When you read the sailing directions, you should notice that this is one of a series of publications produced by the（）which should be consulted by users of Admiralty Charts...

第1题

[] You enable block change tracking. You issue the following command: BACKUP INCREMENTAL LEVEL 0 DATABASE; The next day, you issue the following command: BACKUP INCREMENTAL LEVEL 1 CUMULATIVE DATABASE; Which statement about the use of the change tracking file is true?（） You enable block change tracking. You issue the following command: BACKUP INCREMENTAL LEVEL 0 DATABASE; The next day, you issue the following command: BACKUP INCREMENTAL LEVEL 1 CUMULATIVE DATABASE; Which statement about the use of the change tracking file is true?（）

A、A. RMAN reads the block change tracking file only when it performs the incremental level 0 backup. B、B. RMAN reads the block change tracking file when it performs both incremental backups. C、C. RMAN reads the block change tracking file only when it performs the incremental level 1 backup. D、D. RMAN does not read the block change tracking file when it performs either incremental backup.

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第2题

[] You enable block change tracking. You issue the following command: BACKUP INCREMENTAL LEVEL 0 DATABASE; The next day, you issue the following command: BACKUP INCREMENTAL LEVEL 1 CUMULATIVE DATABASE; Which statement about the use of the change tracking file is true?（） You enable block change tracking. You issue the following command: BACKUP INCREMENTAL LEVEL 0 DATABASE; The next day, you issue the following command: BACKUP INCREMENTAL LEVEL 1 CUMULATIVE DATABASE; Which statement about the use of the change tracking file is true?（）

A、A. RMAN reads the block change tracking file only when it performs the incremental level 0 backup. B、B. RMAN reads the block change tracking file when it performs both incremental backups. C、C. RMAN reads the block change tracking file only when it performs the incremental level 1 backup. D、D. RMAN does not read the block change tracking file when it performs either incremental backup.

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第3题

[单选题] You are managing the Oracle database. Which of the following choices correctly identifies when Oracle reads the contents of the init.ora file?（）

A、When the instance is started B、When the database is mounted C、When the database is opened D、When the database is closed

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第4题

[判断题] To understand a word, you have to read all the letters in it; to understand a sentence you have to read all the words in it.（）

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第5题

[多选题] In which two situations should you run the command sync group?（） (Choose two.)

A、when you enable Unified Failover B、when you create an ActiveN group C、when you synchronize the sticky table D、when you require synchronization of the 3G Cache objects

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第6题

[单选题] You lost the PRODSTD tablespace， which was read/write. The tablespace was read-only when the last backup was performed. How would you recover the tablespace？（）

A、 restore the tablespace from the backup； there is no need to apply the redo information B、 restore the full database to recover the data up to the point when you performed the backup C、 restore the tablespace from the backup and then perform a recovery using the backup control file D、 restore the tablespace from the backup and then recover the tablespace； all the redo information from the point when the tablespace was made read/write is applied

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第7题

[单选题] You lost the PRODSTD tablespace， which was read/write. The tablespace was read/x7fonly when the last backup was performed. How would you recover the tablespace？（）

A、restore the tablespace from the backup; there is no need to apply the redo information B、restore the full database to recover the data up to the point when you performed the backup C、restore the tablespace from the backup， and then perform a recovery using the backup control file D、restore the tablespace from the backup， and then recover the tablespace; all the redo information from the point when the tablespace was made read/write is applied

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第8题

[单选题] You enable block change tracking. You issue the following command： BACKUP INCREMENTAL LEVEL 0 DATABASE； The next day，you issue the following command： BACKUP INCREMENTAL LEVEL 1 CUMULATIVE DATABASE； Which statement about the use of the change tracking file is true？（）

A、 RMAN reads the block change tracking file only when it performs the incremental level 0 backup. B、 RMAN reads the block change tracking file when it performs both incremental backups. C、 RMAN reads the block change tracking file only when it performs the incremental level 1 backup. D、 RMAN does not read the block change tracking file when it performs either incremental backup.

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第9题

[单选题] In which of the following scenarios is a tablespace recovery required？（）

A、 when recovering a lost read-only tablespace from a read-only tablespace backup B、 when recovering a lost read-only tablespace from a read-write tablespace backup when the database is running in ARCHIVELOG mode C、 when recovering a lost read-only tablespace from a read-write tablespace backup when the database is running in NOARCHIVELOG mode and the changes in the online redo log files have been overwritten D、 when recovering a lost read-only tablespace from a read-only tablespace backup using the backup of the control file， the control file was created using the ALTER DATABASE BACKUP CONTROLFILE TO TRACE statement， and this statement was issued when the tablespace was read-only

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When you read the sailing directions, you should notice that this is one of a series of publications produced by the（）which should be consulted by users of Admiralty Charts.

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