被称为一国行政系统的“生长气候”的是（)A．国内社会环境B．国内自然环境C．国际社会环境D．国际自然

A. You must configure block change tracking file

B. You must have first level 1 backups for RMAN to restore blocks

C. You must ensure that the SALES database is mounted or open

D. You must have full or level 0 backups for RMAN to restore blocks

E. You must take the tools01.dbf data file offline before you start a block media recovery

A. Configuration register

B. NVRAM

C. Boot flash

D. CMOS

E. Flash

In Recovery Manager (RMAN), you are taking image copies of the data files of your production database and rolling them forward at regular intervals. You attempt to restart your database. After a regular maintenance task, you realize that one of the data files that belongs to the USERS tablespace is damaged and you need to recover the data file by using the image copy. Because a media failure caused the data file to be damaged, you want to place the d ata file in a different location while restoring the file.Which option must you consider for this task？（）

A. using only the RMAN SWITCH command to set the new location for the data file

B. placing the database in the MOUNT state for the restore and recovery operations.

C. using an RMAN RUN block with the SET NEWNAME and then the SWITCH command.

D. configuring two channels: one for the restore operation and the other for the recovery operation

You are using Recovery Manager (RMAN) for backup and recovery operations with a recovery catalog. You have been taken database backups every evening. On November 15, 2007, at 11:30 AM, you were informed that the USER_DATA tablespace was accidentally dropped.On investigation, you found that the tablespace existed until 11:00 AM, and important transactions were done after that. So you decided to perform incomplete recovery until 11:00 AM. All the archive logs needed to perform recovery are intact. In NOMOUNT state you restored the control file that has information about the USER_DATA tablespace from the latest backup. Then you mounted the database. Identify the next set of commands that are required to accomplish the task？ （）

A. A

B. B

C. C

D. D

To protect data, you need to implement a data () and recovery plan.

A、modify

B、backup

C、delete

D、All above

log on to a Windows Server 2003 computer that containsa critical application.You discover that the organizational unit (OU) in which the server is located wasdeleted. You discover that the user rights for this server are controlled by GroupPolicy.You need to restore access to the server. You need to achieve this goal by using theminimum amount of administrative effort.What should you do？（）

A. Perform a normal restoration of the System State data for the domain controller. Force replication.

B. Perform an authoritative restoration of the System State data for the domain controller. Mark the OU for replication.

C. Re-create the OU that was deleted. Reapply Group Policy, and then add the computer account and any necessary users or groups.

D. Perform an Automated System Recovery (ASR) restoration on the domain controller.

er each.One of the redo log groups has become corrupted. You have issued the following command during the recovery of a damaged redo log file:ALTER DATABASE CLEAR UNARCHIVED LOGFILE GROUP 3;Which action should you perform immediately after using this command？（）

A. You should perform a log switch

B. You should make a backup of the database

C. You should switch the database to the NONARCHIVELOG mode

D. You should shut down the database instance and perform a complete database recovery

A. The Oracle database will perform block checking for the index blocks only

B. The Oracle database will not perform block checking for any of the data blocks

C. The Oracle database will perform block checking for the default permanent tablespace only

D. The Oracle database will perform block checking for the data blocks in all user tablespaces

E. The Oracle database will perform block checking for the data blocks in the SYSTEM tablespace only