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Click the Exhibit button and examine the diagram， which illustrates the components performing tasks within an Oracle Shared Sever environment. Which task is being performed by component 4？（）
A:The PMON process registers the request in the response queue.
B:A shared sever places the process request in the response queue.
C:A request within the request queue is processed by an idle shared server process.
D:A dispatcher assigns a request from the request queue to and idle shared server process.

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出自：Oracle认证

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