70-561CSHARP. TS: MS.NET Framework 3.5, ADO.NET Application Development. Exam.

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1 Microsoft CSHARP TS: MS.NET Framework 3.5, ADO.NET Application Development Exam TYPE: DEMO Examskey Microsoft70-561CSHARP exam demo product is here for you to test the quality of the product. This Microsoft70-561CSHARP demo also ensures that we have this product ready unlike most companies, which arrange the product for you as you order These CSHARP exam questions are prepared by Microsoft subject matter specialists. Hence these are most accurate version of the CSHARP exam questions that you can get in the market. We also offer bundle discount packages for every Microsoft certification track, so you can buy all related exam questions in one convenient bundle. And for corporate clients we also offer bundles for Microsoft certification exams at huge discount. Check out our CSHARP Exam Pageand Microsoft Certification Page for more details of these bundle packages. 1

2 Question: 1 You create an application by using the Microsoft.NET Framework 3.5 and Microsoft ADO.NET. The application connects to a Microsoft SQL Server 2005 database. You write the following code fragment to generate a storage schema definition for a stored procedure from the database. <Function Name="GetSuppliersForCountry" Aggregate="false" BuiltIn-"false" NiladicFunction-"false" IsComposatole-"false" ParameterTypeSen>antics="AllowIrnplicitConversion" Schema="dfoo"> <Parameter Name="country" Type="char" Mode="In" /> </Function> The application uses two namespaces named ContosoModel.Store and ContosoMode1. The ContosoModel.Store namespace contains the storage schema. The ContosoMode1 namespace contains the conceptual schema that has an entity named Supplier. You need to create a function named GetSuppliersInCountry that returns a list of Supplier entity instances. What should you do? A. Create the foliowing code fragment in the conceptual schema. <FunctionImport EntitySet= Supplier Name= GetSuppliersInCountry ReturnType= ContosoModel.Supplier > </FunctionTmportMapping> B. Create the following code fragment in the conceptual schema. <FunctionImport EntitySet= Supplier Name= GetSuppliersInCountry ReturnType= ContosoModel.Supplier > <Parameter Name= country Mode= In Type= String /> </FunctionImport> Create the following code fragment in the mapping schema. <FunctionImportMapping FunctionImportName= GetSuppliers FunctionName= ContosoModel.Store.GetSuppliers > <ResultMapping> <EntityTypeMapping TypeName = MultiSet /> </ResultMapping> </FunctionImportMapping> C. Create the following code fragment in the conceptual schema. <FunctionImport EntitySet= Supplier Name= GetSuppliersIncountry ReturnType= Collection(ContosoModel.Supplier) > <Parameter Name= country Mode= In Type= String /> </FunctionImport> Create the following code fragment in the mapping schema. <FunctionImportMapping FunctionImportName= GetSuppliers FunctionName= ContosoModel.Store.GetSuppliers > <ResultMapping> <EntityTypeMapping TypeName = MultiSet /> </ResultMapping> </FunctionImportMapping> D. Create the following code fragment in the conceptual schema. <FunctionImport EntitySet= Supplier Name= GetSuppliersIncountry ReturnType= Collection(ContosoModel.Supplier) > <Parameter Name= country Mode= In Type= String /> 2

3 </FunctionImport> Create the following code fragment in the mapping schema. <FunctionImportMapping FunctionImportName= GetSuppliers FunctionName= ContosoModel.Store.GetSuppliers > <ResultMapping> <EntityTypeMapping TypeName = ContoaoModel.Supplier /> </ResultMapping> </FunctionImportMapping> Answer: D Question: 2 You create an application by using the Microsoft.NET Framework 3.5 and Microsoft ADO.NET. The application uses an ObjectContext named ContosoEntities that contains an entity named Customer. You write the following code segment. (Line numbers are included for reference only.) 01 ContosoEntities entities=new ContosoEntities(); 02 string sql; foreach (string vol in new ObjectQuery<stnng> (sql, entities)) //Retrieve Name of Customer 07 You need to retrieve the names of all the Customer entity instances as a collection of strings. Which line of code should you insert at line 03? A. sql = "SELECT c.name FROM ContosoEntities.Customer as c"; B. sql = "SELECT ROW(c.Name) FROM ContosoEntities.Customer as c"; C. sql = "SELECT MULTISET(c.Name) FROM ContosoEntities.Customer as c"; D. sql = "SELECT VALUE c.name FROM ContosoEntities.Customer as c"; Answer: A Explanation: This simple statement returns a collection of strings. It is the default behavior for SELECT statements. Note: For example, if customers is a collection of type Customer that has a property Name that is of type string, selecting Name from customers will yield a collection of strings, as illustrated in the following example. SELECT customers.name FROM customers AS c Incorrect answers: D: VALUE Allows only one item to be specified, and does not add on a row wrapper. Reference:.NET Framework 4, SELECT Question: 3 3

4 You create an application by using the Microsoft.NET Framework 3.5 and Microsoft ADO.NET. The application contains two entities named Customer and Order. The Customer entity has a navigable property named Orders. The Orders property returns a collection of Order entity instances. You write the following code segment. ContosoEntities context = new ContosoEntities(); ObjectQuery<Customer> query; You need to ensure that each time a Customer entity instance is queried the related Order entity instances are retrieved. Which code segment should you add? A. query = context.createquery<customer>("orders"); B. query = context.customer; query.select("orders") ; C. query = context.customer; query.parameters.add(new ObjectParameter("Orders","")); D. query = context.customer.include("orders"); Answer: D Question: 4 You create an application by using the Microsoft.NET Framework version 3.5. You use the Microsoft ADO.NET Entity Framework for persistence. The application connects to a Microsoft SQL Server 2005 database. You write the following code segment. (Line numbers are included for reference only.) 01 EntityConnection con = new EntityConnection(); 02 EntityComroand cmd=con.createcomroand(); 03 //Set the Entity SQL command 04 string statement; //Log statement You need to log the T-SQL statements that will be executed by the cmd object against the SQL Server 2005 database. Which line of code should you insert at line 05? A. statement = cmd.totracestring(); B. statement = cmd.commandtext; C. statement = cmd.updatedrowsource.tostring(); D. statement = cmd.tostring(); Answer: A Question: 5 You create an application by using Microsoft.NET Framework 3.5. The application uses the The application has an entity named Customer. 4

5 You write the following code segment. ContosoEntities context = new ContosoEntities(); Customer cust = new Customer(); //Set properties for cust You need to save the cust object by using the object context variable. Which code segment should you add? A. context.acceptallchanges(); context.detach(cust); context.savechanges(true); B. context.attach(cust); context.savechanges(); C. context.acceptallchanges(); context.attachto("customer", cust); context.savechanges(true); D. context.addtocustomer(cust); context.savechanges(); Answer: B Explanation: Call Attach on the ObjectContext to attach the object to the object context. Do this when the object already exists in the data source but is currently not attached to the context. The ObjectContext.SaveChanges method persists all updates to the data source and resets change tracking in the object context. Incorrect answer: A, C: there should be no input parameter true: context.savechanges(true); D: No such method AddToCustomer. Reference:.NET Framework 4,ObjectContext.Attach Method Reference:.NET Framework 4, ObjectContext.SaveChanges Method 5

6 Question: 6 You create an application by using the Microsoft.NET Framework 3,5 and Microsoft ADO.NET. The application contains an ObjectContext named ContosoEntities. This ObjectContext contains an entity named Supplier. The entity has a property named Id that is set as the key. You write the following code segment. (Line numbers are included for reference only.) 01 EntityCommand cmd = new EntityCommand(); 02 string sql; 03 //Setup cmd object cmd.commandtext = sql; 06 IDataReader rd = cmd.executereader(commandbehavior.sequentialaccess) ; 07 while (rd.read()) //Retrieve Supplier informationlo 10 You need to retrieve all the properties of the Supplier entity for which the Id value is 1. Which line of code should you insert at line 04? A. sql = "DEREF(CREATEREF(ContosoEntities.Supplier, KEY(l)))"; B. sql = "DEREF(CREATEREF(ContosoEntities.Supplier, R0U(1)))"; C. sql = "CREATEREF(ContosoEntities.Supplier, KEY(1))"; D. sql = "CREATEREF (ContosoEntities. Supplier, ROlT(1))"; Answer: B Explanation: We use ROW(1) to get the row with the ID Value of 1. We then create a reference to the object with CREATEREF. Finally we use DEREF to get the specific row. Note: CREATEREF fabricates references to an entity in an entityset. Syntax: CreateRef(entityset_identifier, row_typed_expression) Arguments: entityset_identifier The entityset identifier, not a string literal. row_typed_expression A row-typed expression that corresponds to the key properties of the entity type. Note: KEY: Extracts the key of a reference or of an entity expression. KEY(createref_expression) Reference:.NET Framework 4, CREATEREF 6

7 Question: 7 You create an application by using the Microsoft.NET Framework 3.5 and Microsoft ADO.NET. The application uses Microsoft SQL Server You write the following code segment. (Line numbers are included for reference only.) 01 Seeing myconnstring = "User 02 ID=<username>;password=<strong password>;initial 03 Catalog=pubs;Data Source=myServer"; 04 SqlConnection myconnection - new 05 SqlConnection(myConnString) ; 06 SqlCoittnand mycommand = new SqlCommand(); 07 DbDataReader myreader; 08 mycommand.commandtype = 09 CommandType.Text; 10 mycommand.connection = myconnection; 11 mycommand.commandtext = "Select * from Tablei; Select * from Toble2;"; 12 int RecordCount = 0; 13 try myconnection.open(); catch (Exception ex) finally myconnection.close(); 24 You need to compute the total number of records processed by the Select queries in the RecordCount variable. Which code segment should you insert at line 16? A. Add the following code segment to line 16: myreader = mycommand.executereader(); RecordCount = myreader.recordsaffected; B. Add the following code segment to line 16: while (myreader.read()) //Write logic to process data for the first result. RecordCount = myreader.recordsaffected; C. Add the following code segment to line 16: while (myreader.hasrows) while (myreader.read()) //Write logic to process data for the second result. RecordCount = RecordCount + 1; 7

8 myreader.nextresult(); D. Add the following code segment to line 16: while (myreader.hasrows) while (myreader.read()) //Write logic to process data for the second result. RecordCount = RecordCount + 1; myreader.nextresult(); Answer: C Question: 8 You create an application by using the Microsoft.NET Framework 3.5 and Microsoft ADO.NET. The application connects to a Microsoft SQL Server 2005 database. The application contains the following objects: A SqlDataReader object named reader A SqlCommand object named cmdrecords A SqlCommand object named cmdupdate A SqlConnection object named conn The SqlConnection object has the following ConnectionString property. "Server=Prod; Database=Wingtip; Integrated Security=SSPI' The reader object is obtained from the cmdrecordsobject. The connobject is shared by the cmdrecords and the cmdupdate objects. You need to ensure that for each record in the reader object, the application calls the ExecuteNonQuerymethod of the cmdupdate object. What should you do? A. Modify the connection string of conn to contain the following attribute. AsynchronousProcessing =true; B. Call the InitializeLifeTimeService method of conn. C. Modify the connection string of conn to contain the following attribute. MultipleActiveResultSets =true; D. After you call the reader object, close conn. Before you call the cmdupdate.executenonquery() method, reopen conn Answer: C 8

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