You are designing an application for a telecom company and you have been asked to design a database table to facilitate monthly bill generation. The bill would include details of customer calls， listed in chronological order.  Which method would you follow to achieve this objective without increasing the overhead of sorting the rows？（）

You are managing an Oracle Database 11g database. You configured the database to run inARCHIVELOG mode.  Which two statements are true in this scenario（）

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You are managing an Oracle Database 11g database. You configured the database to run in ARCHIVELOGmode.  Which two statements are true in this scenario（）

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You are managing an Oracle Database 11g database. The database is open， and you plan to  performRecovery Manager （RMAN） backups.  Which three statements are true about these backups（）

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You are managing an Oracle Database 11g database. The database is open， and you plan to perform Recovery Manager （RMAN） backups.  Which three statements are true about these backups（）

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You are the Database Administrator （DBA） of your company. You execute the following statement on an Oracle 10g instance：   SQL> ALTER SYSTEM SWITCH LOGFILE；   Which two tasks are performed when the statement is executed？ （）

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You are implementing a very simple TCP/IP network. It rarely changes and you would like to use Oracle Connection Manager to filter client requests.  Which naming method can you use？（）

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You are managing an Oracle Database 11g database. You want to ensure the recovery of thedatabase to the point of failure.  Which configuration will you do to accomplish the task（）

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You are working on the Certkiller database.  What is the default name of the alert log file in this database？（）

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You are working on an Oracle Database 10g database. Because of data loss， you decided to perform a Flashback Database operation using the following command：  SQL> FLASHBACK DATABASE TO TIMESTAMP（SYSDATE ？5/24）； Which two statements are true？ （）

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You are performing backup and recovery operations by using RMAN. You are using a recovery catalog for the RMAN repository. You are planning to migrate to ASM disk storage to enable new disks to be added to the database without shutting down the database.   Which information is NOT required during the migration process？（）

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