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其中关于服务代码（SERVICE CODE）下面的描述是正确的？（）
- A、服务代码( Service code)可以帮助客户提取他/她的车辆在非营业时间
- B、服务代码( Service code)是单独的维修项目
- C、服务代码( Service code)经车间发出
- D、服务代码( Service code)描述了保养工作的成本
- E、服务代码( Service code)可通过仪表读出
参考答案
更多 “其中关于服务代码（SERVICE CODE）下面的描述是正确的？（）A、服务代码( Service code)可以帮助客户提取他/她的车辆在非营业时间B、服务代码( Service code)是单独的维修项目C、服务代码( Service code)经车间发出D、服务代码( Service code)描述了保养工作的成本E、服务代码( Service code)可通过仪表读出” 相关考题
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You create a service application that monitors free space on a hard disk drive. You must ensure that the service application runs in the background and monitors the free space every minute. What should you do？（）A、Add code to the default constructor of the Service class to monitor the free space on the hard disk drive.B、Add code to the OnStart method of the Service class to monitor the free space on the hard disk drive.C、Add an instance of the System.Windows.Forms.Timer class to the Service class and configure it to fire every minute.D、Add an instance of the System.Timers.Timer class to the Service class and configure it to fire every minute.E、Add code to the OnStart method of the Service class to start the timer.F、Add code to the Elapsed event handler of the timer to monitor the free space on the hard disk drive.G、Add code to the Tick event handler of the timer to monitor the free space on the hard disk drive.
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You are developing a Windows Communication Foundation (WCF) service that is hosted by a Windows Forms Application.The ServiceHost instance is created in the Form Constructor.You need to ensure that the service is not blocked while the UI thread is busy. What should you do?（）A、Decorate the service implementation class with the following line of code [ServiceBehavior(UseSyncronizationContext = false)]B、Decorate the service implementation class with the following line of code [ServiceBehavior(ConcurrencyMode = ConcurrencyMode.Multiple)]C、Call the Invoke method of the form and supply a delegate.D、Call the BeginInvoke method of the form and supply a delegate.
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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 the service without code changes in the client. What should you do?（）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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You are integrating a Windows Communication Foundation (WCF) service within an enterprise-wide Service Oriented Architecture (SOA).Your service has the following service contract: [ServiceContract]public class CreditCardConfirmationService { [OperationContract] boolean ConfirmCreditCard(string ccNumber); double OrderAmount(int orderNumber);} You need to allow the code in the ConfirmCreditCard method to participate automatically in existing transactions.If there is no existing transaction, a new transaction must be created automatically. What should you do?（）A、Inside the ConfirmCreditCard method, surround the code that must participate in the transaction with a using(new TransactionScope()) block.B、Inside the ConfirmCreditCard method, surround the code that must participate in the transaction with a using(new CommittableTransaction()) block.C、Add an [OperationBehavior(TransactionScopeRequired=true)] attribute to the ConfirmCreditCard method.D、Add an [OperationBehavior(TransactionAutoComplete=true)] attribute to the ConfirmCreditCard method.
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You work as an application developer at Certkiller .com. You have been given the task of developing a Windows service application that regularly monitors other Windows services on the same computer. This Windows service application must also log any abnormal file system activity. You have added the following class to the Windows service application： public class EnumerateService ： ServiceBase { public static EnumerateService （） { this.ServiceName = "Enumerate Service"； this.CanStop = true； } protected override void OnStart （string[] args） { // Enumerate all services and initialize the FileSystemWatcher } protected override void OnStop （） { // Stop the FileSystemWatcher and perform cleanup } public static void Main （） { EnumerateService service = new EnumerateService（）； } } You then create the installer for the Windows service application， and install the Windows service application. You have configured the Windows service Startup type to Automatic， and rebooted the system. You then test the new Windows service application， and find that it is not working.You need to ensure that the service is working properly. What should you do？（）A、 Override the OnBoot method instead of the OnStart method.B、 Replace the Main method code with the following code： EnumerateService service = new EnumerateService （）； Service.Run （）；C、 Override the OnLoad method instead of the OnStart method.D、 Replace the Main method code with the following code： EnumerateService service = new EnumerateService （）； Run （service）；
考题
单选题You develop a service application named PollingService that periodically calls long-running procedures.These procedures are called from the DoWork method.You use the following service application code： When you attempt to start the service， you receive the following error message： Could not start the PollingService service on the local computer.Error 1053： The service did not respond to the start or control request in a timely fashion. You need to modify the service application code so that the service starts properly.What should you do？（）A
Move the loop code into the constructor of the service class from the OnStart method.B
Drag a timer component onto the design surface of the service. Move the calls to the long-running procedure from the OnStart method into the Tick event procedure of the timer， set the Enabled property of the timer to True， and call the Start method of the timer in the OnStart method.C
Add a class-level System.Timers.Timer variable to the service class code. Move the call to the DoWork method into the Elapsed event procedure of the timer， set the Enabled property of the timer to True， and call the Start method of the timer in the OnStart method.D
Move the loop code from the OnStart method into the DoWork method.
考题
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 the service without code changes in the client. What should you do?（）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()]
考题
单选题You are developing a Windows Communication Foundation (WCF) service that is hosted by a Windows Forms Application.The ServiceHost instance is created in the Form Constructor.You need to ensure that the service is not blocked while the UI thread is busy. What should you do?（）A
Decorate the service implementation class with the following line of code [ServiceBehavior(UseSyncronizationContext = false)]B
Decorate the service implementation class with the following line of code [ServiceBehavior(ConcurrencyMode = ConcurrencyMode.Multiple)]C
Call the Invoke method of the form and supply a delegate.D
Call the BeginInvoke method of the form and supply a delegate.
考题
多选题You create a service application that monitors free space on a hard disk drive. You must ensure that the service application runs in the background and monitors the free space every minute. What should you do？（）AAdd code to the default constructor of the Service class to monitor the free space on the hard disk drive.BAdd code to the OnStart method of the Service class to monitor the free space on the hard disk drive.CAdd an instance of the System.Windows.Forms.Timer class to the Service class and configure it to fire every minute.DAdd an instance of the System.Timers.Timer class to the Service class and configure it to fire every minute.EAdd code to the OnStart method of the Service class to start the timer.FAdd code to the Elapsed event handler of the timer to monitor the free space on the hard disk drive.GAdd code to the Tick event handler of the timer to monitor the free space on the hard disk drive.
考题
单选题The maritime access code for the IOR is（）in INMARSAT-A Telex Service.A
581B
582C
583D
584
考题
单选题In INMASAT-A service code 32（）.A
medical assistanceB
medical adviseC
maritime assistanceD
technical assistance
考题
单选题以下关于绑定式Service的描述不正确的是（）A
服务链接能够获取到Service对象，因此绑定Service的组件可以调用在Service中实现的函数。B
使用Service的组件通过Context.bindService（）建立服务链接，通过Context.stopService（）或Service.stopSefl（）停止服务链接。C
如果在绑定过程中Service没有启动，Context.bindService（）会自动启动Service。D
同一个Service可以绑定多个服务链接，这样可以同时为多个不同的组件提供服务。
考题
多选题IntServ可以提供以下哪些服务（）A保证服务（Guaranteed service）B负载控制服务（Controlled-Load service）C区分服务（Differentiated service）D电路服务（Circuit service）
考题
单选题You are integrating a Windows Communication Foundation (WCF) service within an enterprise-wide Service Oriented Architecture (SOA).Your service has the following service contract: [ServiceContract]public class CreditCardConfirmationService { [OperationContract] boolean ConfirmCreditCard(string ccNumber); double OrderAmount(int orderNumber);} You need to allow the code in the ConfirmCreditCard method to participate automatically in existing transactions.If there is no existing transaction, a new transaction must be created automatically. What should you do?（）A
Inside the ConfirmCreditCard method, surround the code that must participate in the transaction with a using(new TransactionScope()) block.B
Inside the ConfirmCreditCard method, surround the code that must participate in the transaction with a using(new CommittableTransaction()) block.C
Add an [OperationBehavior(TransactionScopeRequired=true)] attribute to the ConfirmCreditCard method.D
Add an [OperationBehavior(TransactionAutoComplete=true)] attribute to the ConfirmCreditCard method.
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