Which lock mode do you use if you want lock data can be edited only by one user and protects the locked objects against all types of other transactions?

Which lock mode do you use if you want lock data can be edited only by one user and protects the locked objects against all types of other transactions?
A . Optimistic locks (lock mode Optimistic)
B . Enhanced write locks (lock mode exclusive noncumulative)
C . Write locks (lock mode Exclusive)
D . Read locks (lock mode shared)

Answer: B

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