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多选题
Your production database is running in the ARCHIVELOG mode and the ARCn process is functional. You have two online redo log groups. Which three background processes would be involved when a log switch happens？ （）
A
archival
B
log writer
C
database writer
D
system monitor
E
process monitor
F
change tracking writer
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单选题Your database is running in ARCHIVELOG mode,and the database is open. You execute an RMAN backup and specify the KEEP clause.Which components are backed up when this option is specified?（）A
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多选题Which two statements are true regarding the database in ARCHIVELOG mode？（）AYou have to shut down the database to perform the backups.BArchiving information is written to the data files and redo log files.CYou can perform complete database backups without closing the database.DOnline redo log files have to be multiplexed before putting the database in ARCHIVELOG mode.EAll the previous database backups become invalid after you configure the database to ARCHIVELOG mode.
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单选题You execute this command in MOUNT mode： ALTER DATABASE ARCHIVELOG； Where is the information that the database is now in ARCHIVELOG mode stored？（）A
SPFILEB
archive logC
control fileD
system tablespace
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多选题You work as a database administrator for Certkiller .com. Your database is opened in NOARCHIVEKLOG mode. You decide to place the database in ARCHIVELOG mode. How would you do this？（）AExecute the ALTER DATABASE ARCHIVELOG statementBSelect ARCHIVELOG option in the database control and restart the database to apply the changes.CShut down and start the instance, and in the NOMOUNT state execute the ALTER DATABASE ARCHIVELOG statement.DShut down and start the instance, mount the database, then execute the ALTER DATABASE ARCHIVELOG statement.
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单选题Your multitenant container database (CDB) is running in ARCHIVELOG mode. You connect to the CDB RMAN. Examine the following command and its output: You execute the following command: RMAN BACKUP DATABASE PLUS ARCHIVELOG; Which data files will be backed up?（）A
Data files that belong to only the root containerB
Data files that belong to the root container and all the pluggable databases (PDBs)C
Data files that belong to only the root container and PDB$SEEDD
Data files that belong to the root container and all the PDBs excluding PDB$SEED
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多选题You are managing an Oracle Database 11g database. The database is open， and you plan to perform Recovery Manager （RMAN） backups. Which three statements are true about these backups（）AThe backups would be consistent.BThe backups would be inconsistent.CThe backups would be possible only if the database is running in ARCHIVELOG mode.DThe backups would be possible only if the database is running in NOARCHIVELOG mode.EThe backups need to be restored and the database has to be recovered in case of a media failure
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单选题Your database is running in ARCHIVELOG mode， and the database is open. You execute an RMAN backup and specify the KEEP clause. Which components are backed up when this option is specified？（）A
only the control file， the current SPFILE， and data filesB
only the current SPFILE and data files if autobackup is disabledC
only the data files and the archived redo logsD
the control file，current SPFILE file，data files，and archived redo logs
考题
单选题Which is the correct command to put the database in ARCHIVELOG mode？（）A
alter database archivelogB
alter system enable archivelog modeC
alter database enable archiveD
alter database archivelog enableE
None of the above
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多选题Which options would you consider while configuring a flash recovery area (fast recovery area in 11g Release 2) for your production database that is running in ARCHIVELOG mode?（）ASetting the FAST_START_MTTR_TARGET to set the mean time to recoverBSetting the RECOVERY_PARALLELISM parameter to twice the number of CPUsCUsing the DB_RECOVERY_FILE_DEST parameter to set the location for flash recovery areaDUsing the DB_RECOVERY_FILE_DEST_SIZE parameter to define the disk space limit for the recovery files created in the flash recovery area
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