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ocp-521

来源:程序员人生   发布时间:2016-03-19 09:12:09 阅读次数:3258次

QUESTION NO: 521
View the Exhibit and examine the resource consumption details for the current plan in use by the database
instance.
Which two statements are true based on the output? (Choose two.)
Exhibit:
A. An attempt to start a new session by the user belonging to DSS_QUERIES fails with an error
B. A user belonging to DSS_QUERIES can log in to a new session but the session will be queued
C. The CPU_WAIT_TIME column indicates the total time that sessions in the consumer group waited for the
CPU due to resource management .
D. The CPU_WAIT_TIME column indicates the total time that sessions in the consumer group waited for
the CPU due to resource management, I/O waits, and latch or enqueue contention
Answer: B,C


查看图表并检查数据库实例使用确当前计划的资源消费明细。
基于输出哪两项描写是真的?

B.属于决策支持系统查询的用户可以登录到1个新的会话,但会话将被排队
C.CPU等待时间列表明由于资源管理在消费组的会话等待CPU的总时间。


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