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单选题
Identify a performance impact when using the Performance Schema.（）
A
There is no impact on performance
B
The overhead depends on the settings of the Performance Schema
C
There is an overhead for querying the Performance Schema but not for having it enabled
D
There is a constant overhead regardless of settings and workload
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by using the SQL access advisorB
by using the Automatic Workload Repository reportC
by running the Automatic Database Diagnostic Monitor （ADDM）D
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differencing disk.B
dynamically expanding disk.C
fixed-size disk.D
snapshot.
考题
单选题What does the "allow performance information collection" button do in the Hardware Management Console （HMC） GUI？ （）A
It allows you to get inter partition reports， or cross partition performance activity.B
It will allow IBM remote technical support to get performance information from the machine.C
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Run the Get-StoreUsageStatistics cmdlet.C
Add the MSExchangeIS Client performance counters to the Performance Monitor.D
Add the MSExchangeIS Mailbox performance counters to the Performance Monitor.
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