單項(xiàng)選擇題

The warning and critical threshold values have been set to 85% and 97%， respectively， for one of the tablespaces. The current tablespace space usage is 54%. You modify the warning threshold to be 50% and critical threshold to be 53% in Database Control. Which statement is true？（）

A.The new setting would be applied but no alerts would be raised immediately.
B.The new setting would be applied and an alert would be raised immediately.
C.The new setting would be ignored because the tablespace space usage is more than the specified threshold value.
D.The new setting would cause an error because the tablespace space usage is more than the specified threshold value.

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多項(xiàng)選擇題

In the parameter file of your production database， the FAST_START_MTTR_TARGET parameter is set to 300 to optimize instance recovery. While observing the performance of the database during instance recovery， you find that the redo log files are not sized properly to support this activity. Which two sources could you use to determine the optimal size of the redo log files？（）

A.the V$LOG view
B.the V$DBFILE view
C.the V$LOGFILE view
D.the V$INSTANCE_RECOVERY view
E.Oracle Enterprise Manager Database Control

多項(xiàng)選擇題

Your production database is running in the ARCHIVELOG mode and the ARCn process is functional. You have two online redo log groups. Which three background processes would be involved when a log switch happens？（）

A.archival
B.log writer
C.database writer
D.system monitor
E.process monitor
F.change tracking writer

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The warning and critical threshold values have been set to 85% and 97%， respectively， for one of the tablespaces. The current tablespace space usage is 54%. You modify the warning threshold to be 50% and critical threshold to be 53% in Database Control. Which statement is true？（）

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Your production database is running in the ARCHIVELOG mode and the ARCn process is functional. You have two online redo log groups. Which three background processes would be involved when a log switch happens？ （）

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The warning and critical threshold values have been set to 85% and 97%， respectively， for one of the tablespaces. The current tablespace space usage is 54%. You modify the warning threshold to be 50% and critical threshold to be 53% in Database Control. Which statement is true？（）

Your production database is running in the ARCHIVELOG mode and the ARCn process is functional. You have two online redo log groups. Which three background processes would be involved when a log switch happens？（）