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单选题
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.
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更多 “单选题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.” 相关考题
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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.
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You want to make sure that your database backup does not exceed 10 hours in length. What command would you issue that would meet this condition?（）A、backup database plus archivelogB、backup database plus archivlog until time ‘10:00‘C、backup database plus archivelog timeout ‘10:00‘D、backup database plus archivelog duration 10:00
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You want to use the Flashback Transaction Query feature to identify all the changes made to your database within a specific time period. What is a prerequisite for using the Flashback Transaction Query feature？（）A、 You must use automatic undo management in the database.B、 You must configure OMF in your database.C、 You must configure ASM for storing the datafiles.D、 You must multiplex the online redo log file.
考题
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
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.
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You work as a database administrator for Certkiller .com. In your transaction application， you have scheduled a job to update the optimizer statistics at05：00 pm every Friday. The job has successfully completed. Which three pieces of information would you check to confirm that the statistics have been collected？（）A、Average row sizeB、Last analyzed dateC、Size of table in bytesD、Size of table in database blocksE、Number of free blocks in the free listF、Number of extents present in the table.
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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？（）A、use enterprise managerB、use DBMS_SQL packageC、use DBMS_AWR packageD、use PRVT_WORKLOAD packageE、query the AWR snapshot repository objectsF、use DBMS_WORKLOAD_REPOSITORY package
考题
You executed the following query in your database： SELECT oldest_flashback_scn， oldest_flashback_time FROM V$FLASHBACK_DATABASE_LOG； What would you determine from the output？（）A、 The time when the last flashback operation in your database was performed.B、 The time when the first flashback operation in your database was performed.C、 A list of flashback operations performed in your database using SCN and time.D、 The approximate time and the lowest system change number （SCN） to which you can flash back your database.
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You are using flat files as the data source for one of your data warehousing applications. You plan to move the data from the flat file structures to an Oracle database to optimize the application performance. In your database you have clustered tables. While migrating the data， you want to have minimal impact on the database performance and optimize the data load operation. Which method would you use to load data into Oracle database？（）A、use the external table populationB、use the Oracle Data Pump export and import utilityC、use the conventional path data load of SQL*Loader utilityD、use the direct path data load of Oracle export and import utility
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You executed the following query in your database： FROM V$FLASHBACK_DATABASE_LOG; What would you determine from the output？（）A、the time when the last flashback operation in your database was performedB、the time when the first flashback operation in your database was performedC、a list of flashback operations performed in your database using SCN and timeD、the approximate time and the lowest system change number （SCN） to which you can flash back your database
考题
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
考题
In your production database， data manipulation language （DML） operations are executed on theSALES table. You have noticed some dubious values in the SALES table during the last few days. Youare able to track users， actions taken， and the time of the action for this particular period but the changesin data are not tracked. You decide to keep track of both the old data and new data in the table along withthe user information. What action would you take to achieve this task（）A、Apply fine-grained auditing.B、Implement value-based auditing.C、Impose standard database auditing to auditobject privileges.D、Impose standard databaseauditing to audit SQL statements.
考题
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
In your Oracle 10g database ， you have scheduled a job to update the optimizer statistics at 05：00 pm every Friday. The job has successfully completed. Which three pieces of information would you check to confirm that the statistics have been collected？（）A、average row sizeB、last analyzed dateC、size of table in bytesD、size of table in database blocksE、number of free blocks in the free listF、number of extents present in the table
考题
You want to monitor and control the resource usage by sessions. You want to be warned automatically when more than 100 sessions are opened with your database. What action would you take to achieve this？（）A、Use the Database Resource Manager.B、Set the limits in the profiles used by users.C、Modify the SESSIONS initialization parameter.D、Set the warning threshold for the Current Logons Count metric.
考题
单选题You work as a database administrator at Certkiller .com. Your production database uses an Automatic Storage Management （ASM） instance to manage its files. You want to add a new disk group to the ASM instance to manage the increased data load. What action would you perform to include the new disk group in the ASM instance without causing any impact on the currently connected users？（）A
mount the new disk group in the ASM instanceB
restart the ASM instance and the production database instanceC
register the new disk groups in the production database instanceD
restart the ASM instance without restarting the production database instanceE
include the new disk group in the ASM_DISKSTRING parameter in the parameter file and restart the ASM instance
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
单选题You want to make sure that your database backup does not exceed 10 hours in length. What command would you issue that would meet this condition?（）A
backup database plus archivelogB
backup database plus archivlog until time ‘10:00‘C
backup database plus archivelog timeout ‘10:00‘D
backup database plus archivelog duration 10:00
考题
单选题You executed the following query in your database： FROM V$FLASHBACK_DATABASE_LOG; What would you determine from the output？（）A
the time when the last flashback operation in your database was performedB
the time when the first flashback operation in your database was performedC
a list of flashback operations performed in your database using SCN and timeD
the approximate time and the lowest system change number （SCN） to which you can flash back your database
考题
单选题You are using flat files as the data source for one of your data warehousing applications. You plan to move the data from the flat file structures to an Oracle database to optimize the application performance. In your database you have clustered tables. While migrating the data， you want to have minimal impact on the database performance and optimize the data load operation. Which method would you use to load data into Oracle database？（）A
use the external table populationB
use the Oracle Data Pump export and import utilityC
use the conventional path data load of SQL*Loader utilityD
use the direct path data load of Oracle export and import utility
考题
单选题In your production database， data manipulation language （DML） operations are executed on theSALES table. You have noticed some dubious values in the SALES table during the last few days. Youare able to track users， actions taken， and the time of the action for this particular period but the changesin data are not tracked. You decide to keep track of both the old data and new data in the table along withthe user information. What action would you take to achieve this task（）A
Apply fine-grained auditing.B
Implement value-based auditing.C
Impose standard database auditing to auditobject privileges.D
Impose standard databaseauditing to audit SQL statements.
考题
单选题You executed the following query in your database： SELECT oldest_flashback_scn， oldest_flashback_time FROM V$FLASHBACK_DATABASE_LOG； What would you determine from the output？（）A
The time when the last flashback operation in your database was performed.B
The time when the first flashback operation in your database was performed.C
A list of flashback operations performed in your database using SCN and time.D
The approximate time and the lowest system change number （SCN） to which you can flash back your database.
考题
单选题You want to monitor and control the resource usage by sessions. You want to be warned automatically when more than 100 sessions are opened with your database. What action would you take to achieve this？（）A
Use the Database Resource Manager.B
Set the limits in the profiles used by users.C
Modify the SESSIONS initialization parameter.D
Set the warning threshold for the Current Logons Count metric.
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
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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