单选题Which of the following is a valid way of putting a tablespace named DAVE_TBS into hot backup mode?（）A alter tablespace DAVE_TBS backup modeB alter tablespace DAVE_TBS start backup C alter tablespace DAVE_TBS begin backup D alter tablespace DAVE_TBS bac

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单选题

Which of the following is a valid way of putting a tablespace named DAVE_TBS into hot backup mode?（）

alter tablespace DAVE_TBS backup mode

alter tablespace DAVE_TBS start backup

alter tablespace DAVE_TBS begin backup

alter tablespace DAVE_TBS backup begin

alter tablespace DAVE_TBS backup

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第1题

单选题In which of the following scenarios is a tablespace recovery required？（）Awhen recovering a lost read-only tablespace from a read-only tablespace backupBwhen recovering a lost read-only tablespace from a read-write tablespace backup when the database is running in ARCHIVELOG modeCwhen 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 overwrittenDwhen 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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第2题

单选题You executed the following command to perform a backup of the USERS tablespace： SQL> ALTER TABLESPACE users BEGIN BACKUP； ALTER TABLESPACE users BEGIN BACKUP * ERROR at line 1： ORA-01123： cannot start online backup； media recovery not enabled What could be the reason for this error（）A The MTTR Advisor is disabled.B The database is in NOARCHIVELOG mode.C The tablespace is already in backup mode.D The Flash Recovery Area is not configured.

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第3题

单选题To accomplish user-managed backup for the USERS tablespace, you issued the following command to put the database in backup mode: SQL> ALTER TABLESPACE users BEGIN BACKUP; While copying the file to the backup destination a power outage caused the instance to terminate abnormally. Which statement is true about the next database startup and the USERS tablespace?（）A The database will open, and the tablespace automatically comes out of the backup mode.B The database will be mounted, and recovery must be performed on the USERS tablespace.C The database will be mounted, and data files in the USERS tablespace must be taken out of the backup mode.D The database will not be mounted, and you must restore all the data files for the USERS tablespace from the backup, and perform recovery.

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第4题

单选题There is a problem with one of the disks used for your database and your system administrator informs you that the disk needs to be replaced. The replacement disk will not be available until tomorrow. There was only one data file on this disk； it belongs to the USERS tablespace in your PROD database. Your PROD database runs in ARCHIVELOG mode and nightly online backups are taken. The users need to be able to access the data in the USERS tablespace before the replacement disk arrives. You have already taken the USERS tablespace offline and have restored the data file from last night’s backup to a new disk. Which additional steps are required in order to make the USERS tablespace available？（）A Only bring the tablespace back online.B Only recover the tablespace and then bring the tablespace back online.C Shut down the database， recover the data file and then start up the database.D Issue the ALTER DATABASE RENAME FILE command， recover the tablespace， and then bring the tablespace online.E Recover the tablespace， issue the ALTER DATABASE RENAME FILE command， and then bring the tablespace online.

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第5题

多选题You executed the following command in Recovery Manager （RMAN） to perform a backup of the DETTBS tablespace： RMAN> BACKUP TABLESPACE DETTBS; Under which conditions would this command execute successfully？（）AThe database is in NOMOUNT state.BThe database is in ARCHIVELOG mode and the tablespace is online.CThe database is in ARCHIVELOG mode and the tablespace is offline.DThe database is in NOARCHIVELOG mode and the tablespace is online.EThe database is in NOARCHIVELOG mode and the tablespace is offline.

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第6题

单选题You want to put a specific tablespace called MY_DATA in hot backup mode so you can back it up. What command would you use？（）Aalter tablespace MY_DATA begin backupBalter tablespace MY_DATA start backupCalter tablespace MY_DATA backup beginDalter MY_DATA begin backupEYou cannot back up individual tablespaces

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第7题

单选题Which of the following is a valid way of putting a tablespace named DAVE_TBS into hot backup mode？（）Aalter tablespace DAVE_TBS backup modeBalter tablespace DAVE_TBS start backupCalter tablespace DAVE_TBS begin backupDalter tablespace DAVE_TBS backup beginEalter tablespace DAVE_TBS backup

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单选题Which of the following is a valid way of putting a tablespace named DAVE_TBS into hot backup mode?（）A alter tablespace DAVE_TBS backup modeB alter tablespace DAVE_TBS start backup C alter tablespace DAVE_TBS begin backup D alter tablespace DAVE_TBS bac

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