A service contract specifies what an endpoint communicates to the outside world. At a more concrete level, it is a statement about a set of specific messages organized into basic message exchange patterns (MEPs), such as request/reply, one-way, and duplex. Which of the following is NOT part of the Service Contract specification:
A.	The data types of messages
B.	The specific protocols and serialization formats
C.	The location of the operations
D.	The frequency of messages per second
Answer:D
A service contract specifies what an endpoint communicates to the outside world. At a more concrete level, it is a statement about a set of specific messages organized into basic message exchange patterns (MEPs), such as request/reply, one-way, and duplex. Which of the following is NOT part of the Service Contract specification:
A.	The data types of messages B.	The specific protocols and serialization formats C.	The location of the operations D.	The frequency of messages per second