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In a Java EE messaging application, one MDB is consuming a lot of memory at high traffic.    What configuration should you use to prevent possible out-of-memory error at high traffic and at the same time not losing messages?（）
A:Configure a Work Manager for the MDB with a Maximum Thread Constraint.
B:Configure a Work Manager for the MDB with a Minimum Thread Constraint.  
C:Configure a Work Manager for the MDB with a Maximum Thread Constraint and a Capacity  Constraint. 
D:Configure a Work Manager for the MDB with a Minimum Thread Constraint and a Capacity Constraint. 
E:Configure a Work Manager for the MDB with both a Maximum Thread Constraint and Minimum Thread Constraint.

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出自：Oracle认证

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