Authentic 1Z0-083 Dumps - Free PDF Questions to Pass [Q34-Q58]

Authentic 1Z0-083 Dumps - Free PDF Questions to Pass 

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NEW QUESTION 34
Examine the command for creating pluggable database PDB2 in container database CDB2.

Select three options, any one of which is required for it to execute successfully. (Choose three.)

• A. Add only the CREATE_FILE_DEST clause to the statement.
• B. Add the FILE_NAME_CONVERT clause to the statement and enable Oracle Managed Files (OMF)
• C. Set the PDB_FILE_NAME_CONVERT parameter and enable OMF.
• D. Set only the PDB_FILE_NAME_CONVERT parameter.
• E. Enable only OMF.
• F. Add the FILE_NAME_CONVERT clause to the statement and set the PDB_FILE_NAME_CONVERT parameter.

Answer: A,C,E

 

NEW QUESTION 35
Examine this configuration:
* CDB1 is a container database.
* PDB1 and PDB2 are pluggable databases in CDB1.
* PDB1 and PDB2 are OPEN in READ WRITE mode.
You execute these commands successfully:

Which two are true? (Choose two.)

• A. Uncommitted transactions in CDB1 and PDB1 have been rolled back.
• B. CDB1 is shut down.
• C. Uncommitted transactions in PDB1 have been rolled back.
• D. CDB1 is in MOUNT state
• E. PDB1 is closed.

Answer: C,E

 

NEW QUESTION 36
Which two are true about Oracle Optimizer Statistics, their use, and their collection? (Choose two.)

• A. The number of table rows is considered when evaluating the cost of accessing a table using an index.
• B. The Statistics Advisor can help recommend the best way to gather statistics.
• C. Index balanced B*Tree height is considered when evaluating the cost of using an index.
• D. The Statistics Advisor generates actions for all recommendations.
• E. Statistics collected using DBMS_STATS always yield the best optimizer result.

Answer: B,E

Explanation:
Explanation/Reference: https://docs.oracle.com/en/database/oracle/oracle-database/19/tgsql/optimizer-statistics- advisor.html#GUID-D81A7708-FDA0-45BB-A6E2-103858B047AE

 

NEW QUESTION 37
Which two are true about instance recovery?

• A. It is performed automatically while the database remains in mount state. Then the database is opened.
• B. Setting fast_start_mttr_target to a higher value reduces instance recovery time by causing the log writer to write more frequently, thereby reducing the number of I/Os needed during instance recovery.
• C. Setting fast_start_mttr_target to a lower value reduces instance recovery time by causing dirty buffers to be written to disk more frequently, thereby reducing the number of I/Os needed during instance recovery.
• D. It is not possible if an archived log is missing.
• E. It is performed automatically after the database is opened; however, blocks requiring recovery are not available until they are recovered.
• F. It is performed by the Recovery Writer (rvwr) background process.

Answer: C,D

 

NEW QUESTION 38
Which two are true about Oracle Database Configuration Assistant (DBCA) templates?

• A. The Data Warehouse template is most suitable when transaction response time is the key criterion.
• B. The General Purpose or Transaction Processing templates are most suitable when concurrency and recoverability are key criteria.
• C. New templates can only be created by modifying an existing user-created template.
• D. Oracle DBCA templates can be used to create new databases and duplicate existing databases.
• E. Oracle DBCA templates can store only logical structure and not database files.

Answer: D,E

 

NEW QUESTION 39
In which two situations can you use Database Upgrade Assistant? (Choose two.)

• A. when multiple pluggable databases in a container database have to be upgraded in a specific sequence
• B. when a character set conversion is required during the upgrade
• C. when the operating system (OS) needs to be changed as part of the upgrade
• D. when the hardware platform needs to be changed as part of the upgrade
• E. when the target and source database are on the same platform

Answer: A,E

 

NEW QUESTION 40
Which two are true about Rapid Home Provisioning (RHP), which has been available since Orcale 18c? (Choose two.)

• A. It can be used to provision applications.
• B. It can be used to patch Grid Infrastructure homes containing Oracle Restart.
• C. It can be used to provision middleware.
• D. It is an Oracle Database service
• E. It cannot be used to upgrade Oracle Database homes.

Answer: B,C

Explanation:
Reference:
https://www.oracle.com/assets/rapid-home-provisioning-2405191.pdf

 

NEW QUESTION 41
Which two are true about diagnosing Oracle Database failure situations using Data Recovery Advisor?

• A. Data Recovery Advisor can be used if a database is closed.
• B. The Data Recovery Advisor change failure command can be used only to change failure priorities.
• C. Using the Data Recovery Advisor list failure command always requires that the database for which failures are to be listed is in mount state.
• D. A failure can be closed only when it has been repaired.
• E. Data Recovery Advisor can proactively check for failures.

Answer: A,E

 

NEW QUESTION 42
Which three are true about RMAN persistent configuration settings, administration, and their effects? (Choose three.)

• A. The RMAN SHOW ALL command displays only settings with nondefault values.
• B. Backups written to the fast recovery area (FRA) that are oboslete based on the redundancy retention policy can be deleted automatically to free space.
• C. The V$RMAN_CONFIGURATION view displays only settings with values that have been modified.
• D. Backup older than the recovery window retention policy are always deleted automatically if the backup location has insufficient space.
• E. A target database's persistent RMAN configuration settings are always synchronized automatically with the RMAN catalog.
• F. A target database's persistent RMAN configuration settings are always stored in the target's control file
• G. A DBA must specify either a redundancy retention policy or a recovery window retention policy.

Answer: C,D,F

Explanation:
Reference:
https://books.google.com.pk/books? id=pUEkAAAAQBAJ&pg=PA114&lpg=PA114&dq=V$RMAN_CONFIGURATION+view+displays+only+settings
+with+values+that+have+been+modified&source=bl&ots=fhC9A7ULeX&sig=ACfU3U2- cGhTjmAOpCZhvlL5R4j6ixLRAw&hl=en&sa=X&ved=2ahUKEwjJzf- WmtnoAhXT8eAKHQ9uBG8Q6AEwAHoECAwQJg#v=onepage&q=V%24RMAN_CONFIGURATION%20view
%20displays%20only%20settings%20with%20values%20that%20have%20been%20modified&f=false

 

NEW QUESTION 43
A container database (CDB) contains two pluggable databases PDB1 and PDB2.
The local_undo_enabled database property is set to false in the CDB.
Data file 24 of PDB2 was deleted and you need to restore and recover it.
The only RMAN backup that exists was created with the backup database command while connected to CDB$ROOT.
Which three are true?

• A. Data file 24 can be restored only while connected to CDB$ROOT.
• B. Data file 24 can be restored and recovered while connected to CDB$ROOT.
• C. Data file 24 can be recovered only while connected to PDB2.
• D. Data file 24 can be restored only while connected to PDB2.
• E. Data file 24 can be recovered while connected to PDB2.
• F. Data file 24 can be recovered while connected to CDB$ROOT.

Answer: A,C,E

 

NEW QUESTION 44
Which two are true about creating pluggable databases (PDBs) using snapshots in Oracle 19c and later releases? (Choose two.)

• A. A PDB snapshot depends on a storage snapshot which can be stored on any file system.
• B. A PDB snapshot is always a sparse copy of the source PDB.
• C. A PDB snapshot is always a full copy of the source PDB.
• D. A snapshot copy PDB depends on a storage snapshot which can only be stored on specific file systems.
• E. A snapshot copy PDB can be created from a stand-alone clone PDB.
• F. A PDB snapshot depends on a storage snapshot which can only be stored on specific file systems.
• G. A snapshot copy PDB depends on a storage snapshot which can be stored on any file system.

Answer: C,F

 

NEW QUESTION 45
Which two are true about RMAN backups when using a media manager to write backups to tape when there are only two tape drives? (Choose two.)

• A. SBT tape compression and RMAN backup compression should be used in parallel.
• B. Any backup written to the SBT device in this configuration can contain a maximum of two backup sets.
• C. Any backup set written to the SBT device in this configuration can contain a maximum of two backup pieces.
• D. SBT tape compression can be used even if no RMAN compression is configured.
• E. The SBT device should be configured to use PARALLELISM 2 to allow both tape drive to be used simultaneously.

Answer: A,E

 

NEW QUESTION 46
Which three are true about transporting databases across platforms using Recovery Manager (RMAN) image copies? (Choose three.)

• A. Data files can be converted on the source system.
• B. The password file is automatically converted by RMAN.
• C. Data files can be converted on the destination system.
• D. By default, the transported database will use Oracle Managed Files (OMF)
• E. A new DBID is automatically created for the transported database.
• F. Databases can be transported between systems with different endian formats.

Answer: A,B,F

Explanation:
Explanation
Password file is automatically converted by RMAN.

 

NEW QUESTION 47
Which two are true about Oracle Database Configuration Assistant (DBCA) templates? (Choose two.)

• A. The Data Warehouse template is most suitable when transaction response time is the key criterion.
• B. Oracle DBCAtemplates can be used to create new databases and duplicate existing databases.
• C. New templates can only be created by modifying an existing user-created template.
• D. The General Purpose of Transaction Processing templates are most suitable when concurrency and recoverability are key criteria.
• E. Oracle DBCA templates can store only logical structure and not database files.

Answer: B,D

 

NEW QUESTION 48
Which three are true about requirements for various FLASHBACK operations? (Choose three.)

• A. FLASHBACK version query requires undo to retrieve all versions of a row that existed between two points in time.
• B. FLASHBACK version query requires that the RECYCLEBIN parameter be set to ON.
• C. FLASHBACK transaction query requires undo to retrieve all versions of a row that existed between two points in time.
• D. FLASHBACK DATA ARCHIVE requires undo to store all versions of all rows of a table being tracked.
• E. FLASHBACK drop requires undo to retrieve all versions of a row that existed between two points in time.
• F. FLASHBACK drop requires that the RECYCLEBIN parameter be set to ON.

Answer: A,C,F

Explanation:
Reference:
https://books.google.com.pk/books?id=0iwrL9P25Z0C&pg=PA35&lpg=PA35&dq=FLASHBACK+transaction
+query+requires+undo+to+retrieve+all+versions+of+a+row+that+existed+between+two+points+in
+time&source=bl&ots=MJnYl5CZ1u&sig=ACfU3U0dWP-NPd- U8uu3zbaoi3YZzT0FTQ&hl=en&sa=X&ved=2ahUKEwigi5_Jl9joAhXzUBUIHUh4DksQ6AEwAnoECAsQJg#v= onepage&q=FLASHBACK%20transaction%20query%20requires%20undo%20to%20retrieve%20all% 20versions%20of%20a%20row%20that%20existed%20between%20two%20points%20in%20time&f=false
https://docs.oracle.com/cd/E18283_01/server.112/e17120/tables011.htm

 

NEW QUESTION 49
You must transport the university tablespace from one database to another. The university tablespace is currently open read/write. The source and destination platforms have different endian formats. Examine this list of actions:
1. Make the university tablespace read-only on the source system.
2. Export the university tablespace metadata using expdp.
3. Convert the university tablespace data files to the destination platform format using RMANon the source system.
4. Copy the university tablespace data files to the destination system.
5. Copy the Data Pump dump set to the destination system.
6. Convert the university tablespace data files to the destination platform format using RMANon the destination system.
7. Import the university tablespace metadata using impdp.
8. Make the university tablespace read/write on the destination system.
Which are the minimum number of actions required, in the correct order, to transport the university tablespace?

• A. 1, 2, 4, 6, 7, 8
• B. 1, 2, 4, 5, 7, 8
• C. 2. 4. 5. 6. 7
• D. 1, 2, 3, 4, 5, 6, 7, 8
• E. 1, 2, 3, 4, 5, 7, 8

Answer: D

 

NEW QUESTION 50
Examine this configuration:
1. CDB1 is a container database.
2. PDB1 and PDB2 are pluggable databases in CDB1.
You execute these commands successfully:

Which two are true?

• A. PDB1 and PDB2 are in read only state.
• B. PDB1 and PDB2 are in mount state.
• C. CDB$ROOT is in mount state.
• D. Redo logs are opened.
• E. PDB$SEED is in read only state.

Answer: C,D

 

NEW QUESTION 51
Your container database, CDB1, has an application container, HR_ROOT, with an application PDB, HR_PDB1.
You have the required privilege to clone HR_PDB1 to container database CDB2, which does not contain HR_ROOT.
Which two are always true? (Choose two.)

• A. A common user must exist in CDB2 with the CREATE PLUGGABLE DATABASE privilege.
• B. All transactions in HR_PDB1 of CDB1 must commit before the cloning process starts.
• C. The HR_PDB1 clone created in CDB2 will be in mount state when cloning ends.
• D. CDB1 and CDB2 must be in shared undo mode.
• E. Cloning HR_ROOT automatically clones HR_PDB1.

Answer: A,E

 

NEW QUESTION 52
Which four are true about duplicating a database using Recovery Manager (RMAN)? (Choose four.)

• A. A backup of the target database is always required.
• B. Duplication can be done by having the target database instance push copies to the auxiliary database instance.
• C. A connection to the target database instance is always required.
• D. A subset of the target database can be duplicated.
• E. A connection to an auxiliary instance is always required.
• F. Duplication can be done by having the auxiliary databaseinstance pull backup sets from the target database instance.
• G. A connection tothe recovery catalog instance is always required.
• H. A new DBID is always created for the duplicated database.

Answer: A,B,E,F

 

NEW QUESTION 53
Which two are true about creating RMAN backups for an Oracle container database?

• A. The backup pluggable database command can be used to back up cdb$root.
• B. The backup database plus archivelog command will back up archive logs when RMAN is connected to a PDB.
• C. Tablespaces from different PDBs with identical names must be backed up by connecting RMAN separately to each PDB to back up the tablespaces.
• D. The backup database command will create a pluggable database (PDB) backup when RMAN is connected to a PDB.
• E. spfile backups can be created while connected to an application root PDB.

Answer: B,D

 

NEW QUESTION 54
Which three are true about Optimizer Statistics Advisor? (Choose three.)

• A. It is part of the DBMS_ADVISOR package.
• B. It is part of the DBMS_STATS package.
• C. It can recommend changes to improve the statistics gathering process.
• D. It can be run only manually.
• E. It runs automatically every night by default.
• F. It always analyzes all schemas in the database.

Answer: B,C,D

Explanation:
Explanation
https://mikedietrichde.com/2017/08/22/oracle-optimizer-statistics-advisor-in-oracle-database-12-2-0-1/
https://www.oracle.com/technetwork/database/bi-datawarehousing/twp-bp-for-stats-gather-19c-5324205.pdf

 

NEW QUESTION 55
Which two are true about SQL Performance Analyzer (SPA)? (Choose two.)

• A. It provides before and after execution statistics for each SQL statement in the analysis task
• B. It offers fine-grained analysis of all the SQL statements in the analysis task as a group.
• C. It is integrated with the SQL Access Advisor.
• D. SQL statements that were originally run concurrently are run concurrently by SPA.
• E. It predicts the impact of system changes on SQL workload response time.

Answer: B,E

 

NEW QUESTION 56
Which three are true about performing an Oracle Database install on Linux? (Choose three.)

• A. The Oracle Preinstallation RPM must be used to configure the Oracle database installation owner, the Oracle Inventory group, and an Oracle administrative privileges group.
• B. The runfixup.sh script can install missing RPMs.
• C. The Oracle database administrator must be granted access to the root operating system account to tun root privileged scripts.
• D. It allows you to select the languages supported by the Oracle database server.
• E. It can be done after installing Grid Infrastructure for a Standalone Server.
• F. The Oracle Preinstallation RPM can be used to configure the Oracle database installation owner, the Oracle Inventory group, and an Oracle administrative privileges group.
• G. It can be done before installing Grid Infrastructure for a Standalone Server.

Answer: C,D,F

 

NEW QUESTION 57
Examine this configuration:

While CDB1 is open, '/u02/app/oracle/fast_recover_area/cdb1/CDB1/controlfile02.ctl' is accidentally deleted.
To recover from this critical failure, you execute these commands:

What will be the outcome?

• A. It will create '$ORACLE_HOME/dbs/cdb1/CDB1/controlfile02.ctl'
• B. It will create '/u01/app/oralce/oradata/CDB1/controlfile/controlfile02.ctl'.
• C. It will fail because there is no autobackup of the controlfiles.
• D. It will re-create '/u02/app/oracle/fast_recover_area/cdb1/CDB1/controlfile02.ctl'
• E. It will create '/u01/app/oracle/product/12.2.0.1/db_1/dbs/snapcf_cdb1control02.ctl'.

Answer: D

 

NEW QUESTION 58
......

Understanding functional and technical aspects of Oracle Database Administration II Exam Number: 1Z0-083

The following will be discussed in the ORACLE 1Z0-083 dumps:

• Using Flashback Technologies
• Diagnosing Failures
• Oracle Database: Deploy, Patch and Upgrade Workshop
• Transporting Data
• Duplicating a Database
• Restore and Recovery Concepts
• Creating an Oracle Database by using DBCA
• Patching Grid Infrastructure and Oracle Database
• Performing Recovery
• RMAN Troubleshooting and Tuning

 

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