The System.ServiceModel.Channels namespace contains the DeliveryFailure enumeration. DeliveryFailure specifies the possible types of delivery failure for a message read from the queue. Which of the following elements is a valid DeliveryFailure?
A.	BadSignature
B.	AccessDenied
C.	ReceiveTimeout
D.	All of these
Answer:D
The System.ServiceModel.Channels namespace contains the DeliveryFailure enumeration. DeliveryFailure specifies the possible types of delivery failure for a message read from the queue. Which of the following elements is a valid DeliveryFailure?
A.	BadSignature B.	AccessDenied C.	ReceiveTimeout D.	All of these