You need to develop a new data contract without breaking current functionality
Which instancing mode should you use?
How should you modify the file?
Which configuration values should you use?
You need to complete the code to meet the requirements
You need to return an anonymous object that is serialized to JSON
Which HTTP verb should you use?
You need to configure the Web API
Which code segment should you use?
You need to maintain data integrity in all situations that use transactions.