You are developing a Windows Communication Foundation (WCF) service that allows customers to update financial data.
The service contract is defined as follows. (Line numbers are included for reference only)
01 [ServiceContract]
02 public interface IDataUpdate
03 {
04 [OperationContract]
05 [TransactionFlow(TransactionFlowOption.Mandatory)]
06 void Update(string accountNumber, double amount);
07 }
08
09 class UpdateService : IDataUpdate
10 {
11 [OperationBehavior(TransactionScopeRequired = true, TransactionAutoComplete = false)]
12 public void Update(string accountNumber, double amount)
13 {
14 ...
15 }
16 }
17
You need to ensure that the service is invoked within the transaction.
What should you do?（）

单项选择题You develop a Windows Communication Foundation (WCF) service. You enable all performance counters and run multiple calls to the service.The service must isolate session data to each user. You need to monitor the instancing behaviour used in the service. Which performance counter should you monitor?（）

A. ServiceModeService 4.0.0.0\Calls
B. ServiceModeService 4.0.0.0\Instances
C. ASP.Net StateService \ Server Sessions Active
D. ASP.Net StateService \ Server Sessions Total

单项选择题You create a Windows Communication Foundation (WCF) service and deploy it with wsHttpBinding and message security enabled.You create an intermediate WCF service for logging messages sent to the primary service.The intermediate service is called via endpoint behaviour. The primary service is receiving malformed data from a client application.You need to enable inspection of the malformed data and prevent message tampering. What do you do?（）

A. Specify a protection level of None in the contract for the intermediate service. Disable message and transport security from the client application configuration file.
B. Specify a protection level of Sign in the contract for the intermediate service. Disable transport security from the client application configuration file.
C. Modify the binding on the intermediate service to use netNamedPipeBinding.
D. Modify the binding on the intermediate service to use webHttpBinding.

单项选择题You are hosting a Windows Communication Foundation (WCF) service at http: www.contoso.com for a law enforcement agency.The agency adds operations to support sending biometric fingerprint data via non-buffered streaming.The service data is routed between intermediaries. The WCF binding you are using by default does not support encryption.You need to ensure that the fingerprint data is not disclosed when passed over the network. What should you do?（）

A. Use basicHttpBinding with message security to https://www.contoso.com
B. Use basicHttpBinding with transport security to https://www.contoso.com
C. Use wsHttpBinding with message security to https://www.contoso.com
D. Use wsHttpBinding with transport security to http://www.contoso.com

单项选择题You are maintaining a Windows Communication Foundation (WCF) service that uses a custom username password class to authenticate clients with. The service certificate is hosted in the deployment server store for trusted root certificate authorities and has a Subject value of TaxServiceKey. Other service certificates hosted on the same server also use TaxServiceKey as a Subject value.You need to ensure that the service identifies itself with a certificate whose subject name and distinguished names are TaxServiceKey.Which code segment should you use?（）

A.
B.
C.
D.

单项选择题You are hosting a Windows Communication Foundation (WCF) service under Microsoft Interent Information Services (IIS) 7.0. You have set up a web site in IIS Manager. The physical path is c: wwwroot Calendar. There is a Calendar.svc file in the c: wwwroot Calendar folder. It contains the following directive: <% @ServiceHost Language= C# Debug= true Service= Calendar.Calendar CodeBehind= CalendarSvc.cs %> The CalendarSvc.cs file contains the source for the Calendar class in the Calendar namespace. You compile this code into the Calendar.dll file. You need to deploy your service to the web site. What should you do?（）

A. Copy the Calendar.dll file to the c:\wwwroot\Calendar\code folder
B. Copy the Calendar.dll file to the c:\wwwroot\Calendar\bin folder
C. Copy the Calendar.svc.cs file to the c:\wwwroot\Calendar\bin folder
D. Copy the Calendar.svc.cs file to the c:\wwwroot\Calendar\code folder