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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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单选题Which one of the following commands would you enter to terminate a VTY line session?（）A
closeB
disableC
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suspendE
exitF
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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
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单选题Which of the following can be used to insert a new line below the current line inside a vi session?（）A
oB
aC
pD
A
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Point p = new Point（）；B
Line.Point p = new Line.Point（）；C
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