You are developing a WCF service requires implementations of the new data contracts to validate against the
old schema. You need to develop a new data contractwithout breaking current functionality. What should you
do?
Answer: 
Explanation:
You need to develop a new data contractwithout breaking current functionality
You are developing a WCF service requires implementations of the new data contracts to validate against the
old schema. You need to develop a new data contractwithout breaking current functionality. What should you
do?
Name 2 times
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