate functions?
Q 338 What is the use of ROLLUP in SQL?
Q 339 What is the use of CUBE in SQL?
Q 340 What are the Differences between CUBE and ROLLUP?
Q 341 >What is the use of CUBE Operator in SQL?
Q 342 What is the Difference between ROLLUP and COMPUTE?
Q 343 What is the use of COMPUTE in SQL?
Q 344 What is the use of COMPUTE BY in SQL?
Q 345 What is the use of With TIES in SQL?
Q 346 What is the use of ALL & ANY operator in SQL?
Q 347 What is the use of Master Database in SQL?
Q 348 What is the use of MSDB Database in SQL?
Q 349 What is the use of TEMPDB Database in SQL?
Q 350 What is the use of MODEL Database in SQL?

Hope this information will be useful to you, If interested please don’t forget to connect with me on Twitter, Facebook and GooglePlus for updates. Also subscribe to F5debug Newsletter to get all the updates delivered directly to your inbox. We won’t spam or share your email address as we respect your privacy.

About Author: Karthikeyan Anbarasan, Microsoft MVP (Most Valuable Professional) in ASP.NET/IIS Architecture. He is the Founder and Chief Editor of the www.f5debug.net website and has authored books on Windows Phone and Business Intelligence(SSIS). He is also a Passionate Speaker and a Blogger on Microsoft Technologies.

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Comments (23) -

KLNMurthy
KLNMurthy
9/18/2012 6:06:50 AM #

Can't we download all the questions and answers ??
Please provide a link to download all. Thanks, :)

anurag
anurag
9/20/2012 3:48:45 AM #

NIce Useful article

Paresh Sonparote
Paresh Sonparote
10/20/2012 2:43:52 PM #

Hi Sir,
I am Paresh ...Plz send the All interview questions with ANSWERS about SQL,TSQL,SQL Server,Database,SSIS,SSAS,SSRS,MSBI,.Net

plz..

plz..SIR...

I am waiting for reply...

s.paresh85@rediffmail.com
s.paresh85@live.com
+91 8626035744

abhishek
abhishek
11/13/2012 5:56:08 PM #

wow......
good stuff.

Saurabh
Saurabh
12/19/2012 9:13:25 AM #

Please sir provide me download link as soon as possible it will definately benefited for me........

Akshay Thanai
Akshay Thanai
1/15/2013 9:13:54 PM #

Very good collection of the questions.
Oening up a new client for the answers is not that user friendly though. An accordian would have been a better way to present . Just Saying.

Could you also provide some questions on SSIS & SSRS ?

Venkatesh
Venkatesh
1/31/2013 4:39:23 AM #

Very good collection of Microsoft software's. could you please send me above question to my mail id?

Saranvel
Saranvel
4/24/2013 10:50:39 PM #

Very important interview Questions for beginners like me...I faced lot of questions mentioned above in this, If u don;t mind can u send me answers to mail id(saranfeb29@gmail.com) or send me the link where i would find this... Thanks in Advance

Ganesh Hargude
Ganesh Hargude
5/24/2013 3:29:49 AM #

This is very excellent sites.I never seen such interview sites before this site.I heartly appreciate the person who have written this.
Outstanding!Outstanding!!Outstanding!!!

Manoj Kamble
Manoj Kamble
5/24/2013 3:30:52 AM #

Awesome.....

Suresh Walunj
Suresh Walunj
5/24/2013 3:33:50 AM #

mind blowing collection...Thanks

prasanna
prasanna
7/16/2013 9:13:32 AM #

sir pls provide a link through which i can easily download all the Q&A files

muthu
muthu
8/9/2013 12:56:34 PM #

very good collection sir.please try to put other technology questions like MVC,ajax,WFC,WCF , silverlight and latest Trends in Microsoft Technology.

Sajid
Sajid
8/13/2013 12:46:18 PM #

Hello Frndz..

I have some excellent data for interviews about DotNet, Focusing on:
OOPs
.NET FRAMEWOEK
ASP.NET
C#
ADO.NET
MVC4
DATABASE
DATASTRUCTURES
ALGORITHMS
WCF
SQL Server
and much more

For Details, Contact me

+92-333-4687074

anil
anil
8/25/2013 10:19:20 AM #

cannot download link failure

Ultra SoundTech
Ultra SoundTech
9/5/2013 4:58:15 AM #

Due to this ever growing need to have of international funds transfer solutions, there have been several mediums introduced which provide quick and price effective solutions. <a href="http://theultrasoundtechnician.com/diagnostic-medical-sonographers/">What School Do You Need To Be An Ultrasound Technician</a>. Earlier it took weeks to transfer cash abroad, but these days it happens even inside 24 hours to arrive at the appropriate location. Regulatory authorities in your state can support you should you want to make a complaint about a money transmitter and they are able to guide you in the suitable approach.

sanjay
sanjay
9/17/2013 1:53:15 AM #

i need all the question regarding c#.net,oops,sql with stored procedure and joins,wcf,jquery,ajax and also technical or practical question that can be ask in interview

sanjay
sanjay
9/17/2013 1:56:11 AM #

my email address is sanjayroy7821@gmail.com and sanjayroy701@gmail.com
i need all the question for 1yr experienced .net developer regarding c#.net,oops,sql with stored procedure and joins,wcf,jquery,ajax and also technical or practical question that can be ask in interview.

plz any1 help me

sohaib
sohaib
10/12/2013 2:30:10 PM #

Visit the following link to learn some commonly asked Interview Questions for the job or vacancy of Software Engineer or Software/Web/Desktop Application Developer. It also includes OOP, C#, ASP.NET, ADO.NET and SQL Interview Questions.
http://sohaiby.blogspot.com/2013/09/software-engineerdeveloper-interview.html

samir
samir
10/16/2013 4:24:07 AM #

Respected sir,

Can you please send me all this question to my email id.

Thanks & regards,
SAMIR

Saifi
Saifi
11/7/2013 12:48:57 AM #

sir very good stuff for IT professionals an very good job sir plz carry on Thankz

kashish khanna
kashish khanna
11/12/2013 11:56:19 AM #

thanks a lot sir
thnx for providing us a such a beautiful set of question for interview purpose
and specially for the simple and descibed answers which is easy to understand even at fresher level

for interview purpose its the best all in one collection
or
shiv prasad korilla also have good book for interview prepration



thanks again

Rahul Ranjan
Rahul Ranjan
11/26/2013 2:30:54 AM #

The answers are good, but could have been better if they'd appeared completely in the website. I don't know the exact problem, but the answers seem to be cut off from the right side.

It would be great if you fix this problem and re-load the answers.

Regards,
Rahul Ranjan

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