The instancing behaviour (set by using the System.ServiceModel.ServiceBehaviorAttribute.InstanceContextMode property) controls how the InstanceContext is created in response to incoming messages. You have created a new WCF service and set the InstanceContextMode to PerCall. What is the behaviour of the InstanceContext in this mode?
A.	A new InstanceContext is created for each call
B.	A new InstanceContext is created for each channel
C.	A new InstanceContext is created for all calls
D.	A new InstanceContext is never created
Answer:A
The instancing behaviour (set by using the System.ServiceModel.ServiceBehaviorAttribute.InstanceContextMode property) controls how the InstanceContext is created in response to incoming messages. You have created a new WCF service and set the InstanceContextMode to PerCall. What is the behaviour of the InstanceContext in this mode?
A.	A new InstanceContext is created for each call B.	A new InstanceContext is created for each channel C.	A new InstanceContext is created for all calls D.	A new InstanceContext is never created