DOT NET Interview Questions - DotNetSpider

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Can you explain Forms authentication in detail ? ............................................................................ 144 How do I sign out in forms authentication ? .................................................................................... 146 If cookies are not enabled at browser end does form Authentication work? ................................... 146 How to use a checkbox in a datagrid? .............................................................................................. 146 What are the steps to create a windows service in VB.NET ? ......................................................... 147 8..NET Architecture.................................................................. 149 What are design patterns ? ................................................................................................................ 149 What’s difference between Factory and Abstract Factory Pattern’s? ............................................... 150 What’s MVC pattern? ....................................................................................................................... 153 Twist: - How can you implement MVC pattern in ASP.NET?........................................................... 153 How can we implement singleton pattern in .NET?......................................................................... 154 How do you implement prototype pattern in .NET? ........................................................................ 155 Twist: - How to implement ment cloning in .NET ? , What is shallow copy and deep copy ? .................. 155 What are the situations s you will use a Web Service and Remoting in projects?.............................. 155 Can you give a practical cal implementation of FAÇADE patterns?..................................................... 155 How can we implement observer pattern in .NET? ......................................................................... 157 What is three tier architecture? ......................................................................................................... 157 Have you ever worked with Microsoft Application Blocks, if yes then which? .............................. 158 What is Service Oriented architecture? ............................................................................................ 158 What are different ways you can pass data between tiers? .............................................................. 161 What is Windows DNA architecture?............................................................................................... 161 What is aspect oriented programming? ............................................................................................ 163 9. ADO.NET .............................................................................. 173 What is the namespace in which .NET has the data functionality classes ? ................................... 173 Can you give a overview of ADO.NET architecture ? ..................................................................... 173 What are the two fundamental objects in ADO.NET ? .................................................................... 175 What is difference between dataset and datareader ? ....................................................................... 175 What are major difference between classic ADO and ADO.NET ? ................................................. 175 What is the use of connection object ? ............................................................................................. 175 What is the use of command objects and what are the methods provided by the command object ? 176 What is the use of dataadapter ? ....................................................................................................... 176 What are basic methods of Dataadapter ? ........................................................................................ 176 What is Dataset object? .................................................................................................................... 177 What are the various objects in Dataset ?......................................................................................... 177 How can we connect to Microsoft Access , Foxpro , Oracle etc ? ................................................... 177 How do we connect to SQL SERVER , which namespace do we use ?........................................... 178 How do we use stored procedure in ADO.NET and how do we provide parameters to the stored procedures? ................................................................................................................................. 183 How can we force the connection object to close after my datareader is closed ? .......................... 184
I want to force the datareader to return only schema of the datastore rather than data ? ................. 184 How can we fine tune the command object when we are expecting a single row or a single value ? 184 Which is the best place to store connectionstring in .NET projects ? .............................................. 184 What are steps involved to fill a dataset ? ........................................................................................ 185 Twist :- How can we use dataadapter to fill a dataset ? .................................................................. 185 What are the various methods provided by the dataset object to generate XML? ........................... 186 How can we save all data from dataset ?.......................................................................................... 186 How can we check that some changes have been made to dataset since it was loaded ? ................ 187 Twist :- How can we cancel all changes done in dataset ? , How do we get values which are changed in a dataset ? .............................................................................................................................. 187 How can we add/remove row’s in “DataTable” object of “DataSet” ? ............................................ 187 What’s basic use of “DataView” ?.................................................................................................... 188 What’s difference between “DataSet” and “DataReader” ? ............................................................. 189 Twist :- Why is DataSet slower than DataReader ? ......................................................................... 189 How can we load multiple tables in a DataSet ? .............................................................................. 189 How can we add relation’s between table in a DataSet ? ................................................................. 190 What’s the use of CommandBuilder ? .............................................................................................. 190 What’s difference between “Optimistic” and “Pessimistic” locking ? ............................................. 190 How many way’s are there to implement locking in ADO.NET ? ................................................... 191 How can we perform transactions in .NET? .................................................................................... 191 What’s difference between Dataset. clone and Dataset. copy ? ....................................................... 192 Can you explain the difference between an ADO.NET Dataset and an ADO Recordset? ............... 192 10. SQL SERVER ..................................................................... 193 What is normalization? What are different type of normalization? ................................................. 193 What is denormalization ? ................................................................................................................ 195 What is a candidate key ? ................................................................................................................. 195 What are different types of joins and whats the difference between them ? .................................... 196 What are indexes and What is the difference between clustered and nonclustered indexes? .......... 197 How can you increase SQL performance ? ...................................................................................... 197 What is the use of OLAP ? ............................................................................................................... 198 What's a measure in OLAP ? ............................................................................................................ 198 What are dimensions in OLAP ? ...................................................................................................... 198 What are levels in dimensions ? ....................................................................................................... 198 What are fact tables and dimension tables in OLAP ? ..................................................................... 199 Twist :- can you explain the star schema for OLAP ? ...................................................................... 199 What is DTS?.................................................................................................................................... 199 What is fillfactor ? ............................................................................................................................ 199 Twist :- When does plage split occurs ? ........................................................................................... 199 What is RAID and how does it work ? ............................................................................................. 199 What's the difference between DELETE TABLE and TRUNCATE TABLE commands? .............. 200 What are the problems that can occur if you do not implement locking properly in SQL SERVER ? 201 What are different transaction levels in SQL SERVER ? ................................................................. 202
Page 1 and 2: Beta Release 1.0 DOT NET Interview
Page 3 and 4: How can we use COM Components in .N
Page 5 and 6: Can you show a simple code showing
Page 7: What’s the use of @ Register dire
Page 11 and 12: Who is a stakeholder ? ............
Page 13 and 14: √ √ √ .NET interviewers who a
Page 15 and 16: Note While reading you can come acr
Page 17 and 18: √ Project Manager are expected to
Page 19 and 20: Microsoft introduced Common Type Sy
Page 21 and 22: Visual Studio .NET 2003\SDK\v1.1\Bi
Page 23 and 24: (A) What is Manifest? Figure :- 1.2
Page 25 and 26: √ Go to “Visual Studio Command
Page 27 and 28: Figure:- 1.7 Click on project and t
Page 29 and 30: (B) What is Delay signing ? During
Page 31 and 32: Note :- Sample source code are comp
Page 33 and 34: (B) What’s difference between VB.
Page 35 and 36: (I)What is a satellite assembly? In
Page 37 and 38: √ √ √ Using Type library impo
Page 39 and 40: √ The second way to create CCW us
Page 41 and 42: √ Type is the return type of the
Page 43 and 44: pDesired) checks to see if the curr
Page 45 and 46: √ √ Figure :- 2.3 Add reference
Page 47 and 48: There are 5 transactions types that
Page 49 and 50: Binary Compatibility VB makes it po
Page 51 and 52: Private Sub Form1_Load(ByVal sender
Page 53 and 54: the .NET runtime determines that it
Page 55 and 56: SyncLock x 'Do something with x End
Page 57 and 58: (I) How can you avoid deadlock in t
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Figure :- 4.2 Channels,Formatters a
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Implements InterFaceRemoting.InterF
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Console.WriteLine(“Referenced the
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√ By Keyword “New”. (A) Are C
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When total object lifetime is reduc
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mode=”SingleCall” type=”Serve
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Non-Default constructors can not be
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(B) What is UDDI ? Full form of UDD
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Figure :- 4.8 Create Web project me
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Figure :- 4.9 Create WebService Pro
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Figure :- 4.11 Click on Add Web Ref
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Figure :- 4.13 Solution showing the
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√ Finally you are able to see you
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Webservices as such do not have any
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(P)Can you show a simple code showi
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√ √ VaryByCustom:-Lets you cust
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√ By default Session objects are
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√ View state is good for caching
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√ All browsers support query stri
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Abstraction It allows complex real
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Public Class ClsChild Inherits ClsP
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Public Class ClsChild Inherits ClsA
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(A) What is difference between abst
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Public Class FrmWithEvents Inherits
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Figure :- 6.6 Shadowing in Action (
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(I) Why can not you specify accessi
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Figure :- 6.7 Shared/Static In Acti
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It provides a way to define and use
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Figure :- 6.8 Garbage collection in
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instance and be used with out creat
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(B) How do we assign page specific
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CustomValidator Used to define User
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can say the following authenticatio
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Digest authentication requires that
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With this setting, all the requests
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√ ASP.NET supports full language
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Application_PreSendContent: Fired b
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WebUIValidation.js javascript file
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√ √ √ .ashx, for custom ASP.N
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The above mapping shows which funct
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(I)How do you upload a file in ASP.
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Figure: - 7.5 High isolation scenar
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√ Remove anonymous access to the
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(I)What are the steps to create a w
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8..NET Architecture (B) What are de
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The below two class diagrams will p
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(I)What’s MVC pattern? Twist: - H
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√ First create your class with st
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√ √ Payment Invoicing All the f
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interfaces of these components. SOA
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web service. Both these services ar
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(A)What is aspect oriented programm
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encapsulation. In short the class n
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Public Property UserName() As Strin
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pstrCustcode = Value End Set End Pr
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End Property Public Property NewVal
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9. ADO.NET (B)What is the namespace
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“DataView” object is used to so
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made to the data in the original da
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First below is the code , after the
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Figure :- 9.3 Load only the Employe
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objCommand = New SqlCommand(“Sele
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Config files are the best place to
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Dataset has “AcceptChanges” met
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Delete Deletes the specified row fr
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preferred way of locking practicall
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10. SQL SERVER (B) What is normaliz
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Figure :- 10.4 City is now shifted
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(I)What are indexes and What is the
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(A)What are fact tables and dimensi
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(B)What are the problems that can o
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REPEATABLE READ This setting disall
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prudent to do so is another story;
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UNION SQL syntax is used to select
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(I) What is ACID fundamental and wh
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Figure :- 10.6 DBCC SHOWCONTIG comm
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BCP (Bulk Copy Program) is a comman
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√ AFTER triggers AFTER triggers e
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(B) What is UML? 11. UML The Unifie
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high level, what components form pa
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This should be compulsory diagram a
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Figure :-11.1 Phase mapping with UM
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√ √ √ Object satisfies a cond
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2-Element Constraint: - It shows a
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(A) Explain all parts of a deployme
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(A) Describe various components in
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(A) What are the element in State C
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(A)Describe different elements in S
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Trace: - Indicates historical relat
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Extends: - Indicates that the eleme
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(B) Who is a stakeholder ? Figure :
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writing a book i will have followin
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software development model you will
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Incremental Model In this model we
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√ √ √ Function points Use Cas
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Twist :- What is 80/20 principle ?
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workflow metrics √ walkthrough me
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√ revisions metrics version contr
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√ 13. Free exams (Thanks to www.m
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DOT NET Interview Questions - DotNetSpider

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