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You notice that the performance of your production 24/7 Oracle database significantly degraded.Sometimes you are not able to connect to the instance because it hangs. You do not want to restart thedatabase instance.How can you detect the cause of the degraded performance?（）
- A、Enable Memory Access Mode, which reads performance data from SGA.
- B、Use emergency monitoring to fetch data directly from SGA analysis.
- C、Run Automatic Database Diagnostic Monitor (ADDM) to fetch information from the latest Automatic Workload Repository (AWR) snapshots.
- D、Use Active Session History (ASH) data and hang analysis in regular performance monitoring.
- E、Run ADDM in diagnostic mode.
参考答案
更多 “You notice that the performance of your production 24/7 Oracle database significantly degraded.Sometimes you are not able to connect to the instance because it hangs. You do not want to restart thedatabase instance.How can you detect the cause of the degraded performance?（）A、Enable Memory Access Mode, which reads performance data from SGA.B、Use emergency monitoring to fetch data directly from SGA analysis.C、Run Automatic Database Diagnostic Monitor (ADDM) to fetch information from the latest Automatic Workload Repository (AWR) snapshots.D、Use Active Session History (ASH) data and hang analysis in regular performance monitoring.E、Run ADDM in diagnostic mode.” 相关考题
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单选题n your production database you want to use an Automatic Storage Management （ASM） instance to manage the database files. Which option would you use to migrate the database files from a non-ASM instance to an ASM instance？（）A
Oracle Migration AssistantB
Recovery Manager （RMAN）C
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conventional Oracle Export and ImportE
operating system utilities to copy the files to the ASM instance
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单选题Your database instance is running. You are not able to access Oracle Enterprise Manager Database Control because the listener is not started. Which tool or utility would you use to start the listener？（）A
Oracle Net ManagerB
Listener Control utilityC
Database Configuration AssistantD
Oracle Net Configuration Assistant
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单选题Your database instance is running.You are not able to access Oracle Enterprise Manager Database Control because the listener is not started.Which tool or utility would you use to start the listener?（）A
Oracle Net ManagerB
Listener Control utilityC
Database Configuration AssistantD
Oracle Net Configuration Assistant
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单选题You work as a database administrator for Supportcenter.cn. Client connection requests are failing because the listener is not responding. You want to forward client connect requests to another listener if one listener is not responding. How do you achieve this？（）A
Enable instance failoverB
Configure shared serverC
Enable database failoverD
Enable connect-time failoverE
Enable Transparent Application Failover （TAF）
考题
单选题You work as a database administrator for Supportcenter.cn. In a production environment， users complain about the slow response time when accessing the database. You have not optimized the memory usage of the Oracle instance and you suspect the problem to be with the memory. To which type of object would you refer to determine the cause of the slow response？（）A
The trace fileB
The fixed viewsC
The data dictionary viewsD
The operating system log fieldsE
The dynamic performance views.
考题
单选题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In your production database you want to use an Automatic Storage Management （ASM） instance to manage the database files. Which option would you use to migrate the database files from a non-ASM instance to an ASM instance？（）A
Oracle Migration AssistantB
Recovery Manager （RMAN）C
Oracle Data Pump Export and ImportD
conventional Oracle Export and ImportE
operating system utilities to copy the files to the ASM instance
考题
单选题In your production database you want to use an Automatic Storage Management （ASM） instance to manage the database files. Which option would you use to migrate the database files from a non/x7fASM instance to an ASM instance？（）A
Oracle Migration AssistantB
Recovery Manager （RMAN）C
Oracle Data Pump Export and ImportD
conventional Oracle Export and ImportE
operating system utilities to copy the files to the ASM instance
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