You need to develop a new data contract without breaking current functionality

DRAG DROP

You are developing a WCF service.
The WCF service requires implementations of the new data contracts to validate against the old schema.
You need to develop a new data contract without breaking current functionality.
What should you do? (To answer, drag the appropriate code segments to the correct location or
locations in the answer area. Each code segment may be used once, more than once, or not at all. You
may need to drag the split bar between panes or scroll to view content.)

DRAG DROP

You are developing a WCF service.
The WCF service requires implementations of the new data contracts to validate against the old schema.
You need to develop a new data contract without breaking current functionality.
What should you do? (To answer, drag the appropriate code segments to the correct location or
locations in the answer area. Each code segment may be used once, more than once, or not at all. You
may need to drag the split bar between panes or scroll to view content.)

Answer:

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