A WCF service code is implemented as follows. (Line numbers are included for reference only)01 [ServiceContract]02 [ServiceBehavior(InstanceContextMode =03 InstanceContextMode.Single)]04 public class CalculatorService05 {06 [OperationContract]07 public double Calculate(double op1, string op, double op2)08 {09 }10 }You need to increase the rate by which clients get the required response from the service. What are two possble ways to achieve this goal? (Each correct answer presents a complete solution. Choose two.)（）A.B.C.D.
A WCF service code is implemented as follows. (Line numbers are included for reference only)01 [ServiceContract]02 [ServiceBehavior(InstanceContextMode =03 InstanceContextMode.Single)]04 public class CalculatorService05 {06 [OperationContract]07 public double Calculate(double op1, string op, double op2)08 {09 }10 }You need to increase the rate by which clients get the required response from the service. What are two possble ways to achieve this goal? (Each correct answer presents a complete solution. Choose two.)（）
A.
B.
C.
D.
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