You have a .NET Remoting object named Utils. The Utils class is a client-activated .NET Remoting object.You want to write a client application that creates and uses a Utils object. You want the client application to hold onto a reference to a Utils object for the duration of its execution.What should you do?

试卷相关题目

• 1You are creating a Visual Studio .NET assembly, which will run as a shared assembly with other applications. The assembly will be installed in the global assembly cache. You will distribute the assembly to many customers outside your company.You must ensure that each customer receives your assembly without alteration, in a way that reliably specifies the origin of the code.What should you do?

  A.Sign the assembly by using a strong name. Do nothing further

  B.Sign the assembly by using File Signing tool (Signcode.exe). Do nothing further

  C.First sign the assembly by using a strong name. Then sign the assembly by using File Signing tool (Signcode.exe)

  D.First sign the assembly by using File Signing tool (Signcod

  E.exe) .Then sign the assembly by using a strong name

  开始考试点击查看答案
• 2You have an application named MyApp that contains a reference to version 1.0.0.0 of a strongly named serviced component named YourComponent. This component is located in the bin directory of MyApp.You receive version 2.0.0.0 of YourComponent, which you install in the global assembly cache. You reconfigure the application configuration file to redirect calls to version 2.0.0.0 .You now receive version 3.0.0.0 of YourComponent, which you install in the global assembly cache. You do not reconfigure the application configuration file. You then run MyApp.Which version of YourComponent is loaded and from which location is it loaded?

  A.Version 1.0.0.0 from the bin directory

  B.Version 2.0.0.0 from the global assembly cache C . Version 2.0.0.0 from the bin directoryD. Version 3.0.0.0 from the global assembly cache

  开始考试点击查看答案
• 3You have an ASP.NET application named YourWebApp. This application uses a private assembly named Employee to store and retrieve employee dat

  A.Employee is located in the bin directory of YourWebApp.You develop a new ASP.NET application named YourWebApp2 that also needs to use Employee. You assign Employee a strong name, set its version to 1.0.0.0, and install it in the global assembly cache. You then create a publisher policy assembly for version 1.0.0.0 and install it in the global assembly cache.You compile YourWebApp2 against version 1.0.0.0 . You do not recompile MyWebApp. You then run YourWebApp.What is the most likely result?A.A VersionNotFoundException 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

  开始考试点击查看答案
• 4You create an XML Web service that provides stock information to the customers of Fabrikam, Inc. You successfully test the service. You are now ready to deploy the service to a new virtual directory on a production computer.You want to deploy the service without having to manually configure any settings on the production computer.Which deployment mechanism should you use?

  A.FTP

  B.Xcopy command

  C.Web setup project

  D.Copy Project command

  开始考试点击查看答案
• 5You create an XML Web service that calculates taxes . You deploy the service to a production computer named YourProduction. The URL of the production XML Web service is http://YourProdution/WS/TaxCalc. asmx.The service does not support all international tax rates. You want to find out which unsupported tax rates are being requested by users. If a user requests a tax rate that is not supported, the service records the request by using a trace message. You then want to view the unsupported rates that have been requested.Which two actions should you take? (Each correct answer presents part of the solution. Choose two)

  A.Modify the trace element in the We

  B.config file of the service by setting the pageOutput attribute to "true"B.Modify the trace element in the Web.config file of the service by setting the enabled attribute to "true"

  C.To the constructor of the TaxCalc class, add the following code segment:Public Function TaxCalc()Initiali2eComponent()Trace.AutoFlush * True End Function

  D.To the constructor of the TaxCalc class, add the following code segment:Public Function TaxCalc()InitializeComponent()Trac

  E.AutoFlush * True End FunctionD.To the constructor of the TaxCalc class, add the following code segment:Public Function TaxCalc()InitializeComponent()Trace.Flush 0End FunctionE.View the page at http://YourProduction/WS/TaxCalc.aamx

  F.View the page at http://YourProduction/WS/Trace.axd

  开始考试点击查看答案
• 6You create a serviced component named Tracker that uses attributes to dynamically register itself for C0M+ services. Tracker is in an assembly file named Fabrikam.dll. Tracker uses transactions and role-based security. The roles and the application identity for Tracker are configured on the development computer.You are preparing to hand off Tracker to and administrator for deployment to production computers. You want all the COM4- configuration information for Tracker to be installed on the production computers.What should you do?

  A.Use the Component Services Tool to export Tracker to an .msi file. Provide to the administrator the .msi file with instructions to run the installer

  B.Provide to the administrator the Fabrikam.dll file. Instruct the administrator to copy Fabrikam.dll to all production computers and to install it in the global assembly cache

  C.Provide to the administrator the Fabrikam.dll file. Instruct the administrator to use the . NET Services Installation Tool(Regsvcs.exe) to install Tracker

  D.Add a new merge module to your solution. Add Fabrikam.dll to the merge modul

  E.Provide to the administrator the .msi filewith installation instructions.

  开始考试点击查看答案
• 7You create a serviced component named StockQuote that implements the IStockQuote interface. The StockQuote class includes the following code segment:Public Class StockQuoteInherits ServicedComponent Implements IStockQuote Public Function GetQuote(stock as Ticker) as Price Implements IStockQuote.GetQuote 'Implementation code goes here.End Function End ClassYou want to secure StockQuote so that it can only be accessed by users in the Customers and Managers roles.Which actions should you take?(Each correct answer presents part of the solution. Choose two)

  A.To the StockQuote class, add the following attribute:

  B.To the StockQuote class, add the following attribute: 〈Transaction(TransactionOption.Required)>

  C.Implement the ISecurityCallContext COM interface in the StockQuote class. Implement the IsCallerlnRole method for the Customers and Managers roles

  D.To the StockQuote class, add the following attributes:

  E.To the beginning of the GetQuote method, add the following code segment:If Not ContextUtil.IsCallerlnRole("Managers,Customers")_Then Throw New SecurityException("Access is denies.”）End If

  开始考试点击查看答案
• 8You create an XML Web service named ReportService for an application on your company's intranet. You configure Internet Information Services(IIS) and ReportService to use Integrated Windows authentication .You configure the Access Control List (ACL) for ReportService to allow access to only members of a Windows group named FieldAgents. You test and confirm that only members of the FieldAgents group can use ReportService.ReportService includes a method named Submit Surveillance that calls a serviced component named ReportDat

  A.ReportData uses COM+role- bases security to restrict component access to members of the COM+ Agents role. The COM+ Agents role is configured to include the FieldAgents group.You call SubmitSurveillance. However, when the call to ReportData is attempted, an exception is thrown indicating that access is denied. You need to correct this problem.What should you do?A.In IIS, enable Anonymous access

  B.In the section of the Web.config file, add the following line of code:〈identity impersonate^"true”/>

  C.In the〈system.web> section of the Web.config file, add the following line of code:〈identity impersonate^"false"/〉

  D.In the section of the Web.config file, add the following line of code:〈authentication mode="None"/>

  开始考试点击查看答案
• 9You are creating an XML Web service named YourWebService. Callers must be authenticated by using credentials passed in the SOAP header of each Web service call. You want to use role-based security to secure each method on YourWebService. The roles that users are assigned are stored in a custom database table.You need to write code that will allow you to dynamically change which roles can execute specific methods at run time.What should you do?

  A.Create a Windowsldenti ty object and a Windows Principal Object. Then implement declarative role-based security

  B.Create a Windowsldenti ty object and a Windows Principal object. Then implement imperative role-based security

  C.Create a Gene riel dentity object and a GenericPrincipal object. Then implement declarative role-based security

  D.Create a Genericldentity object and a GenericPrincipal object. Then implement imperative role-based security

  开始考试点击查看答案
• 10You are developing an application by using Visual C# .NET and Visual Basic .NET. The application will use functions form a DLL written in unmanaged code.One function requires the calling application to allocate unmanaged memory, fill it with data, and pass the address of the memory to the function . On returning from the function, the calling application must deallocate the unmanaged memory.You need to decide how your application will handle unmanaged memory.What should you do?

  A.Use a byte array

  B.Use the methods of the Marshal class

  C.Use the methods of the MemoryStream class

  D.Derive a new class from the Stream class, and override the allocation methods

  开始考试点击查看答案