單項選擇題

Your boss at Supportcenter.cn wants you to clarify Oracle 10g. Which statement regarding the usage of redo log files during instance recovery is true？（）

A.Transactions are rolled back using redo log files.
B.Transactions are rolled forward using redo log files.
C.Transactions are rolled back using redo log files and archived log files.
D.Transactions are rolled forward using redo log files and rolled back using redo log files.

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多項選擇題

You work as a database administrator for Supportcenter.cn. You are using Recovery Manager （RMAN） to perform backups in your databases. Which four backup operations can be performed using RMAN？（）

A.A backup of the target database when it is mounted
B.A backup of online redo log files when the database is open
C.A backup of only used data blocks in the file beingbeingbackup up
D.A backup of online， read/write data files when the database is open
E.A backup of only those data blocks that have changed since a previous backup
F.A backup of online， read/write data files when the database is in the NOMOUNT state.

多項選擇題

You work as a database administrator for Supportcenter.cn. You want to administer your database servers， which are running on different host machines， using the Web-enabled grid control interface. You have configured the agent on the host machines. You have started the Oracle Database 10g Grid Control utility on your machine. Which two additional components would you configure to achieve this objective？（）

A.Application Server Control
B.Oracle Management Service
C.Oracle Enterprise Manager Repository
D.Oracle Enterprise Manager Database Control

Your boss at Supportcenter.cn wants you to clarify Oracle 10g. Which statement regarding the usage of redo log files during instance recovery is true？ （）

你可能感興趣的試題

You work as a database administrator for Supportcenter.cn. You are using Recovery Manager （RMAN） to perform backups in your databases. Which four backup operations can be performed using RMAN？（）

Your boss at Supportcenter.cn wants you to clarify Oracle 10g. Which statement regarding the usage of redo log files during instance recovery is true？（）