题目内容

能控制生产机械运动行程和位置的方法称为位置控制。

A. 正确
B. 错误

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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.
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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