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1Z0-063 – Oracle University: https://education.oracle.com/oracle-database-12c-advanced-administration/pexam_1Z0-063
Oracle Database 12c Administrator Certified Professional
- The Oracle Certified Associate (OCA) for Oracle Database 12c assesses the most important skills DBAs need for daily operational management and maintenance.
- Building upon the competencies in the Oracle Database 12c OCA certification, the Oracle Certified Professional (OCP) for Oracle Database 12c includes the advanced knowledge and skills required of top-performing database administrators, including development and deployment of backup, recovery and Cloud computing strategies.
- The Oracle Certified Master (OCM) for Oracle Database 12c – a very challenging and elite top-level certification – certifies the most highly skilled and experienced database experts.
Oracle Database Certifications: https://education.oracle.com/database/oracle-database/pFamily_32?certPage=true
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Latest effective Oracle Database 12c 1z0-063 Exam Practice Tests
QUESTION 1
Which three RMAN persistent settings can be set for a database?
A. backup retention policy
B. default backup device type
C. default section size for backups
D. default destinations for backups
E. multiple backup device types for a single backup
Correct Answer: ABD
Reference:http://docs.oracle.com/cd/B19306_01/backup.102/b14192/setup004.htm#i10197
QUESTION 2
The CATDBI2c database contains an Oracle Database 12c catalog schema owned by the rc12c user.
The CATDB11 database contains an Oracle Database l1g catalog schema owned by the RCII user.
A database with DBID=1423241 is registered in the CATDB11 catalog. Both the recovery catalog databases are open.
In the CATDB12c database, you execute the commands:
Srman
RMAN> CONNECT CATALOG rc12c/pass12c8catdbI2c
RMAN> IMPOST CATALOG rc1l/pwdcatl19catdbl1 DBID=I423241;
What is the outcome of the import?
A. It fails because the target database and recovery catalog database are of different versions.
B. It succeeds and all global scripts in the sc:: catalog that have the same name as existing global scripts in the RC12C
catalog are automatically renamed.
C. It succeeds but the database is not automatically registered in the Rc12c catalog.
D. It fails because RMAN is not connected to the target database with DBID=1423241.
Correct Answer: B
QUESTION 3
You want to migrate your Oracle 11g database as a pluggable database (PDB) in a multitenant container database
(CDB). The following are the possible steps to accomplish this task:
1.
Place all the user-defined tablespace in read-only mode on the source database.
2.
Upgrade the source database to a 12c version.
3.
Create a new PDB in the target container database.
4.
Perform a full transportable export on the source database withthe VERSION parameter set to 12 using the expdp
utility.
5.
Copy the associated data files and export the dump file to the desired location in the target database.
6.
Invoke the Data Pump import utility on the new PDB database as a user with the DATAPUMP_IMP_FULL_DATABASE
role and specify the full transportable import options.
7.
Synchronize the PDB on the target container database by using the DBMS_PDS.SYNC_ODB function. Identify the
correct order of the required steps.
A. 2, 1, 3, 4, 5, 6
B. 1, 3, 4, 5, 6, 7
C. 1, 4, 3, 5, 6, 7
D. 2, 1, 3, 4, 5, 6, 7
E. 1, 5, 6, 4, 3, 2
Correct Answer: C
QUESTION 4
While performing database backupto tape via the media manager interface, you notice that tape streaming is not
happening because RMAN is not sending data blocks fast enough to the tape drive.
Which two actions would you take for tape streaming to happen during the backup?
A. Configure backup optimization.
B. Configure the channel to increase maxopenfiles.
C. Configure a backup policy by using incremental backups.
D. Configure the channel to increase capacity with the rate parameter.
E. Configure the channel to adjust the tape buffer size byusing the 3LKSIZE option.
F. Configure large_pool, if not done already. Alternatively, you can increase the size of
G. LARGE_POOL.
Correct Answer: AD
QUESTION 5
Which two statements are true about tablespaces in multitenant container databases (CDBs)?
A. Default permanent tablespaces can be shared across pluggable databases (PDBs).
B. The current container must be set to root to create or modify the default temporary tablespace or tablespace group
for a CDB.
C. Each PDB can have its own default temporary tablespace.
D. The default permanent tablespace for a PDB can be changed only by a local user with the required permissions.
E. The amount of space that each PDB can usein a shared temporary tablespace must be set at the CDB level.
Correct Answer: AB
QUESTION 6
You are administering a multitenant container database (CDB) that contains multiple pluggable databases (PDBs). You
are connected to cdb$root as thesys user. You execute the commands:
SQL> CREATE USER C##ADMIN IDENTIFIED BY orcll23;
SQL> CREATE ROLE C##CONNECT;
SQL> GRANT CREATE SESSION, CREATE TABLE, SELECT ANY TABLE TO C##CONNECT;
SQL> GRANT C##CONNECT to C##ADMIN CONTAINER=ALL;
Which statement istrue about the c##connect role?
A. It is created only in cdb$root and cannot be granted to the c##admin user with the container=all clause.
B. It is granted to the c##admin user only in the CDB.
C. It is granted to the c##admin user in all PDBs and can be granted only to a local user in a PDB.
D. It is granted to the c##admin user in all PDBs and can be granted object and system privileges for a PDB.
Correct Answer: C
QUESTION 7
You created a tablespace with this statement:
CREATE BIGFILE TABLESPACE adtbs
DATAFILE \\’/proddb/data/adtbs.dbf\\’ SIZE 10G;
The tablespace is nearly full and youneed to avoid any out of space errors for the load of a 5 gig table.
Which two alter statements will achieve this?
A. ALTER TA3LESPACE adtbs RESI2E 20G;
B. ALTER TA3LESPACE adtbs ADD DATAFILE;
C. ALTER TABLESPACE adtbs AUTOEXTEND ON;
D. ALTER TA3LESPACE adtbs ADD DATAFILE \\’/proddb/data/adtbsl.dbf\\’ SIZE 1QG;
E. ALTER TA3LESPACE adtbs MODIFY DATAFILE \\’/proddb/data/adtbs.dbf AUTOEXTEND ON;
Correct Answer: AC
Explanation: http://www.techonthenet.com/oracle/tablespaces/alter_tablespace.php
QUESTION 8
Which two options can be configured for an existing database by using the Database Configuration Assistant (DBCA)?
A. Database Resident Connection Pooling
B. Oracle Suggested Backup Strategy
C. Database Vault in ORACLE_HOME
D. Nondefaultblocksizetablespaces
E. Configure Label Security
Correct Answer: DE
QUESTION 9
Your production database is running in archivelog mode. You use RMAN with a recovery catalog to back up your
database to media and the database is uniquely identified in the recovery catalog.
You want to create a test database from the production database and allow the production database to remain open
during the duplicate process. You restore the database backups to a new host with the same directory structure as the
production database and want to use the recovery catalog for future backups after the database is successfully restored
to the new host.
How would you achieve this?
A. by using the RMAN switch command to set the new location for the data files
B. by using the RMAN duplicate command with nofilenamecheck to recover the database to the new host
C. by using the RMAN duplicate command with dbid and set nekname for tablespace to recover the database to the
new host
D. by creating a new database in the new host, and then using the RMAN recover command
Correct Answer: D
QUESTION 10
In the SPFILE, UNDOJTABLESPACEis Set to UNDOTBS.
You rename the undotbs undo tablespace:
ALTER TABLESPACE undotbs RENAME TO undotbs_old;
Which statement is true?
A. The tablespace will be renamed but the data file headers will not be updated.
B. The statement will fail because you cannot rename an undo tablespace.
C. The tablespace will be renamed and all the changes will be logged in the alert log.
D. The tablespace will be renamed and a message written to the alert log indicating that you should change the
corresponding initialization parameter.
E. You must set the undo_tablespace parameter to some other tablespace name before renaming undotbs.
Correct Answer: C
QUESTION 11
Which three statements are true about unplugging a pluggable database (PDB)?
A. The PDB must be open in read only mode.
B. The PDB must be dosed.
C. The unplugged PDB becomes a non-CDB.
D. The unplugged PDB can be plugged into the same multitenant container database (CDB)
E. The unplugged PDB can be plugged into another CDB.
F. The PDB data files are automatically removed from disk.
Correct Answer: BDE
Explanation: B, not A: The PDB must be closed before unplugging it.
D: An unplugged PDB contains data dictionary tables, and some of the columns in these encode information in an
endianness-sensitive way. There is no supported way to handle the conversion of such columns automatically. This
means,quite simply, that an unplugged PDB cannot be moved across an endianness difference.
E (not F): To exploit the new unplug/plug paradigm for patching the Oracle version most effectively, the source and
destination CDBs should share a filesystem so that thePDB\\’s datafiles can remain in place. Reference: Oracle White
Paper, Oracle Multitenant
QUESTION 12
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.
Correct Answer: CE
QUESTION 13
You issue the command:
SQL>ALTER DATABASE BACKUP CONTROLFILE TO TRACE;
Which statement is true about the command?
A. It creates a copy of the control file and stores it in the location specified in the diagnostic_dest initialization
parameter.
B. It creates a file that contains theSQL statement, which is required to re-create the control file.
C. It updates the alert log file with the location and contents of the control file.
D. It creates a binary backup of the control file.
Correct Answer: B
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