Suppose You Are Planning To Create A DataSet Object Named EXDataSet To Be Used In A Bond Tradingapplication.Several Developers Will Need To Write Code To Manipulate EXDataSet, And You Want To Ensure ThatmyDataSet Is Easy For Them To Use. You Decide To Create EXDataSet As A Strongly Typed Data Set.Which Two Actions Should You Take? (Each Correct Answer Presents Part Of The Solution. Choosetwo)A. Create An XSD Schema That Defines EXDataSet.B. Create An XDR Schema That Defines EXDataSet.C. Create A Class For EXDataSet That Is Based On The Schema And That Inherits From The DataSetclass.D. Create A Class For EXDataSet That Is Based On The Schema And That Inherits From TheXmlSchema Class.E. Create A Key Pair For EXDataSet By Using The Strong Name Tool (Sn.exe).

⟩ Suppose You are planning to create a DataSet object named EXDataSet to be used in a bond-tradingapplication.Several developers will need to write code to manipulate EXDataSet, and you want to ensure thatmyDataSet is easy for them to use. You decide to create EXDataSet as a strongly typed data set.Which two actions should you take? (Each correct answer presents part of the solution. Choosetwo)A. Create an XSD schema that defines EXDataSet.B. Create an XDR schema that defines EXDataSet.C. Create a class for EXDataSet that is based on the schema and that inherits from the DataSetclass.D. Create a class for EXDataSet that is based on the schema and that inherits from theXmlSchema class.E. Create a key pair for EXDataSet by using the Strong Name tool (Sn.exe).

A. Create an XSD schema that defines EXDataSet.

C. Create a class for EXDataSet that is based on the schema and that inherits from the DataSet

class.

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Suppose You are creating an ASP.NET page for selling movie tickets. Users select a region, and then theyselect from a list of cities in that region. The site displays the names and locations of movietheaters in the city selected by the user.Your company, XYZ Brothers, maintains a list of theaters in a database table that includes thecity, name, and street address of each theater. You want to minimize the time required to retrieveand display the list of theater names after a user selects the region and city.What should you do?A. Modify the connection string to add the packet size property and set its values to 8192.B. Add the following directive to the pageOutputCache VaryByParam=?city?C. Add the following directive to the pageOutputCache VaryByControl=?region;city?D. Modify the connection string to keep your database?s connection pool as small as possible.

You use Visual Studio .NET to create an assembly, called XYZAssembly, that will be used byother applications, including a standard COM client application.You must deploy your assembly on the COM application to a client computer. You must ensurethat the COM application can instantiate components within the assembly as COM components.What should you do?A. Create a strong name of the assembly by using the Strong Name tool (Sn.exe).B. Generate a registry file for the assembly by using the Assembly Registration tool(Regasm.exe)Register the file on the client computer.C. Generate a type library for the assembly by using the Type Library Importer (Tlbimp.exe).Register the file on the client computer.D. Deploy the assembly to the global assembly cache on the client computer.Add a reference to the assembly in the COM client application.

Suppose You develop a Windows-based application by using Visual Studio .NET. The application includesa form named XYZForm and a class named Contact. XYZForm includes a button namedcmdCreateContact. You must ensure that your application creates an instance of Contact when auser clicks this button. You want to write the most efficient code possible.Which code segment should you use?A. Contact contact = new Object();B. Contact contact = new Contact;C. Object contact = new Contact;D. Contact contact = new Object;

You develop a Windows-based application XYZ. XYZ uses a DataSet object that contains twoDataTable objects. XYZ will display data from two data tables. One table contains customerinformation, which must be displayed in a data-bound ListBox control. The other table containsorder information, which must be displayed in a DataGrid control.You need to modify XYZ to enable the list box functionality.What should you do?A. Use the DataSet.Merge method.B. Define primary keys for the Data Table objects.C. Create a foreign key constraint on the DataSet object.D. Add a DataRelation object to the Relations collection of the DataSet object.

Suppose You use Visual Studio .NET to create a Windows-based application. The application includes aform named XYZProcedures (EXP). EXP allows users to enter very lengthy text into a database.When users click the Print button located on EXP, this text must be printed by the default printer.You implement the printing functionality by using the native .NET System Class Libraries with alldefault settings.Users report that only the first page of the text is being printed.How should you correct this problem?A. In the BeginPrint event, set the HasMorePages property of the PrintEventArgs object to True.B. In the EndPrint event, set the HasMorePages property of the PrintEventArgs object to True.C. In the PrintPage event, set the HasMorePages property of the PrintPageEventArgs object toTrue.D. In the QueryPageSettings event, set the HasMorePages property of theQueryPageSettingEventArgs object to True.

Suppose As a developer at XYZ you develop a new sales analysis application that reuses existing dataaccess components. One of these components returns a DataSet object that contains the data forall customer orders for the previous year.You want your application to display orders for individual product numbers. Users will specify theappropriate product numbers at run time..What should you do?A. Use the DataSet.Reset method.B. Set the RowFilter property of the DataSet object by using a filter expression.C. Create a DataView object and set the RowFilter property by using a filter expression.D. Create a DataView object and set the RowStateFilter property by using a filter expression.

Suppose You use Visual Studio .NET to create a Windows-based application that will track camera sales.The applications main object is named Camera. The Camera class is created by the followingdefinitionpublic class Camera {}You write code that sets properties for the Camera class. This code must be executed as soon asan instance of the Camera class is created. Now you need to create a procedure in which youcan place your code. Which code segment should you use?A. public Camera()B. public void Camera()C. public bool Camera()D. public New()E. public Camera New()F. public Camera Camera()

You plan to develop a customer information application CustomEX that uses a Microsoft SQLServer database. CustomEX will be used frequently by a large number of users. Your applicationcode must obtain the fastest possible performance when accessing the database and retrievinglarge amounts of data. You must accomplish this goal with the minimum amount of code.How should you design CustomEX?A. Use classes in the System.Data.OleDb namespace.B. Use classes in the System.Data.SqlClient namespace.C. Use remoting to connect to the SQL Server computer.D. Use interoperability to include legacy COM-based data access components.

You execute a query on your external Oracle database named XYZSalesDate by using anOleDbCommand object. The query uses the Average function to return a single value thatrepresents the average price of products in the inventory table. You want to optimize performancewhen you execute this query.To execute this query from your ADO.NET code, you need to use a method of theOleDbCommand object. Which method should you use?A. ExecuteNonQueryB. ExecuteScalarC. ToStringD. ExecuteReader

Suppose As a programmer at XYZ inc, you use Visual Studio .NET to create several applications that willbe deployed commercially over the Internet. You must ensure that customers can verify theauthenticity of your software.Which action or actions should you take? (Choose all that apply.)A. Sign your portable executables by using Signcode.exe.B. Generate an X.509 certificate by using Makecert.exe.C. Purchase an X.509 certificate from a certificate authority.D. Purchase a Software Publisher Certificate from a certificate authority.E. Convert your certificate to a Software Publisher Certificate by using Cert2spc.exe.

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