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 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

B. Configure PropertyCache to be a server-activated Singleton object.

D. Derive the PropertyCache class from MarshalByRefObject and override

InitializeLifetimeService() to return null.

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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.

You use Visual .NET to develop a Windows-based application whose project name is XYZMgmt.You create an application configuration file that will be installed on the client computer along withXYZMgmt.You must ensure that the settings in the application configuration file are applied whenXYZMgmt is executed.What should you do?A. Name the configuration file XYZMgmt.exe.confing and copy it to the WindowsSystem32folder.B. Name the configuration file XYZMgmt.config and copy it to the WindowsSystem32 folder.C. Name the configuration file XYZMgmt.exe.config and copy it to the application folder.D. Name the configuration file XYZMgmt.config and copy it to the application folder.E. Name the configuration file XYZMgmt.exe.config and copy it to the global assembly cache.

You are a developer for a XYZ Inc that provides free software over the Internet. You aredeveloping en e-mail application that users all over the world can download.The application displays text strings in the user interface. At run time, these text strings mustappear in the language that is appropriate to the locale setting of the computer running theapplication.You have resources to develop versions of the application for only four different cultures. Youmust ensure that your application will also be usable by people of other cultures.How should you prepare the application for deployment?A. Package a different assembly for each culture.B. Package a different executable file for each culture.C. Package a main assembly for source code and the default culture.Package satellite assemblies for the other cultures.D. Package a main assembly for source code.Package satellite assemblies for each culture.

Suppose You use Visual Studio .NET to create a control that will be used on several forms in yourapplication.It is a custom label control that retrieves and displays your company?s current stock price.The control will be displayed on many forms that have different backgrounds. You want thecontrol to show as much of the underlying form as possible. You want to ensure that only thestock price is visible. The rectangular control itself should not be visible.You need to add code to the Load event of the control to fulfill these requirements. Which twocode segments should you use? (Each correct answer presents part of the solution. Choose two)A. this.BackColor = Color.Transparent;B. this.ForeColor = Color.Transparent;C. this.BackImage = null;D. this.SetStyle(ControlStyles.UserPaint, false);E. this.SetStyle(ControlStyles.SupportsTransparentBackColor, true);

Suppose You develop a Windows-based application by using Visual Studio .NET. The application includesnumerous method calls at startup. After optimizing your application code, you test the applicationon a variety of client computers. However, the startup time is too slow.You must ensure that your application starts as quickly as possible the first time it runs. Whatshould you do?A. Precompile your application by using the Native Image Generator (Ngen.exe)Install the precompiled application on the client computers.B. Install your application on the client computers.Precompile your application by using the Native Image Generator (Ngen.exe).C. Precompile your application by using the JIT compiler.Install the precompiled application on the client computers.D. Install your application on the client computers.Precompile your application by using the JIT compiler.

Tell me You work as software developer at XYZ inc. You need to develop a Windows form that providesonline help for users. You want the help functionality to be available when users press the F1 key.Help text will be displayed in a pop-up window for the text box that has focus.To implement this functionality, you need to call a method of the HelpProvider control and passthe text box and the help text.What should you do?A. SetShowHelpB. SetHelpStringC. SetHelpKeywordD. ToString

You use Visual Studio .NET to create a Windows-based application. The application includes aform named XYZForm, which displays statistical date in graph format. You use a customgraphing control that does not support resizing.You must ensure that users cannot resize, minimize, or maximize XYZForm. Which three actionsshould you take? (Each answer presents part of the solution. Choose three)A. Set XYZForm.MinimizeBox to False.B. Set XYZForm.MaximizeBox to False.C. Set XYZForm.ControlBox to False.D. Set XYZForm.ImeMode to Disabled.E. Set XYZForm.WindowState to Maximized.F. Set XYZForm.FormBorderStyle to one of the Fixed Styles.G. Set XYZForm.GridSize to the appropriate size.

You are creating an XML Web service named ListBoxService. This service provides content,such as states, countries, and geographical regions, for use in drop-down list boxes.ListBoxService contains a Web method named RetrieveRegionsListBox. This method runs aDataset object that contains every geographical region in the world. RetrieveRegionsListBox callsa Microsoft SQL Server database to load the Dataset object with region data. You want tominimize the amount of time the method takes to return to the caller.What should you do?A. Use a stored procedure to return the datas.B. Store each Dataset object by using the Session object.C. Set the Buffer Response property of the Web Method attribute to false.D. Set the Cache Duration property of the Web Method attribute to an interval greater than zero.

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