You have the following online redo log configuration：    Group       Member   1     ’/disk1/oradata/redo01a.log’   2     ’/disk2/oradata/redo02a.log’   3     ’/disk3/oradata/redo03a.log’   You decide to multiplex the online redo log groups for recovery of redo log files in case of any disaster. Which two statements will you NOT issue to multiplex the online redo log files？（）

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 （）

单选题查看答案

Exhibit： View the Exhibit.You have more than one table in the recycle bin having the same original name， DEPT2. You do not have any table with the nameDEPT2 in your schema. You executed the following command：PURGE TABLE dept2； Which statement is correct in this scenario？（）

单选题查看答案

You are maintaining the SALES database. You have added a new disk to a disk group. Automatic Storage Management performs the rebalancing activity. You want to speed up the rebalancing activity.  Which parameter should you specify to control the speed of the rebalancing activity？（）

单选题查看答案

You want to drop the TBS1 tablespace from your database.  You also want to delete the corresponding data files automatically， and not have to do it manually.  What should you do？（）

单选题查看答案

Your database is in ARCHIVELOG mode. You have two online redo log groups，each of which contains one redo member.  When you attempt to start the database， you receive the following errors：（）

单选题查看答案

Your database has a backup that was taken yesterday （Tuesday） between 13：00 and 15：00 hours. This is the only backup you have. You have lost all the archived redo logs generatedsince the previous Monday， but you have archived redo logs available from the previous Sunday and earlier. You now need to restore your backup due to database loss.  To which point can you restore your database？（）  

单选题查看答案

You are an Oracle DBA responsible for an ASM instance. The disk controller on your system fails. You suspect that the disk itself is okay. You know it will take 24 hours to replace the controller and you don’t want to have to rebuild the disks from scratch.  What do you do？（）  

单选题查看答案

You have lost all your RMAN backup set pieces due to a disk failure. Unfortunately， you have an automated cross-check script that also does a delete expired backupset command. You have restored all the backup set pieces from tape.  What command would you use to get those backup set pieces registered in the recovery catalog and the control file of the database again？（）  

单选题查看答案

You have a production instance running on your server. UNDO_RETENTION is not long enough to satisfy read-consistency requirements. How do you change the UNDO_RETENTION value？（）

单选题查看答案

You have enabled backup optimization in RMAN. You issue the following RMAN command to configure a redundancy-based retention policy：   CONFIGURE RETENTION POLICY TO REDUNDANCY 3；   Which statement is true？（）  

单选题查看答案