You have specified the warning and critical threshold values of an application tablespace to be 60% and 70% respectively. From the tablespace space usage metrics， you find that the actual space usage has reached the specified warning threshold value， but no alerts have been generated. What could be the reason for this？（）

Which two roles or privileges must you have to export tables owned by another user？（）

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You have configured Automatic Shared Memory Management. Which four memory structures would be automatically tuned？ （）

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You have 100 segments in the USERS tablespace. You realize that the USERS tablespace is running low on space. You can use Segment Advisor to（）.

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You have lost datafile 4 from your database. Which is typically the fastest way to restore your database? （）

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You are maintaining an OLTP database in Oracle10g. You have configured the Flash Recovery Area in your database. The Flash Recovery Area is full because you have set the retention policy to NONE. What will you do to resolve the problem？（）

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You have lost datafile 4 from your database. Which is typically the fastest way to restore your database？（）  

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You specified segment space management as automatic for a tablespace. What effect would this have on space management？（）

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As soon as you discover that you have lost an online redo log， if the database is still functioning， what should be your first action？（）  

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You are using RMAN to backup your ARCHIVELOG mode database. You have enabled control-file autobackups. Which files are not backed up during the RMAN backup?（）

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You are using RMAN to backup your ARCHIVELOG mode database. You have enabled control-file autobackups. Which files are not backed up during the RMAN backup？（）  

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