Suppose You Are Creating An ASP.NET Page For XYZ. The Page Uses String Concatenation To Gather Datafrom Multiple E Mail Messages And Format The Data For Display On The Page.You Want To Ensure That The Page Displays As Quickly As Possible.What Should You Do?A. Write Code That Uses The Append Method Of The StringBuilder Object.B. Write Code That Uses The Substring Method Of The String Object.C. Write Code That Uses The Concat Method Of The String Object.D. Write Code That Uses The Plus Sign (+) Operator To Concatenate The Strings.

⟩ Suppose You are creating an ASP.NET page for XYZ. The page uses string concatenation to gather datafrom multiple e-mail messages and format the data for display on the page.You want to ensure that the page displays as quickly as possible.What should you do?A. Write code that uses the Append method of the StringBuilder object.B. Write code that uses the Substring method of the String object.C. Write code that uses the Concat method of the String object.D. Write code that uses the plus-sign (+) operator to concatenate the strings.

A. Write code that uses the Append method of the StringBuilder object.

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You create a Windows service that processes XML messages placed in a MSMQ queue. Youdiscover that the service is not functioning properly.You need to debug the service to correct the program.What should you do?A. Start the Windows service.Then attach a debugger to the process.B. Attach a debugger to the Windows service.Then start the Windows service.C. Start the Windows service.Then run the .NET Services Installation tool (Regsvcs.exe).D. Place a breakpoint in the Main method of the Windows service. Then run the application withinthe Visual Studio .NET integrated development environment (IDE).

You are creating a .NET Remoting object named Payroll. The Payroll class allows remote clientapplications to access payroll data for your company. Client applications are developed by usingWindows Forms and Web Forms. You must ensure that remote client applications are securelyauthenticated prior to gaining access to Payroll object. You want to accomplish this task bywriting the minimum amount of code.What should you do?A. Use a Tcp Channel and a Binary Formatter for the Payroll class.B. Use an Http Channel and a Soap Formatter for the Payroll class.C. Host the Payroll class in Internet Information Services (IIS) and implement Basicauthentication.D. Host the Payroll class in Internet Information Services (IIS) and implement Integrated Windowsauthentication.

Suppose You are creating a .NET Remoting object named Payroll. The Payroll class allows remote clientapplications to access payroll data for your company. Client applications are developed by usingWindows Forms and Web Forms. You must ensure that remote client applications are securelyauthenticated prior to gaining access to Payroll object. You want to accomplish this task bywriting the minimum amount of code.What should you do?A. Use a Tcp Channel and a Binary Formatter for the Payroll class.B. Use an Http Channel and a Soap Formatter for the Payroll class.C. Host the Payroll class in Internet Information Services (IIS) and implement Basicauthentication.D. Host the Payroll class in Internet Information Services (IIS) and implement Integrated Windowsauthentication.

You create a serviced component named CompanyScheduler. CompanyScheduler is registeredin a library application. The Scheduler methods parse String objects into Date Time objects. Youwrite a console application named Coverage.exe to test each method in Scheduler. You wantCoverage.exe to test Scheduler for multiple cultures to verify its globalization support.What should you do?A. Create a Culture Info object for each culture locale before calling the CompanySchedulermethods.B. Create a Region Info object for each culture locale before calling the CompanySchedulermethods.C. Set the current threads Current Culture property to each culture locale before calling theCompanyScheduler methods.D. Create a Coverage.exe.config file and add a <location> element to the configuration file foreach culture locale.

You have a .NET Remoting object named Utils. The Utils class is a client-activated .NETRemoting object. You want to write a client application that creates and uses a Utils object. Youwant the client application to hold onto a reference to a Utils object for the duration of itsexecution.What should you do?A. Construct the Utils object, and hold the object in a member variable.B. Construct the Utils object, and set the LifeTimeService.LeaseTime to 0.C. In the client application, create an Implementation of the ISponsor interface. Implement theRenewal method to extend the lease.D. In the client application, create an Implementation of the ILease interface. Implement theCurrentLeaseTime property to return Int32.MaxValue.

Suppose You have an ASP.NET application named ES WebApp. This application uses a private assemblynamed Employee to store and retrieve employee data. Employee is located in the bin directory ofES WebApp. You develop a new ASP.NET application named ESWebApp2 that also needs touse Employee. You assign Employee a strong name, set its version to 1.0.0.0, and install it in theglobal assembly cache. You then create a publisher policy assembly for version 1.0.0.0 andinstall it in the global assembly cache. You compile ESWebApp2 against version 1.0.0.0. You donot recompile My WebApp. You then run ES WebApp.What is the most likely result?A. A Version Not Found Exception is thrown.B. Employee is loaded from the bin directory.C. Version 1.0.0.0 of Employee is loaded from the global assembly cache.D. Version 1.0.0.0 of Employee is loaded by the publisher policy assembly.

Suppose You are developing a Windows-based application that requires the use of a calculation functionnamed Calculate Value. This function includes the following signature int Calculate Value(int x) ;Calculate Value is located in an unmanaged DLL named Company Functions.dll, and is not partof a COM interface.You need to be able to use Calculate Value in your application.Which action or actions should you take? (Choose all that apply)A. Use Regsvr32.exe to register CompanyFunctions.dll.B. Use Visual Studio .NET to add a reference to CompanyFunctions.dll.C. To your application, add the following code segment using CompanyFunctions;D. To your application, add the following code segment [DllImport("CompanyFunctions.dll")]public static extern int Calculate Value(int x);

Suppose Company Ltd. receives product information from manufactures in the form of an XML documents.The product information is stored in a Microsoft SQL Server database. The format of each XMLdocument varies. Each one is located in a MemoryStream object named newProds. You create amerge procedure that reads data and schema information in a Dataset object and merges theinformation into your database. You now need to write code to transfer the XML document and itsschema into a Dataset object.Which code segment should you use?A. Dataset products = new Dataset("prodInfo");XmlTextReader reader = new XmlTextReader(newProds);XmlValidatingReader validReader = newXmlValidatingReader(reader);while (validReader.Read()) { products.WriteXml(validReader.Value);}B. Dataset products = new Dataset("prodInfo");products.ReadXml(newProds);C. Dataset products = new Dataset("prodInfo");XmlDataDocument document = new XmlDataDocument(products);D. document.DataSet.ReadXmlSchema(ne

Suppose You create an XML Web service named Time ESService. Each time ESService is started, itchecks for the existence of an event log named Time ESServiceLog. If TimeServiceLog does notexist, Time ESService creates it. You discover that when Time ESService creates TimeESServiceLog, it throws a System.Security.SecurityException. The exception includes thefollowing message "Requested registry 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 Time ESService, 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 theKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesEventlog registry key to givefull control to the IUSR_computername user account.

Suppose You have a .NET Remoting object named ES ProductLoader. The ES ProductLoader class is aserver-activated Singleton object.The ES ProductLoader class loads product data into a Microsoft SQL Server database. The Loadmethod of the ES ProductLoader class is a time-consuming method to call. You are developing aclient application that uses the ES ProductLoader class. You want to ensure that the clientapplication can continue to respond to user input while the Load method of the ES ProductLoaderclass is called.What should you do?A. Use an AsyncDelegate instance to call the Load method.B. Modify the ES ProductLoader class to be derived from IAsyncResult.C. Configure the ES ProductLoader class to be a client-activated .NET Remoting object.D. Configure the client application to have its own remoting channel that matches the serverschannel and formatter.

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