You have three databases， FINDB， PAYDB and ADMINDB， located in Sydney， Tokyo and Singapore respectively. You want to perform administrative tasks which include starting up and shutting down the databases， creating and managing tablespaces and database users， and taking regular backups， for all of the three databases from London. Which component must be enabled and running on each host machine to achieve your objective？（）

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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