单项选择题How is block-change tracking enabled?()

A.With alter database enable block change tracking
B.With alter system enable block change tracking 
C.With an init.ora parameter change 
D.With an spfile parameter change 


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1.单项选择题You have lost datafile 4 from your database. Which is typically the fastest way to restore your database? ()

A.Restore and recover the datafile. 
B.Restore and recover the tablespace. 
C.Restore and recover the database. 
D.Restore and recover the control file. 
E.Restore and recover the parameter file.

2.单项选择题What does the SCN represent?()

A.The system change number, which is a point in time relative to transactions within a given database. 
B.A number that represents time. Thus, at 1300 hours, the SCN is the same on all databases. 
C.The security change number, which represents the security code that is needed to access any database structure.
D.A conversion factor that converts internal database time to external clock time. 
E.UTC time in the database, providing a standardized way of tracking time in Oracle. 

3.单项选择题What is the proper procedure to recover a lost tempfile?()

A.Restore the backup copy of the tempfile from the backup media. 
B.Re-create the tempfile with the create tempfile command. 
C.Copy an existing tempfile from another database. 
D.Re-create the tempfile with the create tablespace command. 
E.Re-create the tempfile with the alter tablespace command.

5.单项选择题Your archive-log destination directory runs out of space. What is the impact of this on the database?()

A.None. The database will switch over to the stand-by archive-log destination directory. 
B.A warning message will be written to the alert log of the database, but no adverse impacts to the database will be experienced. 
C.The database will shut down, and will not restart until you correct the out-of-space situation. 
D.The database will continue to try to write to the archive-log destination directory for one hour. After one hour, the database will shut down normally. 
E.Once Oracle has cycled through all online redo logs, it will stop processing any DML or DDL until the out-of-space condition is corrected.

6.单项选择题What is the proper command to shut down the database in a consistent manner?()

A.shutdown abort 
B.shutdown kill 
C.Shutdown nowait 
D.shutdown immediate
E.shutdown halt

7.单项选择题Which view provides information on the backup status of the datafiles in the database?()

A.V$BACKUP
B.V$BACKUP_STATUS 
C.V$BACKUP_DATAFILE 
D.V$DATAFILE_BACKUP 
E.V$TABLESPCE_BACKUP

8.单项选择题Which of the following parameters defines the location where Oracle should create archived redo logs?()

A.LOG_ARCHIVE_1 
B.LOG_DESTINATION_1 
C.LOG_ARCHIVED_DESTINATION_1
D.LOG_ARCHIVE_DEST_1
E.LOG_ARCHIVE_SOURCE_1

9.单项选择题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 mode
B.alter tablespace DAVE_TBS start backup 
C.alter tablespace DAVE_TBS begin backup 
D.alter tablespace DAVE_TBS backup begin 
E.alter tablespace DAVE_TBS backup

10.单项选择题Which command will result in a trace file being created with the create controlfile command contained in it?()

A.alter database backup controlfile
B.alter database backup controlfile to trace
C.alter database controlfile backup
D.alter database controlfile backup to ’/ora01/oracle/ctrl_backup.ctl’
E.alter database begin controlfile backup

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After you have restored and recovered a database to a new host by using a previously performed Recovery Manager (RMAN) backup, which is the best option you would consider for the new database?()

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You are working in an online transaction processing (OLTP) environment. You use the FLASHBACKTABLE command to flash back the CUSTOMERS table. Before executing the FLASHBACK TABLE command, the system change number (SCN) was 663571. After flashing back the CUSTOMERS table, you realize that the table is not in the correct state. Now, you need to reverse the effects of the FLASHBACK TABLE command.Which is the fastest and the most efficient option to reverse the effects of the FLASHBACK TABLE command?()

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Which two statements are true about the Automatic Diagnostic Repository (ADR)?()

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While Monitoring the space usage in your database that is in ARCHIVELOG mode you observed that the flash recovery area does not have enough free space to accommodate any more files and you do not have necessary permissions to add more space to it.Identify the two events that can occur in the event of a log switch?()

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Which two operations are NOT performed by the DUPLICATE command in Recovery Manager (RMAN)while duplicating a running database?()

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