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单选题You plan to set up the Automatic Workload Repository (AWR) baseline metric thresholds for a moving window baseline. Which action would you take before performing this task?（）A Compute the baseline statistics.B Take an immediate AWR snapshot.C Decrease

题目
单选题
You plan to set up the Automatic Workload Repository (AWR) baseline metric thresholds for a moving window baseline. Which action would you take before performing this task?（）
A

Compute the baseline statistics.

B

Take an immediate AWR snapshot.

C

Decrease the window size for the baseline.

D

Decrease the expiration time for the baseline.

相似考题

1.You plan to have a larger moving window size for the default system-defined moving window baseline because you want to use the adaptive threshold. Which statement factors in this consideration while increasing the size of the moving window?（）A. The collection level for the AWR should be set to BASICB. The moving window size must be less than Undo RetentionC. The moving window size should be greater than the Automatic Workload Repository (AWR) retention periodD. The moving window size should be equal to or less than the Automatic Workload Repository (AWR) retention period

2.Identify the two direct sources from where SQL plans can be loaded into the SQL plan baselines.()A. Cursor cacheB. Stored outlineC. SQL Tuning SetD. Automatic Workload Repository (AWR) snapshots

3.You plan to have a larger moving window size for the default system-defined moving window baseline because you want to use the adaptive threshold. Which statement factors in this consideration while increasing the size of the moving window?（）A、The collection level for the AWR should be set to BASICB、The moving window size must be less than Undo RetentionC、The moving window size should be greater than the Automatic Workload Repository (AWR) retention periodD、The moving window size should be equal to or less than the Automatic Workload Repository (AWR) retention period

4.You plan to set up the Automatic Workload Repository (AWR) baseline metric thresholds for a moving window baseline. Which action would you take before performing this task?()A. Compute the baseline statistics.B. Take an immediate AWR snapshot.C. Decrease the window size for the baseline.D. Decrease the expiration time for the baseline.

更多“You plan to set up the Automatic Workload Repository (AWR) b”相关问题

  • 第1题：

    Your database is functional with a peak load for the last one hour. You want to preserve theperformance statistics collected during this period to be used for comparison when you analyze theperformance of the database 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 automatic purging of snapshots.

    正确答案:B

  • 第2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.

    正确答案:B

  • 第3题：

    Which two statements are true about the Automatic Workload Repository （AWR）（）

    • A、All AWR tables belong to the SYSTEM schema.
    • B、The AWR contains systemwide tracing and logging information.
    • C、The snapshots collected by the AWR are accessible through data dictionary views.
    • D、The snapshots collected by the AWR are used by self-tuning components in the database.

    正确答案:C,D

  • 第4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.

    正确答案:D

  • 第5题：

    You find that the execution time of reports in your datawarehouse application is significantly high. You suspect the lack of indexes to be the reason for the degradation in performance.  Which advisory component would you refer to， in order to determine the appropriate indexes？（） 

    • A、Memory Advisor
    • B、Segment Advisor
    • C、SQL Access Advisor
    • D、Automatic Workload Repository （AWR）
    • E、Automatic Database Diagnostic Monitor （ADDM）

    正确答案:C

  • 第6题：

    Identify the two direct sources from where SQL plans can be loaded into the SQL plan baselines.（）

    • A、Cursor cache
    • B、Stored outline
    • C、SQL Tuning Set
    • D、Automatic Workload Repository (AWR) snapshots

    正确答案:A,C

  • 第7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

    正确答案:B

  • 第8题：

    The system was running a normal workload during the last 24 hours. You need to ensure that with the same workload you should be able to flashback tables by three hours. What would you do to find the system recommendations for the undo retention period and the undo tablespace size?（）

    • A、set DB_FLASHBACK_RETENTION_TARGET=10800  
    • B、create a new scheduler window for the time period of 24 hours and use the optimizer statistics 
    • C、modify the Automatic Workload Repository (AWR) snapshot time interval to three hours and use ADDMfindings 
    • D、specify New Undo Retention as three hours and Analysis Time period as Last One Day in the Undo Advisor page and use its recommendations

    正确答案:D

  • 第9题：

    单选题
    Which statement is true when Automatic Workload Repository （AWR） baselines are created using baseline templates？（）
    A

     AWR baselines are always created as repeating baselines.

    B

     AWR baselines can be created on the basis of two time values.

    C

     AWR baselines are always created with infinite expiration duration.

    D

     AWR baselines are always created using the Automatic Workload Repository （AWR） retention period as expiration duration.


    正确答案： D
    解析： 暂无解析

  • 第10题：

    单选题
    You plan to set up the Automatic Workload Repository （AWR） baseline metric thresholds for a moving window baseline. Which action would you take before performing this task？（）
    A

     Compute the baseline statistics.

    B

     Take an immediate AWR snapshot.

    C

     Decrease the window size for the baseline.

    D

     Decrease the expiration time for the baseline.


    正确答案： D
    解析： 暂无解析

  • 第11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.


    正确答案： C
    解析： 暂无解析

  • 第12题：

    单选题
    You find that the execution time of reports in your datawarehouse application is significantly high. You suspect the lack of indexes to be the reason for the degradation in performance. Which advisory component would you refer to， in order to determine the appropriate indexes？（）
    A

     Memory Advisor

    B

     Segment Advisor

    C

     SQL Access Advisor

    D

     Automatic Workload Repository （AWR）

    E

     Automatic Database Diagnostic Monitor （ADDM）


    正确答案： C
    解析： 暂无解析

  • 第13题：

    You plan to set up the Automatic Workload Repository (AWR) baseline metric thresholds for a moving window baseline. Which action would you take before performing this task?（）

    • A、Compute the baseline statistics.
    • B、Take an immediate AWR snapshot.
    • C、Decrease the window size for the baseline.
    • D、Decrease the expiration time for the baseline.

    正确答案:A

  • 第14题：

    You plan to collect the Automatic Workload Repository （AWR） data every Monday morning for a month. You want Oracle Database to automatically create a baseline every Monday and remove the old baseline.  What is the correct action to achieve this？（）  

    • A、 Create and populate a SQL Tuning Set from the AWR on every Monday.
    • B、 Change the RETENTION setting for the AWR snapshots to 7 days on Monday.
    • C、 Create a repeating baseline template.
    • D、 Insert a finding directive for future ADDM tasks.

    正确答案:C

  • 第15题：

    Which statement is true when Automatic Workload Repository (AWR) baselines are created using baseline templates?（）

    • A、AWR baselines are always created as repeating baselines.
    • B、AWR baselines can be created on the basis of two time values.
    • C、AWR baselines are always created with infinite expiration duration.
    • D、AWR baselines are always created using the Automatic Workload Repository (AWR) retention period as expiration duration.

    正确答案:B

  • 第16题：

    Which statement is true when Automatic Workload Repository （AWR） baselines are created using baseline templates？（）  

    • A、 AWR baselines are always created as repeating baselines.
    • B、 AWR baselines can be created on the basis of two time values.
    • C、 AWR baselines are always created with infinite expiration duration.
    • D、 AWR baselines are always created using the Automatic Workload Repository （AWR） retention period as expiration duration.

    正确答案:B

  • 第17题：

    Which statements are true regarding the system-defined moving window baseline in Oracle Database 11g？（）

    • A、 It does not allow you to change the moving window size.
    • B、 Adaptive threshold functionalities use it by default to compute statistics.
    • C、 It is created by default with the window size being equal to the AWR retention time.
    • D、 It is created when the first snapshot is collected by the Automatic Workload Repository （AWR）.

    正确答案:B,C

  • 第18题：

    The following command is executed to create the baseline template：   SQL> EXECUTEDBMS_WORKLOAD_REPOSITORY.CREATE_BASELINE_TEMPLATE（START_TIME=> TO_TIESTAMP（SYSDATE+2），  END_TIME=>TO_TIMESTAMP（SYSDATE+10）， BASELINE_NAME=>’Mybase4’，  TEMPLATE_NAME=>’Mytemp4’， EXPIRATION=>NULL）；   Which statement is true about the effect of the above command？（）  

    • A、 It creates a baseline template that never expires.
    • B、 It produces an error because no snapshot information is provided to create the baseline.
    • C、 It creates a baseline template that expires after the Automatic Workload Repository （AWR） retention period.
    • D、 It creates a repeating baseline template that repeats after the Automatic Workload Repository （AWR） retention period.

    正确答案:A

  • 第19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.

    正确答案:B

  • 第20题：

    In your database instance， the STATISTICS_LEVEL initialization parameter is set to BASIC.  What isthe impact of this setting（）

    • A、Optimizer statistics are collected automatically.
    • B、Only timed operating system （OS） statistics and plan execution statistics are collected.
    • C、The snapshots for the Automatic Workload Repository （AWR） are not generated automatically.
    • D、Snapshots cannot be collected manually by using the DBMS_WORKLOAD_REPOSITORY package.
    • E、The Oracle server dynamically generates the necessary statistics on tables as part of query optimization.

    正确答案:C

  • 第21题：

    多选题
    You work as a database administrator for Supportcenter.cn. 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？（）
    A

    use enterprise manager

    B

    use DBMS_SQL package

    C

    use DBMS_AWR package

    D

    use PRVT_WORKLOAD package

    E

    query the AWR snapshot repository objects

    F

    use DBMS_WORKLOAD_REPOSITORY package


    正确答案： B,F
    解析： 暂无解析

  • 第22题：

    单选题
    Which statement is true when Automatic Workload Repository (AWR) baselines are created using baseline templates?（）
    A

    AWR baselines are always created as repeating baselines.

    B

    AWR baselines can be created on the basis of two time values.

    C

    AWR baselines are always created with infinite expiration duration.

    D

    AWR baselines are always created using the Automatic Workload Repository (AWR) retention period as expiration duration.


    正确答案： A
    解析： 暂无解析

  • 第23题：

    单选题
    You work with a newly created database. Presently， there is no application load on the database instance. You want to create a baseline for tuning the application， so you decide to collect recommendations that can be implemented to improve application performance.  What action must you take to achieve this？（）
    A

     Run Segment Advisor

    B

     Run the SQL Tuning Advisor （STA）

    C

     Run the Automatic Workload Repository （AWR） report

    D

     Run the SQL Access Advisor with a hypothetical workload


    正确答案： D
    解析： 暂无解析

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