多选题Which two statements are true about the RMAN validate database command?（）AIt checks the database for intrablock corruptions.BIt can detect corrupt pfiles.CIt can detect corrupt spfiles.DIt checks the database for interblock corruptions.EIt can detect c

第1题：

第2题：

Your database in running in the ARCHIVELOG mode. You issue the following command to back up datafile 2 in your database.   RMAN> COPY DATAFILE 2 TO ’D:///ORACLE/ORA90/MYNEWDB/DA2.DBF’；   Which two statements are true regarding the backup created using this command？（）

• A、 The copy of the datafile created is stored in the RMAN repository.
• B、 The copy of the datafile created can be viewed using the LIST BACKUP command.
• C、 The copy of the datafile created using this COPY command can be placed only on the disk.
• D、 The copy of the datafile created is similar to the backup of the file created using the BACKUP command.
• E、 The copy of the datafile created can be used for recovering the database using the user-managed recovery method.

第3题：

第4题：

Which statement is true regarding the VALIDATE DATABASE command?（）

• A、It checks the database for intrablock corruptions only.
• B、It checks for block corruption in the valid backups of the database.
• C、It checks the database for both intrablock and interblock corruptions.
• D、It checks for only those corrupted blocks that are associated with data files.

第5题：

You use a recovery catalog for maintaining your database backups.You execute the following command:$rman TARGET / CATALOG rman / cat@catdbRMAN > BACKUP VALIDATE DATABASE ARCHIVELOG ALL;Which two statements are true?（）

• A、Corrupted blocks, if any, are repaired.
• B、Checks are performed for physical corruptions.
• C、Checks are performed for logical corruptions.
• D、Checks are performed to confirm whether all database files exist in correct locations
• E、Backup sets containing both data files and archive logs are created.

第6题：

Which two statements are true about the RMAN validate database command?（）

• A、It checks the database for intrablock corruptions.
• B、It can detect corrupt pfiles.
• C、It can detect corrupt spfiles.
• D、It checks the database for interblock corruptions.
• E、It can detect corrupt block change tracking files.

第7题：

Which two statements are true about the Automatic Diagnostic Repository （ADR）？（） 

• A、 The ADR base keeps all diagnostic information in binary format
• B、 SQL*Plus provides the ADRI script， which can be used to work with ADR
• C、 The ADR can be used for problem diagnosis only when the database is open
• D、 The ADR can be disabled by settting the DIAGNOSTIC_DEST parameter to null
• E、 The ADR can be used for problem diagnosis even when the database instance is down
• F、 The ADR base is shared across multiple instances

第8题：

第9题：

Which two statements are true regarding hot patching？（）

• A、 It requires relinking of the Oracle binary.
• B、 It does not require database instance shutdown.
• C、 It can detect conflicts between two online patches.
• D、 It is available for installing all patches on all platforms. 
• E、 It works only in a single database instance environment.

第10题：

Which two statements are true about the Automatic Diagnostic Repository (ADR)?（） (Choose two.)

• A、The ADR base keeps all diagnostic information in binary format
• B、SQL*Plus provides the ADRI script, which can be used to work with ADR
• C、The ADR can be used for problem diagnosis only when the database is open
• D、The ADR can be disabled by settting the DIAGNOSTIC_DEST parameter to null
• E、The ADR can be used for problem diagnosis even when the database instance is down
• F、The ADR base is shared across multiple instances