Suppose You Develop A Windows Based Application XYZiApp By Using Visual Studio .NET. XYZiApp Usesa SqlConnection Object For Database Access.You Typically Run XYZiApp On A Computer That Has Limited RAM And Hard Disk Space. After Thecode Finishes Using The SqlConnection Object, You Must Ensure That The Connection Is Closed Andthat Any Resources Consumed By The Object Are Released Immediately.What Should You Do?A. Call The Finalize Method Of The SqlConnection Object.B. Call The Dispose Method Of The SqlConnection Object.C. Set The SqlConnection Object Equal To Nothing.D. Set The SqlConnection Object Equal To

⟩ Suppose You develop a Windows-based application XYZiApp by using Visual Studio .NET. XYZiApp usesa SqlConnection object for database access.You typically run XYZiApp on a computer that has limited RAM and hard disk space. After thecode finishes using the SqlConnection object, you must ensure that the connection is closed andthat any resources consumed by the object are released immediately.What should you do?A. Call the Finalize method of the SqlConnection object.B. Call the Dispose method of the SqlConnection object.C. Set the SqlConnection object equal to Nothing.D. Set the SqlConnection object equal to

B. Call the Dispose method of the SqlConnection object.

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Suppose XYZ Inc. provides a credit card processing application for its customers. The current applicationsupports only computers that run on a Microsoft Windows operating system.You are asked to rewrite the current application as a .NET application. This .NET applicationdoes not need to be backward compatible with the current application.You must ensure that this new application meets the following requirements? Must support asynchronous processing.? Must be able to pass data through firewalls.? Must pass only SOAP-Compliant formatted data validated by using an XSD schema.? Must not be limited to client computers running on a Microsoft operating system.You want to accomplish this task by using the minimum amount of development effort.Which type of .NET application should you use?A. Windows serviceB. XML Web serviceC. Serviced componentD. .NET Remoting object

Suppose You create three Windows services named EXService1, EXService2, and EXService3. You wantto install all three services on a computer named XYZA by using the Installer tool (Installutil.exe).On the command line of XYZA, you enter and run the following commandInstallutil EXService1 EXService2 EXService3During the installation process, EXService3 throws an installation error. The installation processcompletes.How many of the three services are now installed on XYZ1?A. NoneB. OneC. TwoD. Three.

Suppose You create an XML Web service named WeatherService. This service contains a Web methodnamed RetrieveWeather. RetrieveWeather takes as input a city named and returns the currentweather conditions for that city.You need to provide callers of this service with the URL they need to issue an HTTP-GET againstWeatherService.Which URL should you use?A. http//XYZSrv/AppPath/WeatherService.asmx/cityname=somecityB. http//XYZSrv/AppPath/WeatherService.asmx/RetrieveWeather?cityname=somecityC. http//XYZSrv/AppPath/WeatherService/RetreieveWeather.asmx?cityname=somecityD. http//XYZSrv/AppPath/WeatherService/RetrieveWeather?cityname=somecity

You create an XML Web service named TimeService. Each time TimeService is started, it checksfor the existence of an event log named TimeServiceLog. If TimeServiceLog does not exist,TimeService creates it.You discover that when TimeService creates TimeServiceLog, it throws aSystem.Security.SecurityException. The exception includes the following message ?Requestedregistry access is not allowed?. You need to resolve this problem.What should you do?.A. Configure Inetinfo.exe to run as the local administrator user account.B. Create an installer for TimeService, and create the new event log in the installer code.C. Modify the Web.config file by adding an identity element to impersonate the LOGON userspecified by Internet Information Services (IIS).D. Modify the permissions of theHKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesEventlog registry key to givefull control to the IUSR_computername user account.

Suppose You are creating a .NET Remoting object named PropertyCache. PropertyCache will hold aHashtable object or name/value pairs.A variety of remote client applications will communicate with PropertyCache to set and getproperty values. You need to ensure that properties set by one client application are alsoaccessible to other client applications.Which two actions should you take? (Each correct answer presents part of the solution. Choosetwo)A. Configure PropertyCache to be a client-activated object.B. Configure PropertyCache to be a server-activated Singleton object.C. Configure PropertyCache to be a server-activated SingleCall object.D. Derive the PropertyCache class from MarshalByRefObject and overrideInitializeLifetimeService() to return null.E. Mark the PropertyCache class with the Serializable attribute.Implement the ISponsor interface in the PropertyCache class.F. Implement the ISerializable and ILease interfaces in the PropertyCache class.Implement ILease.CurrentLeaseTime to

Suppose You create an XML Web service named XYZService. You must ensure that this service meetsthe following URL authorization requirements.? Anonymous access must be disabled for XYZService.? An authenticated user named User1 cannot access XYZService.? All other authenticared users can access XYZService.You configure Internet Information Services (IIS) to meet these requirements. You now need toconfigure the authorization section in the Web.config file to properly authorize the users.Which code segment should you use?A. <allow users=?*? />.<deny users=?User1? />B. <allow users=??? /><deny users=?User1? />C. <deny users=?*? /><deny users=?User1? /><allow users=??? />D. <deny users=??? /><deny users=?User1? /><allow users=?*? />

Suppose You are creating an ASP.NET application for XYZ. An earlier version of the application usesActiveX components that are written in Visual Basic 6.0. The new ASP.NET application willcontinue to use the ActiveX components.You want the marshaling of data between your ASP.NET application and the ActiveXcomponents to occur as quickly as possible.Which two actions should you take? (Each correct answer presents part of the solution. Choosetwo)A. Use ODBC binding.B. Use late binding.C. Use early bindingD. Set the AspCompat attribute of the Page directive to true.E. Set the AspCompat attribute of the Page directive to false.

You are creating an ASP.NET application to track XYZ sales orders. The application uses anADO.NET DataSet object that contains two DataTable objects. One table is named Orders, andthe other table is named OrderDetails. The application displays data from the Orders table in a listbox. You want the order details for an order to be displayed in a grid when a user selects theorder in the list box. You want to modify these objects to enable your code to find all the orderdetails for the selected order.What should you do?A. Add a DataRelation object to the Relations collection of the DataSet object.B. Use the DataSet.Merge method to connect the Orders table and the OrderDetails table to eachother.C. Add a ForeignKeyConstraint to the OrderDetails table.D. Add a keyref constraint to the DataSet schema.

Suppose You create English, French, and German versions of a test engine ASP.NET application you aredeveloping for XYZ Inc. You have separate resource files for each language version.You need to deploy the appropriate resource file based on the language settings of the server.What should you do?A. Create an installer and set the Installer.Context property for each version of your application.B. Create an installer that has a launch condition to verify the locale settings.C. Create an installer that has a custom action to install only location-specific files.D. Create an installer that has an MsiConfigureProduct function to install the appropriate version.

Suppose You are creating an ASP.NET application for XYZ. Your application will call an XML Web servicerun by Wide World Importers. The XML Web service will return an ADO.NET DataSet objectcontaining a list of companies that purchase wine.You need to make the XML Web service available to your application.What should you do?A. On the .NET tab of the Reference dialog box, select System.Web.Services.dll.B. In the Web References dialog box, type the address of the XML Web service.C. Add a using statement to your Global.asax.cs file, and specify the address of the XML Webservice.D. Write an event handler in the Global.asax.cs file to import the .wsdl and .disco files associatedwith the XML Web service.

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