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Q1. Identify two scenarios in which the RMAN crosscheck command canbe used.
A. when checking for backups that are not required as per the retention policy
B. when updating the RMAN repository if any of the archived redo log files have been deleted without using RMAN to do the deletes
C. when updating outdated information about backups that disappeared from disk or media or became corrupted and inaccessible
D. when synchronizing backups, which were not performed by using RMAN, with the RMAN repository
E. when listing backups that are required for recovery operations
Answer: C,E
Q2. Examine the RMAN command:
RMAN> CONFIGURE ENCRYPTION FOR DATABASE ON;
RMAN> BACKUP DATABASE PLUS ARCHIVELOG;
Which prerequisitemust be met before accomplishing the backup?
A. The password for the encryption must be set up.
B. Oracle wallet for the encryption must be set up.
C. All the tablespaces in the database must be encrypted.
D. Oracle Database Vault must be enabled.
Answer: B
Reference:configuration encryption will use by Transparent encryption, For transparent encryption, you will need to create a wallet, and it must be open.
Transparent encryption will then occur automatically after you have issued the CONFIGURE ENCRYPTION FOR DATABASE ON or CONFIGURE ENCRYPTION FOR TABLESPACE ON command.
http://docs.oracle.com/cd/E25054_01/backup.1111/e10642/rcmbckad.htm#CEGEJABH
QUESTIONNO: 15
A database is running in archivelog mode. The database contains locally managed tablespaces. Examine the RMAN command:
RMAN> BACKUP
AS COMPRESSED BACKUPSET
SECTION SIZE 1024M
DATABASE;
Which statement is true about the execution of the command?
A.The backup succeeds only if all the tablespaces are locally managed.
B.The backup succeeds only if the RMAN default device for backup is set to disk.
C.The backup fails because you cannot specify section size for a compressed backup.
D.The backup succeeds and only the used blocks are backed up with a maximum backup
piece size of 1024 MB.
Q3. Users report this error message when inserting rows into the orders table:
ERROR atline1:
ORA-01654f:unable to extend index USERS.ORDERS_IND by 8in tablespace INDEXES
You determine that the indexes tablespace is out of space and there is no free space on the filesystem used by the Oracle database.
Which two must you do to fix this problem without affecting currently executing queries?
A. drop and re-create the index
B. coalesce the orders.ind index
C. coalesce the indexes tablespace
D. perform an on line table rebuild using dbns_redefir.ition.
E. rebuild the index online moving it to anothertablespace that has enough free space for the index
Answer: A,C
Q4. Yourdatabase supports an OLTP workload. Examine the output of the query:
SQL> SSLECT target_mttr, estimated_mttr FROM v$instance_recovery Target_mttrestimated_mttr
To ensure faster instance recovery, youset the fast_start_mttrjtargh:t initialization parameter to
30.
What is the effect of this setting on the database?
A. Automatic checkpoint tuning is disabled.
B. The frequency of log switches is increased.
C. The overhead on database performance is increased because of frequent writes to disk.
D. The MTTR advisor is disabled.
Answer: A
Q5. Which three statements are true about compression of backup sets?
A. Compressed backups can only be written to media.
B. Binary compression creates performance overhead during a backup operation.
C. Unused blocks below the high-water mark are not backed up.
D. Compressed backups cannot have section size defined during a backup operation
E. It works only for locally managed tablespaces.
Answer: B,C,E
Q6. You want to export the pluggable database (PDB) hr pdb1 from the multitenant container database (CDB)CDB1 and import it into the cdb2 CDB as the emp_pdb1 PDB.
Examine the list of possible steps required to perform the task:
1.Create a PDB named emp_pdb1.
2.Export the hr_pdb1 PDB by using the full clause.
3.Open the emp_pdb1 PDB.
4.Mount the emp_pdb1 PDB.
5.Synchronize the emp_pdb1 PDB in restricted mode.
6.Copy the dump file to the Data Pump directory.
7.Create a Data Pump directory in the emp_pdb1 PDB.
8.Import data into emp_pdb1 with the full and remap clauses.
9.Createthe same tablespaces in emp_pdb1 as in hr_pdb1 for new local user objects.
Identify the required steps in the correct order.
A. 2, 1, 3, 7, 6, and 8
B. 2, 1, 4, 5, 3, 7, 6, 9, and 8
C. 2, 1, 3, 7, 6, 9, and 8
D. 2, 1, 3, 5, 7, 6, and 8
Answer: C
Q7. Identify three benefits of unified auditing.
A. It helps to reduce disk space used to store an audit trail in a database.
B. It guarantees zero-loss auditing.
C. It reduces overhead on a database caused by auditing,by having a single audit trail.
D. An audit trail cannot be modified because it is read-only.
E. It automatically audits Recovery Manager (RMAN) events.
Answer: C,D,E
Q8. Examine the RMAN command:
RMAN> BACKUP VALIDATE DATABASE;
Which statement is true about the execution of the command?
A. Block change tracking must be enabled before executing this command.
B. The database must be running in archivelog mode for the successful execution of this command.
C. A complete database backup must exist before executing this command.
D. The command checks for blocks containing all zeros, an invalid checksum, or a corrupt block header.
E. The command checks for blocks that contain a valid checksum and matching headers and footers, but that has logically inconsistentcontents.
Answer: D
Q9. You set the following parameters in the parameter file and restart the database instance:
NEMORY_MAX_TARGET=0
MEMORY__TARGET=500M
PGA_AGGREGATE_TARGET=90M
SGA_TARGET=270M
Which two statements are true?
A. The memory_max_target parameter is automatically set to 500 MB.
B. The pga_aggregate_target and sga_target parameters are automatically set to zero.
C. The value of the memory_max_target parameter remains zero for the database instance.
D. The lower limits of the pga_aggregate_target and sga_target parameters are set to 90 MB and 270 MB respectively.
E. The instance does not start up because Automatic Memory Management (AMM) is enabled but pga_aggregate_target and sga_target parameters are set to nonzero values.
Answer: C,E
Q10. Yourdatabase is running in archivelog mode and a nightly backup of the database, along with an autobackup of the control file, is taken by using RMAN. Because of a media failure, the SPFILE and the control files are lost.
Examine the steps to restore the SPFILE and the control file to mount the database:
1. Set D3ID of the target database in RMAN.
2.Start the database instance by using the startup force nomount command in RMAN.
3.Restore the control files from the backup.
4.Mount the database.
5.Restore theSPFILE from the autobackup.
6.Create a PFILE from the recovered SPFILE.
7.Restart the instance in nomount state.
Identify the required steps in the correct order.
A. 1, 2, 5, 3, 6, 4
B. 1, 2, 3, 5, 6, 4
C. 2, 1, 5, 7, 3, 4
D. 2, 1, 5, 6, 7, 4, 3
Answer: C
104. You want to move your existing recovery catalog to another database.
Examine the steps:
1)Export the catalog data by using the Data Pump Export utility in the source database.
2) Create a recovery catalog user and grant the necessary privileges in the target
database.
3) Create a recovery catalog by using the create catalog command.
4)Import the catalog data into the new recovery catalog by using the Data Pump Import
utility in the target database.
5)Import the source recovery catalog schema by using the import catalog command.
6)Connect to the destination database.
7) Connect as catalog to the destination recovery catalog schema.
Identify the option with the correct sequence for moving the recovery catalog.
A. 1, 6, 4
B. 2, 3, 7, 5
C. 1, 2, 6, 4
D. 1, 2, 3, 6, 5
Q11. Which two statements are true about dropping a pluggable database (PDB)?
A. A PDB must be in mount state or it must be unplugged.
B. The data files associated with a PDB are automatically removed from disk.
C. A dropped and unplugged PDB can be plugged back into the same multitenant container database (CDB) or other CDBs.
D. A PDB must be in closed state.
E. The backups associated with a PDB are removed.
F. A PDB must have been opened at least once after creation.
Answer: A,D
Reference:http://docs.oracle.com/database/121/ADMIN/cdb_plug.htm#ADMIN13858
Q12. In which three scenarios is media recovery required?
A. when a tablespace is accidentally dropped from a database
B. when archived redo log files are lost
C. when data files are lost
D. when one of the online redo log members is corrupted
E. when all control files are lost
Answer: A,C,E
Reference:http://docs.oracle.com/cd/A87860_01/doc/server.817/a76993/recoscen.htm
Q13. Examine the command used to perform an incrementallevel-0 backup:
RMAN>BACKUPINCREMENTALLEVEL0DATABASE;
To enable block change tracking, after the incremental level 0 backup, you issue the
command:
SQL>ALTERDATABASEENABLEBLOCKCHANGETRACKINGUSING
FILE'/mydir/rman_change_track.f'
To perform an incremental level-1 cumulative backup, you issue the command:
RMAN>BACKUPINCREMENTALLEVEL1CUMULATIVEDATABASE;
Which two statements are true in the preceding situation?
A. The block change tracking data is used only from the next incremental backup.
B. The incremental level 1 backup fails because a block change tracking file Is created after the level 0 backup.
C. The incremental level 1 backup does not use change tracking data for accomplishing the backup.
D. The block change tracking file scans all blocks and creates a bitmap for the blocks backed up in the level 0 backup.
E. The block change tracking data is used for the next incremental level 1 backup only after the next level 0 backup.
Answer: C,E
Q14. Which parameter must be set to which value toimplement automatic PGA memory management?
A. Set memory_target to zero.
B. Set STATISTICS_LEVEL to BASIC.
C. Set pga_aggregate_target to a nonzero value.
D. Set pga_aggregate_target and sga_target to the same value.
E. Set sgajtarget to zero.
Answer: C
rence:http://docs.oracle.com/cd/B28359_01/server.111/b28310/memory004.htm#ADMIN11
Q15. Which two statements are true when row-archival management is enabled?
A. Visibility of the ORA_ARCHIVE_STATE column is controlled by the row archival visibility session parameter.
B. The ORA_ARCHIVE_STATE column is updated manually or by a program that can reference activity tracking columns, to indicate that a row is no longer considered active.
C. The row archival visibility session parameter defaults to all rows.
D. The ORA_ARCHIVE_STATE column is visible if it is referenced in the select list of a query.
E. The ORA_ARCHIVE_STATE column is updated automatically by the databasebased on activity tracking columns, to indicate that a row is no longer considered active.
Answer: B,D
Q16. You created a database with DBCA by using one of the Oracle supplied templates.
Which is the default permanent tablespace for all users except DBSNMP and OUTLN?
A. USERS
B. SYSTEM
C. SYSAUX
D. EXAMPLE
Answer: A
Explanation:
This table space is used to store permanent user objects and data. Like the TEMP table space, every database should have a table space for permanent user data that is assigned to users. Otherwise, user objects will be created in the SYSTEM table space, which is not good practice. In the preconfigured database, USERS is assigned the default table space, and space for all objects created by non-system users comes from this table space. For system users, the default permanent table space remains SYSTEM.