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多选题
Your database instance is functional for the past one month. The Automatic Workload Repository（AWR） snapshot retention is set to 7 and the STATISTICS_LEVEL initialization parameter is set to TYPICAL. You receive a complaint about the poor performance of the database between 7 PM and 9 PM of theprevious day. Choose two actions any of which can be referred to first to diagnose the problem. （）
A
Use the Active Session History report.
B
Use the AWR Compare Periods report.
C
Use an ADDM analysis between 7 PM and 9 PM of the previous day.
D
Use the AWR Compare Period report between 7 PM and 9 PM of the previous day.
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更多 “多选题Your database instance is functional for the past one month. The Automatic Workload Repository（AWR） snapshot retention is set to 7 and the STATISTICS_LEVEL initialization parameter is set to TYPICAL. You receive a complaint about the poor performance of the database between 7 PM and 9 PM of theprevious day. Choose two actions any of which can be referred to first to diagnose the problem. （）AUse the Active Session History report.BUse the AWR Compare Periods report.CUse an ADDM analysis between 7 PM and 9 PM of the previous day.DUse the AWR Compare Period report between 7 PM and 9 PM of the previous day.” 相关考题
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Insert finding directives for ADDM tasks in the future.B
Create a baseline on a pair of snapshots spanning the peak-load period.C
Decrease the snapshot interval in the AWR to collect more snapshots during the peak-load period.D
Set the snapshot retention period in the Automatic Workload Repository （AWR） to zero to avoid automatic purging of snapshots.
考题
单选题Your database is functional with peak load for one hour. You want to preserve the performance statistics collected during this period so that they can be used for comparison while analyzing the performance of thedatabase in the future. What action would you take to achieve this task？（）A
Set the STATISTICS_LEVEL initialization parameter to ALL.B
Create a baseline on a pair of snapshots that have the statistics of the peak-load period in the database.C
Decrease the snapshot interval in the AWR to collect more number of snapshots during the peak-load period.D
Set the snapshot retention period in the Automatic Workload Repository （AWR） to zero to avoid the automatic purging of the snapshots.
考题
单选题Your database is functional with peak load for one hour. You want to preserve the performance statistics collected during this period so that they can be used for comparison while analyzing the performance of the database in the future. What action would you take to achieve this task？（）A
Set the STATISTICS_LEVEL initialization parameter to ALL.B
Create a baseline on a pair of snapshots that have the statistics of the peakload period in the database.C
Decrease the snapshot interval in the AWR to collect more number of snapshots during the peakload period.D
Set the snapshot retention period in the Automatic Workload Repository （AWR） to zero to avoid theautomatic purging of the snapshots.
考题
单选题In your database，the STATISTICS_LEVEL initialization parameter is set to BASIC. What is the impact of this setting？（）A
The optimizer statistics are collected automatically.B
Only the timed operating system （OS） statistics and plan execution statistics are collected.C
The Oracle server dynamically generates the necessary statistics on tables as part of query optimization.D
The snapshots for the Automatic Workload Repository （AWR） are not generated automatically. E
Snapshots cannot be collected manually by using DBMS_WORKLOAD_REPOSITORY PACKAGE.
考题
单选题You want to enable automatic PGA memory management in your database. Which setting is required to achieve this？（）A
Set MEMORY_TARGET to zeroB
Set the STATISTICS_LEVEL parameter to BASICC
Set the WORKAREA_SIZE_POLICY parameter to MANUALD
Set the PGA_AGGREGATE_TARGET parameter to nonzero value
考题
多选题Your database instance is functional for the past one month. The Automatic Workload Repository（AWR） snapshot retention is set to 7 and the STATISTICS_LEVEL initialization parameter is set to TYPICAL. You receive a complaint about the poor performance of the database between 7 PM and 9 PM of theprevious day. Choose two actions any of which can be referred to first to diagnose the problem. （）AUse the Active Session History report.BUse the AWR Compare Periods report.CUse an ADDM analysis between 7 PM and 9 PM of the previous day.DUse the AWR Compare Period report between 7 PM and 9 PM of the previous day.
考题
单选题The Automatic Database Diagnostic Monitor （ADDM） analysis runs every 60 minutes on your database. Your database is facing a series of interrelated problems over a period of two hours. You need to ensure that the ADDM analysis is run over a time span of two hours in future. What would you do？（）A
Create two custom ADDM tasks.B
Modify the AWR snapshot time interval to two hours.C
Create a new scheduler window for a time period of two hours.D
Modify the Automatic Workload Repository （AWR） snapshot retention period to two hours.
考题
多选题You work as a database administrator for Certkiller .com. You have set the retention period for Automatic Repository （AWR） statistics to four days and collection interval to 15 minutes. You want to view the statistics collected and stored in AWR snapshot. Which two methods would you use to view the AWR statistics？（）Ause enterprise managerBuse DBMS_SQL packageCuse DBMS_AWR packageDuse PRVT_WORKLOAD packageEquery the AWR snapshot repository objectsFuse DBMS_WORKLOAD_REPOSITORY package
考题
单选题Your database is functional with a peak load for the last one hour. You want to preserve the performancestatistics collected during this period to be used for comparison when you analyze the performance of thedatabase in the future. What action would you take to achieve this task（）A
Insert finding directives for ADDM tasks in the future.B
Create a baseline on a pair of snapshots spanning the peak-load period.C
Decrease the snapshot interval in the AWR to collect more snapshots during the peak- load period.D
Set the snapshot retention period in the Automatic Workload Repository （AWR） to zero to avoid automaticpurging of snapshots
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