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NEW QUESTION 114
Examine the commands executed in the root container of your multitenant container database (CDB) that has multiple pluggable databases (PDBs):
SQL> CREATE USER c##a_admin IDENTIFIED BY orcl123;
SQL> CREATE ROLE c##role1 CONTAINER=ALL;
SQL> GRANT CREATE VIEW TO C##roleI CONTAINER=ALL;
SQL> GRANT c##role1 TO c##a_admin CONTAINER=ALL;
SQL> REVOKE c##role1 FROM c##a_admin;
What is the result of the revoke command?
- A. It fails and reports an error because the container=all clause is not used.
- B. It executes successfully and the c##role1role is revoked from the c##a_admin user only in the root container.
- C. It executes successfully and the c##rocl1 role is revoked from the c##a_admin user in the root database andall the PDBs.
- D. It fails and reports an error because the comtainer=current clause is not used.
Answer: C
NEW QUESTION 115
Examine these actions:
1. Log in to CDB$ROOTas a user with the SYSDBAprivilege.
2. Log in to the PDB as a user with the SYSKMprivilege.
3. Ensure that the CDB keystore is open.
4. Ensure that the CDB keystore is closed.
5. Export the PDB key information.
6. Export the CDB key information.
7. Shut down the CDB.
8. Shut down the PDB.
9. Unplug the PDB.
Which of these are required to unplug an encrypted PDB?
- A. 1, 3, 5, 9
- B. 2, 4, 5, 7
- C. l, 3, 5, 7, 9
- D. 1, 4, 5, 7, 9
- E. 1, 3, 5, 8, 9
- F. 2, 3, 6, 8
Answer: C
Explanation:
Explanation/Reference:
Reference https://blog.dbi-services.com/unplug-an-encrypted-pdb-ora-46680-master-keys-of-the-container- database-must-be-exported/
NEW QUESTION 116
Your database is on ARCHIVELOGmode and an incremental backup exists.
A media failure in the loss of a data file and an online redo log.
Examine these commands:
1. STARTUP NOMOUNT
2. STARTUP MOUNT
3. RESTORE DATABASE
4. RECOVER DATABASE
5. RECOVER DATABASE UNTIL CANCEL
6. ALTER DATABASE OPEN
7. ALTER DATABASE OPEN RESETLOGS
Which commands are required to recover your database?
- A. 2, 3, 5, and 7
- B. 2, 3, and 4
- C. 2, 3, 5, and 6
- D. 1, 3, and 4
- E. 1, 3, 5, and 6
Answer: D
Explanation:
Explanation/Reference: https://docs.oracle.com/cd/E25178_01/backup.1111/e10642/rcmadvre.htm
NEW QUESTION 117
You issue the RMAN command:
RMAN> BACKUP SECTION SIZE 300M TABLESPACE users;
Which statement is true about the execution of the command?
- A. RMAN uses multiplexing to perform the backup.
- B. The backup succeeds only if the USERS tablespace is locally managed.
- C. The backup set size is limited to 300 MB.
- D. RMAN always performs this type of backup in parallel.
- E. The resulting backupset has backup pieces that cannot exceed 300 MB.
Answer: D
Explanation:
Explanation/Reference:
Reference https://docs.oracle.com/cd/B28359_01/backup.111/b28270/rcmbckad.htm#BRADV89546
NEW QUESTION 118
In a database supporting an OLTP workload, tables are frequently updated on both key and non-keycolumns.
Reports are also generated by joining multiple tables.
Which table organization or type would provide the best performance for this hybrid workload?
- A. hash clustered table
- B. heap table with a primary key index
- C. index clustered table
- D. external table
- E. global temporary table
Answer: C
NEW QUESTION 119
One of your database runs in ARCHIVELOG mode.
Examine these initialization parameter settings:
Which statement is true based on these settings?
- A. An online redo log will not be overwritten only if an archived log cannot be created in LOG_ARCHIVE_DEST_4.
- B. An online redo log will not be overwritten only if an archived log cannot be created in at least two of the non- mandatory destinations and LOG_ARCHIVE_DEST_4.
- C. An online redo log will not be overwritten only if an archived log cannot be created in at least one of the non-mandatory destinations and LOG_ARCHIVE_DEST_4.
- D. An online redo log will not be overwritten only if an archived log cannot be created in at least two of the non- mandatory destinations.
Answer: A
Explanation:
Explanation/Reference:
NEW QUESTION 120
Your database is running in ARCHIVELOG mode. Complete database backups are performed daily at midnight. A user accidentally truncates an important table at 10 AM after the last backup. After that, a few important transactions are performed on the database.
Which two best methods for recovering the truncated table data?
- A. Table Point-in-Time Recovery
- B. Tablespace Point-in-Time Recovery
- C. Flashback Transaction Backout
- D. Flashback Database
- E. Database Point-in-Time Recovery
Answer: D,E
Explanation:
Explanation/Reference:
Reference https://blogs.oracle.com/sql/how-to-recover-data-without-a-backup
NEW QUESTION 121
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 incremental level 1 backup does not use change tracking data for accomplishing the backup.
- B. The block change tracking file scans all blocks and creates a bitmap for the blocks backed up in the level 0 backup.
- C. The incremental level 1 backup fails because a block change tracking file Is created after the level 0 backup.
- D. The block change tracking data is used for the next incremental level 1 backup only after the next level 0 backup.
- E. The block change tracking data is used only from the next incremental backup.
Answer: A,D
NEW QUESTION 122
Which three statements correctly describe the relationship amongst jobs, programs, and schedules within the Oracle Job Scheduler? (Choose three.)
- A. A program and schedule can be specified as part of a job definition.
- B. A job is specified as part of a program definition.
- C. A program and window can be specified as part of a job definition.
- D. A program and job can be specified as part of a schedule definition.
- E. A program can be used in the definition of multiple jobs.
Answer: A,C,E
Explanation:
Explanation/Reference:
Explanation:
NEW QUESTION 123
Which three statements are true about the database instance startup after an instance failure?
- A. The SMON process coordinates the database recovery.
- B. The RECO process recovers the uncommitted transactions at the next instance startup.
- C. Changes committed before the failure, which were not written to the data files, are re-applied.
- D. Uncommitted changes are rolled back to ensure transactional consistency.
- E. Media recovery is required to complete the database recovery.
- F. Online redo log files and archived redo log files are required to complete the rollback stage of instance recovery.
Answer: A,B,D
Explanation:
Explanation/Reference:
Explanation:
A: Occasionally a database closes abnormally with one or more distributed transactions in doubt (neither committed nor rolled back). When you reopen the database and recovery is complete, the RECO background process automatically, immediately, and consistently resolves any in-doubt distributed transactions.
C: Crash and instance recovery involve two distinct operations: rolling forward the current, online datafiles by applying both committed and uncommitted transactions contained in online redo records, and then rolling back changes made in uncommitted transactions to their original state.
D: The SMON background process performs instance recovery, applying online redo automatically. No user intervention is required.
References:
https://docs.oracle.com/cd/B28359_01/server.111/b28318/startup.htm
https://docs.oracle.com/database/121/CNCPT/startup.htm
NEW QUESTION 124
The following parameters are set for your Oracle 12c database instance:
OPTIMIZER_CAPTURE_SQL_PLAN_BASELINES=FALSE OPTIMIZER_USE_SQL_PLAN_BASELINES=TRUE
You want to manage the SQL plan evolution task manually. Examine the following steps:
1.Setthe evolve task parameters.
2.Create the evolve task by using the DBMS_SPM.CREATE_EVOVLE_TASK function.
3.Implement the recommendations in the task by using the
DBMS_SPM.IMPLEMENT_EVOLVE_TASK function.
4.Execute the evolve task by using the DBMS_SPM.EXECUTE_EVOLVE_TASK function.
5.Report the task outcome by using the DBMS_SPM.REPORT_EVOLVE_TASK function.
Identify the correct sequence of steps.
- A. 1, 2, 4, 5
- B. 2, 1, 4, 3, 5
- C. 2, 4, 5
- D. 1, 2, 3, 4, 5
Answer: B
NEW QUESTION 125
View the Exhibit showing steps to create a database resource manager plan.
SQL>execute dbms_resource_manager.create_pendingarea();
PL/SQL procedure successfully completed.
SQL>exec dbms_resource_manager, create_consumergroup
( consumer_group=>'OLTP,,comment=>,onlineuser')
PL/SQL procedure successfully completed.
SQL>exec bras resource_manager.create plan
( plan=>'PRIU3ER3',comment=>'dssprio');
SQL>exec
Dbms_resource_manager.create_plan_directive
( plan=>'PRIU3ER3',group_or_subplan=>'OLTP',comment=>'onlinegrp'CPU_Pl=>60);
PL/3QLproceduresuccessfullycompleted.
After executing the steps in the exhibit you execute this procedure, which
results in an error:
SQL> EXECUTE dbms_resource_manager. validate_pending_area ();
What is the reason for the error?
- A. The sys_group group is not included in the resource plan.
- B. The other_groups group is not included in the resource plan.
- C. The procedure must be executed before creating any plan directive.
- D. The pending area is automatically submitted when creating plan directives.
- E. Pending areas can not be validated until submitted.
Answer: B
NEW QUESTION 126
Identify three reasons for using a recovery catalog with Recovery Manager (RMAN). (Choose three.)
- A. to store backup metadata that would cause the controlfile to become too large
- B. to store backups that would cause the controlfile to become too large
- C. to allow database duplication without a connection to the auxiliary instance
- D. to allow database duplication without a connection to the target instance
- E. to report on the database schema at an earlier point in time
Answer: B,D,E
NEW QUESTION 127
You are administering a database that supports a data warehousing workload and is running in noarchivelog mode. You use RMAN to perform a level 0 backup on Sundays and level 1 incremental backups on allthe other days of the week.
One of the data files is corrupted and the current online redo log file is lost because of a media failure.
Which action must you take for recovery?
- A. Restore the control file and all the data files, recover them by using the recover database noredo command, and use the resetlogs option to open the database.
- B. Restore all the data files, recover them by using the recover database noredo command, and use the resetlogs option to open the database.
- C. Restore the data file, recover it by using the recover datafilenoredo command, and use the resetlogs option to open the database.
- D. Restore all the data files, recoverthem by using the recover database command, and open the database.
Answer: A
NEW QUESTION 128
Examine the RMAN command:
RMAN> CONFIGURE ENCRYPTION FOR DATABASE ON;
RMAN> BACKUP DATABASE PLUS ARCHIVELOG;
Which prerequisite must be met before accomplishing the backup?
- A. Oracle Database Vault must be enabled.
- B. The password for the encryption must be set up.
- C. Oracle wallet for the encryption must be set up.
- D. All the tablespaces in the database must be encrypted.
Answer: C
Explanation:
Explanation/Reference:
Explanation:
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
NEW QUESTION 129
In which three scenarios is media recovery required?
- A. when archived redo log files are lost
- B. when all control files are lost
- C. when data files are lost
- D. when a tablespace is accidentally dropped from a database
- E. when one of the online redo log members is corrupted
Answer: B,C,D
Explanation:
Explanation/Reference:
Explanation:
Reference:
http://docs.oracle.com/cd/A87860_01/doc/server.817/a76993/recoscen.htm
NEW QUESTION 130
You notice a performance change in your production Oracle 12c database. You want to know which change caused this performance difference.
Which method or feature should you use?
- A. Taking a new snapshot and comparing it with a preserved snapshot
- B. Active Session History (ASH) report
- C. Compare Period ADDM report
- D. AWR Compare Period report
Answer: D
Explanation:
The awrddrpt.sql report is the Automated Workload Repository Compare Period Report. The awrddrpt.sql script is located in the $ORACLE_HOME/rdbms/admin directory.
Incorrect Answers:
A: Compare Period ADDM is used to perform a high-level comparison of one workload replay to its capture or to another replay of the same capture. Only workload replays that contain at least 5 minutes of database time can be compared using this report.
NEW QUESTION 131
Examine the command:
$expdp SYSTEM FULL=YES DUMPFILE=dpump_dir1:fulll%U.dmp, dpump_dir2:full2% U.dmp, dpump_dir3:full3%U.djnp FILESIZE=400M PARALLEL=3 JOB_NAME=expfull
Which statement is true about the execution of the command?
- A. It succeeds and exports the full database, simultaneously creating three dump files at three different locations, but the total number of dump files can exceed three.
- B. It fails because no absolutepath is specified for the log file and dump file.
- C. It succeeds and exports the full database, simultaneously creating three copies of dump files at three different locations.
- D. It fails because the log file parameter is not specified.
Answer: B
NEW QUESTION 132
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