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You are developing an ASP.NET MVC application that reads and writes data from a SQL Server database. You need to maintain data integrity in all situations that use transactions.
Correct Answer: C
Explanation/Reference: Explanation: The highest isolation level, serializable, guarantees that a transaction will retrieve exactly the same data every time it repeats a read operation. References:https://technet.microsoft.com/en-us/library/ms189122(v=sql.105)