Oracle认证考试
You decided to change the location of the flash recovery area. You executed the following command： ALTER SYSTEM SET DB_RECOVERY_FILE_DEST=’+disk1’ SCOPE=BOTH SID=’*’； Which statement is true？（）A、 The location can be changed only if the flash recovery
题目
You decided to change the location of the flash recovery area. You executed the following command： ALTER SYSTEM SET DB_RECOVERY_FILE_DEST=’+disk1’ SCOPE=BOTH SID=’*’； Which statement is true？（）
- A、 The location can be changed only if the flash recovery area is empty.
- B、 After executing the command， all new flash recovery area files will be created in the new location.
- C、 The command will generate an error because you cannot change the flash recovery area while the database is open.
- D、 All the existing files in the flash recovery area will be moved to the new location and all new Flash Recovery Area files will be created in the new location.
相似问题和答案
第1题：
You want to set the following initialization parameters for your database instance:LOG_ARCHIVE_DEST_1 = ‘LOCATION=/disk1/arch‘LOG_ARCHIVE_DEST_2 = ‘LOCATION=/disk2/arch‘LOG_ARCHIVE_DEST_3 = ‘LOACTION=/disk3/arch‘LOG_ARCHIVE_DEST_4 = ‘LOCATION=/disk4/arch MANDATORY‘Identify the statement that correctly describes this setting.（）
A. The MANDATORY location must be a flash recovery area.
B. The optional destinations may not use the flash recovery area.
C. This setting is not allowed because the first destination is not set as MANDATORY.
D. The online redo log file is not allowed to be overwritten if the archived log cannot be created in the fourth destination.
第2题：
You decided to change the location of the flash recovery area. You executed the following command： Which statement is true？（）
- A、The location can be changed only if the flash recovery area is empty.
- B、After executing the command， all new flash recovery area files will be created in the new location.
- C、The command will generate an error because you cannot change the flash recovery area while the database is open.
- D、All the existing files in the flash recovery area will be moved to the new location， and all new Flash Recovery Area files will be created in the new location.
正确答案:B
第3题：
A. Setting the FAST_START_MTTR_TARGET to set the mean time to recover
B. Setting the RECOVERY_PARALLELISM parameter to twice the number of CPUs
C. Using the DB_RECOVERY_FILE_DEST parameter to set the location for flash recovery area
D. Using the DB_RECOVERY_FILE_DEST_SIZE parameter to define the disk space limit for the recovery files created in the flash recovery area
第4题：
You have joined a new organization as a Database Administrator. The Security Administrator in your organization has kept human errors， such as erroneously dropping users， tables， and important data， to a minimum by carefully granting only the necessary privileges to each user. As a result of several ongoing transactions within your database， you discover that the flashback logs are rapidly increasing in the flash recovery area. To avoid out-of-space errors， you decide to delete the flashback logs from the flash recovery area. How can you delete the flashback logs from the database if your database is up and running？（）
- A、 Shut down the database using the SHUTDOWN command. Mount the database using the STARTUP MOUNT EXCLUSIVE command and disable Flashback Database using the ALTER DATABASE FLASHBACK OFF statement.
- B、 Change the parameter setting in the SPFILE for the DB_RECOVERY_FILE_DEST parameter using the ALTER SYSTEM SET DB_RECOVERY_FILE_DEST=’’ SCOPE=BOTH statement while the database is up and running.
- C、 Shut down the database using the SHUTDOWN command. Mount the database using the STARTUP MOUNT EXCLUSIVE command. Change the parameter setting in the SPFILE for the DB_RECOVERY_FILE_DEST parameter using the ALTER SYSTEM SET DB_RECOVERY_FILE_DEST=’’ SCOPE=BOTH statement. Disable Flashback Database using the ALTER DATABASE FLASHBACK OFF statement.
- D、 Change the parameter setting in the SPFILE for the DB_RECOVERY_FILE_DEST parameter using the ALTER SYSTEM SET DB_RECOVERY_FILE_DEST=’’ SCOPE=BOTH statement. Shut down the database using the SHUTDOWN command. Mount the database using the STARTUP MOUNT EXCLUSIVE command and disable Flashback Database using the ALTER DATABASE FLASHBACK OFF statement.
正确答案:A
第5题：
The database is running in ARCHIVELOG mode. Examine the initialization parameters and theirvalues set to enable archiving on your database server： LOG_ARCHIVE_FORMAT = arch_%t_%s_%r.arc LOG_ARCHIVE_DEST_1 = ’LOCATION = /disk1/archive’ DB_RECOVERY_FILE_DEST = ’/u01/oradata’ DB_RECOVERY_FILE_DEST_SIZE = 20G Which statement is true regarding the archived redo log files（）
- A、It will be created on the local file system.
- B、It will be created only in the Flash Recovery Area.
- C、It will be created in the location specified by the LOG_ARCHIVE_DEST_1 parameter and the defaultlocation $ORACLE_HOME/dbs.
- D、It will be created in the location specified by the LOG_ARCHIVE_DEST_1 parameter and locationspecified by the DB_RECOVERY_FILE_DEST parameter.
正确答案:A
第6题：
You enabled the flashback logging feature， but you have not specified the location of the flash recovery area. Which location would be used as the default location for the flash recovery area？（）
- A、the location used for control files
- B、the location used for redo log files
- C、the location set by using $ORACLE_BASE
- D、the location set by using $ORACLE_HOME
- E、the location set by using CORE_DUMP_DEST
- F、the location set by using BACKGROUND_DUMP_DEST
正确答案:C
第7题：
You are using the flash recovery area (fast recovery area in 11g Release 2) to store backup related files in your database. After regular monitoring of space usage in the Mash recovery area. You realize that the flash recovery area is jetting filled up very fast and it is running out of space. Your database flash recovery area is low on space and you have no more room on disk. Proactively, which two options could you use to make more space available in the flash recovery？（）
- A、Change the RMAN archived log deletion policy
- B、Use the RMAN CROSSCHECK command to reclaim the archived log space
- C、Change the RMAN retention policy to retain backups for a shorter period of time
- D、Use OS command to move files from the flash recovery area to some other location
正确答案:B,D
第8题：
A. The MANDATORY location must be a flash recovery area.
B. The optional destinations may not use the flash recovery area.
C. This setting is not allowed because the first destination is not set as MANDATORY.
D. The online redo log file is not allowed to be overwritten if the archived log cannot be created in the fourth destination.
第9题：
You executed the following command in Recovery Manager （RMAN）： RMAN> RESTORE CONTROLFILE； Which operation must you perform before this command is executed？（）
- A、back up the control file to trace
- B、bring database to the MOUNT state
- C、open a connection to the RMAN recovery catalog， which contains the RMAN metadata for the target database
- D、set the database ID （DBID）， but only if the DB_NAME parameter associated with the target database is unique in the recovery catalog
正确答案:C
第10题：
You database is running an ARCHIVELOG mode. The following parameter are set in your database instance: LOG_ARCHIVE_FORMAT = arch+%t_%r.arc LOG_ARCHIVE_DEST_1 = ‘LOCATION = /disk1/archive’ DB_RECOVERY_FILE_DEST_SIZE = 50G DB_RECOVERY_FILE = ‘/u01/oradata’ Which statement is true about the archived redo log files?（）
- A、They are created only in the location specified by the LOG_ARCHIVE_DEST_1 parameter.
- B、They are created only in the Fast Recovery Area.
- C、They are created in the location specified by the LOG_ARCHIVE_DEST_1 parameter and in the default location $ORACLE_HOME/dbs/arch.
- D、They are created in the location specified by the LOG_ARCHIVE_DEST_1 parameter and the location specified by the DB_RECOVERY_FILE_DEST parameter.
正确答案:B