350 Interview Questions and Answers on .Net Framework

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

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?

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