单选题The database is configured for automatic archive logging. Along with the other required parameters, this entry is in the initialization file:log_archive_dest2="SERVICE=standby_db1 MANDATORY REOPEN=600" From where does the database resolve standby_db1?()Acontrol fileBtnsnames.oraCdata dictionaryDinitialization parameter file

单选题
The database is configured for automatic archive logging. Along with the other required parameters, this entry is in the initialization file:log_archive_dest2="SERVICE=standby_db1 MANDATORY REOPEN=600" From where does the database resolve standby_db1?()
A

control file

B

tnsnames.ora

C

data dictionary

D

initialization parameter file


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单选题You have configured flash recovery area in your database and you set the following Initialization parameters for your database instance:   LOG_ARCHIVE_DEST 1 = ,,LOCATION=/disk1/arch MANDATORY’  LOG _ARCHIEVE_DEST 2 = ,,LOCATION=/disk2/arch’ LOG_ARCHIVK_DEST_3 = ,,LOCATION=/diSk3/arch  LOG_ARCH1VK_DEST_4 = ’ LOCATION=/disk4/arch’  LOG_ARCHIVE_MIN-SUCCEED_DEST = 2   While the database instance is functional,you realized that the destination set by the  LOG_ARCHIVE_DEST_I parameter Is not available for the archived redo log file to be created in. All redo log groups have been used.  What happens in an event of log switch?()A The online redo log file Is not allowed to be overwritten.B The archived redo log files are written to the flash recovery area until the MANDATORY destination is made available.C The database instance will crash because the archived redo log file cannot be created in a destination set as MANDATORY.D The destination set by the LOG_ARCHIVE_DEST_1 parameter is ignored and the archived redo log files are created in the next two available locations to guarantee archive log success.

多选题Which two files in the database can be configured for automatic backups by using the autobackup feature inRecovery Manager (RMAN)()AData filesBControl filesCParameter fileDOnline redo log filesEServer parameter file

单选题You are working on the APPDB database as a DB A. The database has a default Flashback Data Archive DFLA1 created on it. You issued the following command to drop the Flashback Archive FLA1:   DROP FLASHBACK ARCHIVE fla1;   What is the effect of this command?()A The Flashback Archive FLA1 is dropped only if it is empty.B The tablespace having Flashback Archive is dropped.C The Flashback Archive FLA1 is dropped after moving the existing data in it to the default Flashback Archive.D The Flashback Data Archive and historical data are dropped.

单选题You work as a database administrator for Supportcenter.cn. Your database is configured for automatic undo management. UNDO_RETENTION is set to 3 hours. You want to flash back a table that was created last year. How far back can the flashback query go?()A3 hoursB6 monthsCuntil last yearDuntil last commitEuntil the point when the undotablespacewas refreshedFuntil the database is shut down and the memory erased

单选题You need to maintain a record of all transactions on some tables for at least three years. Automatic undo management is enabled for the database. What must you do accomplish this task?()AEnable supplemental logging for the database.BSpecify undo retention guarantee for the databaseCCreate Flashback Data Archive in the tablespace where the tables are stored.DCreate Flashback Data Archive and enable Flashback Data Archive for specific tables

单选题You configured the Flash Recovery Area for your database. The database instance has been startedin ARCHIVELOG mode and the LOG_ARCHIVE_DEST_1 parameter is not set.  What will be the implications on the archiving and the location of archive redo log files()AArchiving will be disabled because the destination for the redo log files is missing.BThe database instance will shut down and the error details will be logged in the alert log file.CArchiving will be enabled and the destination for the archived redo log file will be set to the FlashRecovery Area implicitly.DArchiving will be enabled and the location for the archive redo log file will be created in the defaultlocation $ORACLE_HOME/log.

单选题Which initialization parameter must you set to enable automatic archiving? ()ALOG_ARCHIVE_DESTBLOG_ARCHIVE_STARTCLOG_ARCHIVE_FORMATDLOG_ARCHIVE_MAX_PROCESSES

多选题Which two files in the database can be configured for automatic backups by using the autobackupfeature in Recovery Manager (RMAN)()Adata filesBcontrol filesCparameter fileDonline redo log filesEserver parameter file