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Q11. Examine the RMAN command: 

RMAN> SET ENCRYPTION IDENTIFIEDBY <password> ON FOR ALL TABLESPACES; RMAN> BACKUP DATABASE PLUS ARCHIVELOG; 

Which type of encryption is used for the backup performed by using this command? 

A. password-mode encryption 

B. dual-mode encryption 

C. transparent encryption 

D. default encryption 

Answer:

Reference:http://docs.oracle.com/cd/B28359_01/backup.111/b28270/rcmbckad.htm#CEGE JABH(to make password –encrypted backups) 


Q12. 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C. when updating outdated information about backups that disappeared from disk or media or became corrupted and inaccessible 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 


Q13. Automatic Shared Memory Management (ASMm) is enabled for your database instance, 

but parameters for the managed components are not defined. 

You execute this command: 

SQL> ALTER SYSTEM SET DB_CACHE_SIZE = 100M; 

Which statement is true? 

A. The minimum size for the standard buffer cache is 100 MB. 

B. The maximum size for the standard buffer cache is 100 MB. 

C. The minimum space guaranteed in the buffer cache for any server process is 100 MB. 

D. The maximum space in the buffer cache that can be released for dynamic distribution is 100 MB. 

E. The minimum size for all buffer caches is 100 MB. 

Answer:


Q14. 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. 

Answer:


Q15. Examine the backup requirement for your company: 

1) Every Sunday, a backup of all used data file blocks is performed. 

2) Every Wednesday and Friday, a backup of all the changed blocks since last Sunday's backup is performed. 

3) On all the other days, a backup of only the changed blocks since the last day's backup is performed. 

Which backup strategy satisfies the requirements? 

A. level 0 backup on Sunday, cumulative incremental backup on Wednesday and Friday, and differential incremental level 1 backup on all the other days 

B. level 0 backup on Sunday, differential incrementalbackup on Wednesday and Friday, and cumulative incremental level 1 backup on all the other days 

C. full database backup on Sunday, level 0 backup on Wednesday and Friday, and cumulative incremental level 1 backup on all the other days 

D. full database backup on Sunday, level 0 backup on Wednesday and Friday, and differential incremental level 1 backup on all the other days 

Answer:


Q16. 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 


Q17. You notice that the performance of your production 24x7 Oracle 12c database has significantly degraded. Sometimes, you are not able toconnect to the database instance because it hangs. 

How can you detect the cause of the degraded performance? 

A. by performing emergency monitoring using Real-Time Automatic Database Diagnostic Monitor (ADDM) to fetch data directly from SGA for analysis 

B. by running ADDM to fetch information from the latest Automatic Workload Repository (AWR) snapshots 

C. by using Active Session History (ASH) data and performing hang analysis 

D. by running ADDM in diagnostic mode 

Answer:


Q18. View the Exhibit showing steps to create a database resource manager plan. 

SQL>executedbms_resource_manager.create_pendingarea(); PL/SQLproceduresuccessfully completed. 3QL>execdbms_resource_manager,create_consumergroup 

(consumer_group=>’OLTP,,comment=>,onlineuser’) PL/SQLproceduresuccessfullycompleted. SQL>execdbras_resource_raanager.create_plan(plan=>’PRIU3ER3',comment=>'dssprio’); SQL>exec Dbms_resource_manager.create_plan_directive(plan=>’PRIU3ER3’,group_or_subplan=>' 

OLTP’,comraent=>'onlinegrp'CPU_Pl=>60); 

PL/3QLproceduresuccessfullycompleted. 

After execting the steps in the exhibit you execute this procedure, which results in an error: 

SQL> EXECUTEdbms_resource_manager. validate_pending_area (); 

What is the reason for the error? 

A. The pending area is automatically submitted when creating plan directives. 

B. The procedure must be executedbefore creating any plan directive. 

C. The sys_group group is not included in the resource plan. 

D. The other_groups group is not included in the resource plan. 

E. Pending areas can not be validated until submitted. 

Answer:


Q19. You specified the warning and critical thresholds for a locally managed tablespace to be 60% and 70%, respectively. 

From the tablespace space usage metrics, you find that the space usage has reached the specified warning threshold value, but no alerts have been generated. 

What could be the reason for this? 

A. The event parameter was not set. 

B. The sql_trace parameter is set to false. 

C. Enterprise Manager was not used. 

D. The statistics_level parameter is set to basic. 

E. The t:kid_statistics parameter is set to false. 

Answer:


Q20. As part of a manual upgrade process, after installing the software for Oracle Database 12c and preparing the new Oracle home, you shut down the existing single-instance database. 

Which step should you perform next to start the upgrade of the database? 

A. Start up the database instance by using the new location of the server parameter file and run the catuppst.sqi script to generate informational messages and log files duringthe upgrade. 

B. Start up the database instance by using the new location of the server parameter file and run the cact1.pl script from the new Oracle home to use parallel upgrade options that reduce down time. 

C. Start up the database instance by using theSTARTUP UPGRADE command and gather fixed object statistics to minimize the time needed for recompilation. 

D. Start up the database instance by using the STARTUP UPGRADE command, which opens the existing database, and then performs additional upgrade operations. 

Answer: