The following line of output was gathered on Enterprise Router Ent1 using the command show ip route. Which of the following answers is most likely to be true, based on thi s output？（）<br /> B 128.107.0.0 [20/10] via 11.11.11.11, 00:02:18..

第1题

[单选题] You are creating a Windows Communication Foundation (WCF) service that is implemented as follows. (Line numbers are included for reference only.) 01 [ServiceContract] 02 [ServiceBehavior(IncludeExceptionDetailsInFaults = true)] 03 public class OrderService 04 { 05 [OperationContract] 06 public void SubmitOrder(Order anOrder) 07 { 08 try 09 { 10 ... 11 } 12 catch(DivideByZeroException ex) 13 { 14 ... 15 } 16 } 17 } You need to ensure that the stack trace details of the exception are not included in the error information sent to the client. What should you do?（）

A、Replace line 14 with the following line: throw; B、Replace line 14 with the following line: throw new FaultException(anOrder, ex.ToString()); C、After line 05, add the following line: [FaultContract(typeof(FaultException))] Replace line 14 with the following line: throw ex; D、Alter line 05, add the following line: [FaultContract(typeof(FaultException))] Replace line 14 with the following line: throw new FaultException(anOrder, "Divide by zero exception");

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第2题

[单选题] You are developing a Windows Communication Foundation (WCF) service to replace an existing ASMX Web service.The WCF service contains the following code segment. (Line numbers are included for reference only.) 01 [ServiceContract（　）] 02 03 public interface IEmployeeService 04 { 05 [OperationContract（　）] 06 EmployeeInfo GetEmployeeInfo(int employeeID); 07 08 } 09 10 public class EmployeeService : IEmployeeService 11 { 12 13 public EmployeeInfo GetEmployeeInfo(int employeeID) 14 { 15 ... 16 } 17 } 18 19 20 public class EmployeeInfo 21 { 22 ... 23 public int EmployeeID { get; set; } 24 public string FirstName { get; set; } 25 public string LastName { get; set; } 26 27 }The existing Web service returns the EmployeelD as an attribute of the Employeelnfo element in the response XML.You need to ensure that applications can consume th

A、Insert the following code at line 02. [DataContractFormat()] Insert the following code at line 22. [DataMember()] B、Insert the following code at line 02. [XmlSerializerFormat()] Insert the following code at line 22. [XmlAtttibute()] C、Insert the following code at line 09. [XmlSerializerFormat()] Insert the following code at line 22. [XmlAttribute()] D、Insert the following code at line 19. [DataContractFormat()] Insert the following code at line 22. [DataMember()]

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第3题

[单选题] You are developing a Windows Communication Foundation (WCF) service that allows customers to update financial data. The client applications call the service in a transaction. 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 ... 10 class UpdateService : IDataUpdate 11 { 12 [OperationBehavior(TransactionScopeRequired = true, TransactionAutoComplete = true)]13 public void Update(string accountNumber, double amount) 14 { 15 try 16 { 17 ... 18 } 19 catch(Exception ex) 20 { 21 WriteErrorLog(ex); 22 ... 23 } 24 } 25 } 26Customers report that the transaction completes successfully even if the Update method t

A、Insert the following line at line 22: throw; B、Insert the following line at line 09: [ServiceBehavior(TransactionAutoCompleteOnSessionClose=false)] C、Replace line 12 with the following line: [OperationBehavior(TransactionScopeRequired=true, TransactionAutoComplete= false)] D、Insert the following line at line 09.: [ServiceBehavior(TransactionAutoCompleteOnSessionClose=true)]

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第4题

[多选题] You develop a service application named FileService. You deploy the service application to multiple servers on your network.You implement the following code segment. （Line numbers are included for reference only.） You need to develop a routine that will start FileService if it stops. The routine must start FileService on the server identified by the serverName input parameter.Which two lines of code should you add to the code segment？（）

A、Insert the following line of code between lines 03 and 04： crtl.ServiceName = serverName； B、Insert the following line of code between lines 03 and 04： crtl.MachineName = serverName； C、Insert the following line of code between lines 03 and 04： crtl.Site.Name = serverName； D、Insert the following line of code between lines 04 and 05： crtl.Continue（）； E、Insert the following line of code between lines 04 and 05： crtl.Start（）； F、Insert the following line of code between lines 04 and 05： crtl.ExecuteCommand（0）；

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第5题

[单选题] You are modifying a Windows Communication Foundation (WCF) service that allows customers to update financial data. The service currently requires a transaction from the client application and is working correctly. 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 10 public class UpdateService : IDataUpdate 11 { 12 13 [OperationBehavior(TransactionScopeRequired=true, TransactionAutoComplete=true)] 14 public void Update(string accountNumber, double amount) 15 { 16 try 17 { 18 ... 19 } 20 catch(Exception ex) 21 { 22 ... 23 } 24 } 25 }The service must be modified so that client applications do not n

A、Replace line 05 with the following code. [TransactionFlow(TransactionFlowOption.NotAllowed)] B、Replace line 13 with the following code. [OperationBehavior(TransactionScopeRequired=false, TransactionAutoComplete=true)] C、Replace line 05 with the following code. [TransactionFlow(TransactionFlowOption.Allowed)] D、Replace line 13 with the following code. [OperationBehavior(TransactionScopeRequired=false, TransactionAutoComplete=false)]

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第6题

[多选题] You develop a Windows Communication Foundation (WCF) service that employees use to access bonus information.You define the following service contract. (Line numbers are included for reference only.) 01 [ServiceContract(SessionMode = SessionMode.Required)] 02 public interface IFinancialService 03 { 04 [OperationContract] 05 string Login(int employeeID, string passwordHash); 06 07 [OperationContract] 08 double GetBonus(int month); 09 10 [OperationContract(IsTerminating = true)] 11 void Logout（　）; 12 } Client application can invoke methods without logging in. You need to ensure that the client applications invoke Login before invoking any other method. You also need to ensure that client applications cannot consume the service after invoking Logout. Which two action should you perform? （）(Each correct answer presents part of the solution. Choose two.)。

A、Replace line 04 with the following code. [OperationContract(IsInitiating = false)] B、Replace line 04 with the following code. [OperationContract(IsInitiating = true, IsTerminating = true)] C、Replace line 07 with the following code. [OperationContract(IsInitiating = false)] D、Replace line 10 with the following code. [OperationContract(IsInitiating = false, IsTerminating = true)]

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第7题

[单选题] A Windows Communication Foundation (WCF) service implements a contract with one-way and request-reply operations.The service is exposed over a TCP transport. Clients use a router to communicate with the service. The router is implemented as follows. (Line numbers are included for reference only.) 01 ServiceHost host = new ServiceHost(typeof(RoutingService)); 02 host.AddServiceEndpoint( 03 typeof(ISimplexDatagramRouter), 04 new NetTcpBinding（　）, "net.tcp://localhost/Router" 05 ); 06 List lep = new List（　）; 07 lep.Add( 08 new ServiceEndpoint( 09 ContractDescription.GetContract( 10 typeof(ISimplexDatagramRouter) 11 ), 12 new NetTcpBinding（　）, 13 new EndpointAddress("net.tcp://localhost:8080/Logger") 14 ) 15 ); 16 RoutingConfiguration rc = new RoutingConfiguration（　）; 17 rc.FilterTable.Add(new MatchAllMessageFilter（　）, lep); 18 host.Description.Beha

A、Change line 03 as follows: typeof(IRequestReplyRouter), B、Change line 03 as follows: typeof(IDuplexSessionRouter), C、Change line 10 as follows: typeof(IRequestReplyRouter) D、Change line 10 as follows: typeof(IDuplexSessionRouter)

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第8题

[] You develop a Windows Communication Foundation (WCF) service to generate reports. Client applications call the service to initiate report generation but do not wait for the reports to be generated. The service does not provide any status to the client applications. The service class is defined as follows. (Line numbers are included for reference only.) 01 [ServiceContract] 02 public class ReportGeneratorService 03 { 04 ... 05 private int GenerateReports(int clientID) 06 { 07 ... 08 return 0; 09 } 10 } You need to ensure that client applications can initiate reports without waiting for status. Which two actions should you perform (Each correct answer presents part of the solution. Choose two.) （）。 You develop a Windows Communication Foundation (WCF) service to generate reports. Client applications call the service to initiate report generation but do not wait for the reports to be generated. The service does not

A、A. Insert the following code at line 04. [OperationContract(IsOneWay=true)] B、B. Insert the following code at line 04. [OperationContract(AsyncPattern=false)] C、C. At line 05, change the GenerateReports method from private to public. D、D. Remove line 08. At line 05, change the return type of GenerateReports method to void.

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第9题

[单选题] Which of the following can be used to insert a new line below the current line inside a vi session?（）

A、o B、a C、p D、A

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第10题

[] You use Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application. You want the application to contain a window as shown in the following exhibit. The application contains the following code fragment. (Line numbers are included for reference only.) You need to create the application window. Which code fragment should you insert at line 12?（） You use Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application. You want the application to contain a window as shown in the following exhibit. The application contains the following code fragment. (Line numbers are included for reference only.) You need to create the application window. Which code fragment should you insert at line 12?（）

A、A.
B.
C.
D.

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The following line of output was gathered on Enterprise Router Ent1 using the command show ip route. Which of the following answers is most likely to be true, based on thi s output？（）<br /> B 128.107.0.0 [20/10] via 11.11.11.11, 00:02:18

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