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多选题
Which two file types must be included in a closed database backup taken with operating system commands？（）
A
data files
B
control file
C
password file
D
online redo log files
E
initialization parameter file
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单选题In order to enable remote administration of users and tablespaces on an Oracle database, which of the following types of files must exist in the database?（）A
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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
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单选题The database is being restored from a closed backup. The data files， control files， password file， and parameter file are available， but the online redo logs are not. Because the online redo logs are not available， you must simulate recovery and alter the database open with the reset logs option so the online redo logs are created while the database opens. Which type of recover is used in this situation？（）A
until SCNB
until timeC
until cancelD
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单选题In your multitenant container database (CDB) with two pluggable database (PDBs). You want to create a new PDB by using SQL Developer. Which statement is true?（）A
The CDB must be open.B
The CDB must be in the mount stage.C
The CDB must be in the nomount stage.D
Alt existing PDBs must be closed.
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多选题You need to perform a block media recovery on the tools01.dbf data file in the SALES database by using Recovery Manager (RMAN).Which two are the prerequisites to perform this operation？（）AYou must configure block change tracking fileBYou must have first level 1 backups for RMAN to restore blocksCYou must ensure that the SALES database is mounted or openDYou must have full or level 0 backups for RMAN to restore blocksEYou must take the tools01.dbf data file offline before you start a block media recovery
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多选题To enable faster incremental backups, you enabled block change tracking for the database.Which two statements are true about the block change tracking file? （）(Choose two.)AMultiple change tracking files can be created for a database.BThe change tracking file must be created after the first level 0 backup.CRMAN does not support backup and recovery of the change tracking file.DThe database clears the change tracking file and starts tracking changes again, after whole database restore and recovery operations.
考题
单选题Which statement is true regarding remote archive log file destinations？（）A
Only two destinations per remote database can be specified.B
Destination is an Oracle Net alias specified by using the SERVICE keyword.C
The REOPEN attribute must be used when using remote archive log file destinations.D
The service name is resolved by searching sqlnet.ora file for the remote database name.
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