A.Recover from failures in the RAC environment.
B.Diagnose and repair a data file corruption online.
C.Diagnose and repair a data file corruption offline.
D.Diagnose and repair failures on a standby database
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A.failure when no standby database is configured
B.failure because a data file is renamed accidentally
C.failure that requires no archive logs to be applied for recovery
D.failure due to loss of connectivity-for example， an unplugged disk cable
You are managing an Oracle Database 11g database running in ARCHIVELOG mode. The FlashRecovery Area is specified as the destination for the archived redo log files. You notice this warning in thealert log file：
ORA-19815： WARNING： db_recovery_file_dest_size of 3221225472 bytes is 100.00% used， and has 0remaining bytes available.
What would you do to reclaim the used space in the Flash Recovery Area（）
A.Back up the Flash Recovery Area.
B.Decrease the retention time for the database backup and flashback log files.
C.Manually delete all the archived log files from the Flash Recovery Area by using operating system （OS）commands.
D.Manually delete all the expired backup sets from the Flash Recovery Area by using operating system（OS） commands.
View the Exhibit to examine the output for the CROSSCHECK BACKUP command.
Which statement is true about the output of the command（）
A.The backup piece is expired as the new backup is available.
B.The backup piece is expired because the operating-system file was not found.
C.The backup piece is expired because the retention period for the backup has expired.
D.The backup piece is expired because the backup set to which it belongs is not complete.
You want to configure and schedule offline database backups to run automatically.
Which tool or utilitywould you use to achieve this（）
A.the XML script
B.the PL/SQL script
C.the DBMS_SCHEDULER package
D.Enterprise Manager to schedule the backup
A.data files
B.control files
C.parameter file
D.online redo log files
E.server parameter file
You are using Enterprise Manager to schedule backups for your database.
Which type of script wouldbe generated by the backup scheduler（）
A.XML script
B.PL/SQL script
C.Operating system script
D.Recovery Manager （RMAN） script
You are managing an Oracle Database 11g database with the following backup strategy：
1.On Sunday， an incremental level 0 tape backup is performed.
2.Monday through Saturday， acumulativeincremental level 1 tape backup is performed.
Which two statements are true regarding the backups performed（）
A.The backup performed in step 1 backs up all blocks that have ever been in use in the database.
B.The backup performed in step 2 copies all the blocks changed since the most recent level 0 backup.
C.The backup performed in step 1 backs up all the blocks changed since the most recent level 1 backup.
D.The backup performed in step 2 backs up all blocks that have changed since the most recent incremental backup at level 1.
You are managing an Oracle Database 11g database with this backup strategy：
- Every Sunday night， level 0 backup is performed.
- On Monday night and subsequent days， level 1 incremental backup is performed.
The backups are not cumulative incremental.
Which statement about Monday’s backup is true（）
A.The backup contains all the used blocks.
B.The backup contains all the used and unused blocks.
C.The backup contains blocks that have changed since the last level 0 backup.
D.The backup contains blocks that have changed since the last level 1 backup taken last week.
You perform differential incremental level 1 backups of your database on each working day and level 0 backup on Sundays， to tape.
Which two statements are true about differential incremental backups（）
A.The backup performed on Sundays contains all the blocks that have ever been used in the database.
B.The backup performed on Sundays contains all the blocks that have changed since the last level 1backup.
C.The backup performed on each working day contains all the blocks that have changed since the lastlevel 0 backup.
D.The backup performed on Monday contains all the blocks that have changed since the level 0 backup，and every other working day contains all the blocks that have changed since the level 1 backup.
You are working on a database that must be functioning 24 hours a day， 7 days a week. The databaseis configured in ARCHIVELOG mode.
Which two options do you have for performing user-managed backups（）
A.You can perform consistent backups only.
B.You can perform a complete database backup without shutting down the database instance.
C.You can back up data files only when all data files have the same SCN recorded in the control file.
D.You can back up only those data files whose headers are frozen by using ALTER TABLESPACE BEGINBACKUP or ALTER DATABASE BEGIN BACKUP commands.
最新试题
Identify the situations in which you use the alert log file in your database to check the detail.（）
The database instance has the following parameter setting：OS_AUTHENT_PREFIX = OPS$ OS_ROLES = FALSE REMOTE_OS_AUTHENT = FALSEREMOTE_OS_ROLES = FALSE TIMED_OS_STATISTICS = 0 You have a local operating system user SKD.You create a database user OPS$SKD， and then assign external authentication. The user OPS$SKD has theCREATE SESSION privilege. What would you achieve by the above process（）
View the Exhibit and examine the privileges granted to the SL_REP user. The EMP table is owned by theSCOTT user. The SL_REP user executes the following command：SQL> GRANT SELECT ON scott.emp TO hr；Which statement describes the outcome of the command（）
You are working on a database that must be functioning 24 hours a day， 7 days a week. The database isconfigured in ARCHIVELOG mode. Which two options do you have for performing user-managed backups（）
Examine the command that is used to create a table：SQL> CREATE TABLE orders（oid NUMBER（6） PRIMARY KEY， odate DATE， ccode NUMBER （6）， oamtNUMBER（10，2）） TABLESPACE users；Which two statements are true about the effect of the above command（）
All the database users are presently connected to the database instance and working. The HR user hasopened three database sessions and executed the following command in one of his sessions：SQL> UPDATE persons SET ccode=’U031’ WHERE ccode=’U029’； 123 rows updated.SQL> DELETE FROM persons WHERE exp=’Y’；3 rows deleted.The SYS user opens a new session after HR executed the above commands. Which sessions can see theeffect of the UPDATE and DELETE commands（）
After performing a clean shut down of the database instance for maintenance， you mount the database andthen execute a command to open the database：SQL> ALTER DATABASE OPEN；Which two statements are true（）
Which statements are correct about temporary tables（）
View the Exhibit. You are creating an additional database by using the Database Configuration Assistant（DBCA）. You opted to create a General Purpose database and during the database creation realize that theBlock Size field is not enabled. What could be the reason for this（）
User SCOTT executes the following command on the EMP table but has not issued COMMIT， ROLLBACK， orany data definition language （DDL） command：SQL> SELECT ename FROM emp WHERE job=’CLERK’ FOR UPDATE OF empno；SCOTT has opened another session to work with the database instance. Which three operations would waitwhen issued in SCOTT’s second session（）