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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:

• Diagnosing Database Issues
• Configure RMAN and the Database for Recoverability
• Describe and use Recovery technology for Crash, Complete, and Point-in-time recovry
• Configure and using an RMAN recovery catalog
• Restore and Recovery Concepts - Oracle Database: Backup and Recovery Workshop
• Employ the best Oracle Database recovery technology for your failure situation
• Using Flashback Technologies - Oracle Database: Backup and Recovery Workshop
• Duplicate Databases
• Configuring and using RMAN - Oracle Database: Backup and Recovery Workshop
• Duplicating a Database - Oracle Database: Backup and Recovery Workshop
• Detect and repair database and database block corruption

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:

• RMAN Troubleshooting and Tuning - Oracle Database: Backup and Recovery Workshop
• Upgrading to Oracle Grid Infrastructure - Oracle Database: Deploy, Patch and Upgrade Workshop
• Install Grid Infrastructure for a Standalone server
• Transport Data
• Patch Grid Infrastructure and Oracle Database
• Diagnose RMAN performance issues
• Transporting Data - Oracle Database: Backup and Recovery Workshop
• Restore and Recovering Databases with RMAN
• Performing Recovery - Oracle Database: Backup and Recovery Workshop
• Patching Grid Infrastructure and Oracle Database - Oracle Database: Deploy, Patch and Upgrade Workshop
• Perform Non RMAN database recovery

 

NEW QUESTION 90
Which three are true about an application seed pluggable database (PDB)?

• A. A new application PDB created by cloning an application seed PDB can have an up-to-date version of the application installed after cloning completes.
• B. A new application PDB created by cloning an application seed PDB can have an old version of the application installed after cloning completes.
• C. It is not required in an application container.
• D. It is automatically synchronized with its application root PDB when an application is installed.
• E. It Is automatically synchronized with its application root PDB when an application is upgraded.
• F. It cannot be dropped from its application container.
• G. It cannot be added to an application container after the application container has already been created.

Answer: A,B,D,G

 

NEW QUESTION 91
Which two are true about Oracle instance recovery? (Choose three.)

• A. Recovery begins from the start of any ACTIVE redo log group or the start of the CURRENT log group if no other group is ACTIVE.
• B. Recovery reads redo until the end of the redo thread. SMON rolls back any dead transactions, and then the datanase is opened.
• C. Recovery begins from the last checkpoint position that was calculated by the Database Writer before instance failure.
• D. Recovery reads redo until the end of the redo thread, and then opens the database. SMON then rolls back any dead transactions.
• E. Recovery begins from the beginning of the CURRENT redo log group.
• F. Recovery begins from the last checkpoint position that was recorded in the control file by the checkpoint process (CKPT).

Answer: B,C,D

 

NEW QUESTION 92
Examine these queries and their output:

An online RMAN backup of the CDB was taken an hour before Restore Point R1 was created. You want to recover PDB1 to Restore Point R1.
How do you achieve this?

• A. Execute FLASHBACK PLUGGABLE DATABASE PDB1 TO RESTORE POINT R1 by using RMAN while connected to PDB1.
• B. Execute FLASHBACK PLUGGABLE DATABASE PDB1 TO RESTORE POINT R1 by using RMAN while connected to CDB$ROOT.
• C. This cannot be done due to the lack of a clean restore point.
• D. Execute FLASHBACK PLUGGABLE DATABASE PDB1 TO RESTORE POINT R1 by using SQL while connected to PDB1.
• E. Execute FLASHBACK PLUGGABLE DATABASE PDB1 TO RESTORE POINT R1 by using SQL while connected to CDB$ROOT.

Answer: D

 

NEW QUESTION 93
Your database is in ARCHIVELOG mode and you plan to use Flashback Database.
Which two features or parameters manage space availability in the fast recovery area? (Choose two.)

• A. the backup retention policy
• B. the archived log deletion policy
• C. the backup optimization policy
• D. using guaranteed UNDO retention
• E. the DB_CREATE_ONLINE_LOG_DEST_n parameter setting
• F. the DB_RECOVERY_FILE_DEST parameter setting

Answer: A,E

 

NEW QUESTION 94
Which two are true about data movement between a non-CDB and a PDB using Data Pump? (Choose two.)

• A. Oracle attempts to convert common users to conventional users when moving schemas from a PDB to a non-CDB.
• B. Tablespaces are automatically created as neeed while importing full exports in either a non-CDB or a PDB.
• C. Moving data from a PDB to a non-CDB is only possible by using transportable tablespace export and import.
• D. Moving data from a non-CDB to a PDB is only possible by using conventional export and import.
• E. A new PDB is automatically created when importing a non-CDB into a CDB.
• F. Oracle attempts to convert conventional database users to local users when moving schemas from a non- CDB to a PDB.

Answer: A,F

 

NEW QUESTION 95
Which two are true about Rapid Home Provisioning of Oracle software? (Choose two.)

• A. It can be used for both Oracle Database and Oracle Grid Infrastructure, including Oracle Restart.
• B. It can be used only for Oracle Grid Infrastructure, including Oracle Restart.
• C. It can be used for applications and middleware.
• D. It can be used for both Oracle Database and Oracle Grid Infrastructure, excluding Oracle Restart.
• E. It can be used only for Oracle Grid Infrastructure, excluding Oracle Restart.

Answer: D,E

Explanation:
Explanation
Reference https://docs.oracle.com/en/database/oracle/oracle-database/12.2/cwadd/rapid-homeprovisioning.
html#GUID-CCEC5960-EDA4-4A3F-9643-0CA308EA49AA

 

NEW QUESTION 96
Which three are true about Database Point-in-Time Recovery? (Choose three.)

• A. Database Point-in-Time Recovery is performed by the Managed Recovery Process (MRP)
• B. The database must be open RESETLOGS after Database Point-in-Time Recovery.
• C. The Database must be in ARCHIVELOG mode.
• D. The target point for the recovery must be specified as a stime or System Change Number (SCN).
• E. The database must be in MOUNT state when performing Database Point-in-Time Recovery.
• F. The database must have FLASHBACK DATABASE ON to perform Database Point-in-Time Recovery.

Answer: B,C,E

Explanation:
Explanation
https://docs.oracle.com/cd/B19306_01/backup.102/b14192/flashptr006.htm#:~:text=Database%20point%2Din%

 

NEW QUESTION 97
You plan to install Oracle Grid Infrastructure for a Standalone Server and Oracle Database for the first time on a server.
Examine this command and its outcome:
# id oracle
uid=54321(oracle) gid=54321(oinstall) groups=54321(oinstall) , 54322(dba) Which two are true?

• A. oracle will be granted the sysasm privilege when installing the Oracle Database software.
• B. oracle will be an owner of the Oracle Inventory.
• C. oracle must be the owner of every Oracle Database installation.
• D. oracle can own an Oracle Database installation but not an Oracle Grid Infrastructure installation.
• E. The user account, oracle, and group, oinstall, can be used for all Oracle software installations.

Answer: D,E

 

NEW QUESTION 98
While backing up to the Oracle Fast Recovery Area (FRA), you determined the backup is taking too long and suspect a performance bottleneck.
Which three are true about diagnosing and tuning these problems? (Choose three.)

• A. If an RMAN BACKUP VALIDATE command takes roughly the same time as an actual backup, then read I/O is a likely bottleneck.
• B. If an RMAN BACKUP VALIDATE command takes noticeably less than an actual backup, then write I/O is a likely bottleneck.
• C. Data files with a high value in V$BACKUP_SYNC_IO.DISCRETE_BYTES_PER_SECOND are a potential performance bottleneck when synchronous I/O is used.
• D. Setting DBWR_IO_SLAVESto a non zero value can improve backup performance when using asynchronous I/O/
• E. Setting DBWR_IO_SLAVES to a non zero value can improve backup performance when using synchronous I/O.
• F. Data files with a high value in V$BACKUP_ASYNC_IO.SHORT_WAITS are a potential performance bottleneck when asynchronous I/O is used.
• G. If an RMAN BACKUP VALIDATE command takes roughly the same time as an actual backup, then both read and write I/O are likely bottlenecks.

Answer: B,C,E

 

NEW QUESTION 99
The users tablespace consists of data files 3 and 4 and must always be online in read/write mode. Which two are true about using RMAN to perform an open database back up of this tablespace?

• A. Only consistent backups can be created.
• B. Backups must be done incrementally.
• C. Backups must be contained in backup sets.
• D. Backups can be done incrementally.
• E. The database must be registered in an RMAN catalog.
• F. Backups can be taken only if the database is in archivelog mode.

Answer: C,D

 

NEW QUESTION 100
Which three are true about managing memory components in an Oracle database instance? (Choose three.)

• A. On Line Transaction Processing systems often use less Program Global Area than Decision Support Systems.
• B. With Automatic Shared Memory Management, the database instance can increase the Large Pool size by reducing the Shared Pool size.
• C. With Automatic Memory Management, the database instance can increase the System Global Area size by reducing the Program Global Area size.
• D. Automatically tuned and resized System Global Area components will always revert to their initial sizes after an instance restart.
• E. With Automatic Shared Memory Management, the database instance can increase the Program Global Area size by reducing the System Global Area size.
• F. Automatic Memory Management must be used together with locking the System Global Area into physical memory.

Answer: A,B,E

Explanation:
Reference:
https://docs.oracle.com/database/121/TGDBA/tune_shared_pool.htm

 

NEW QUESTION 101
You plan to install Oracle Grid Infrastructure for a Standalone Server and Oracle Database for the first time on a server.
Examine this command and its outcome:

Which two are true? (Choose two.)

• A. oracle will be an owner of the Oracle Inventory.
• B. The user account, oracle, and group, oinstall, can be used for all Oracle software installations.
• C. oracle must be the owner of every Oracle Database installation.
• D. oracle will be granted the SYSASM privilege when installing the Oracle Database software.
• E. oracle can own an Oracle Database installation but not an Oracle Grid Infrastructure installation.

Answer: D,E

 

NEW QUESTION 102
Which two are true about Oracle Flashback features? (Choose two.)

• A. FLASHBACK TABLE can undrop a column.
• B. After a database is restored from flashback logs using the FLASHBACK DATABASE command, it is sometimes rolled forward using redo logs.
• C. FLASHBACK VERSION QUERY can retrieve REDO records from ONLINE and ARCHIVED REDO LOG files.
• D. FLASHBACK QUERY can retrieve REDO records from ONLINE and ARCHIVED REDO LOG files.
• E. FLASHBACK DROP can undrop an index when undropping a table.

Answer: B,E

 

NEW QUESTION 103
A database is configured in archivelog mode.
A full RMAN backup exists but no control file backup to trace has been taken.
A media failure has occurred.
In which two scenarios is incomplete recovery required?

• A. after losing an undo tablespace that is in use
• B. after losing all copies of the control file
• C. after losing all members of the current online redo log group
• D. after losing all members of an inactive online redo log group
• E. after losing a sysaux tablespace data file

Answer: C,D

 

NEW QUESTION 104
Which three are true about Automatic Workload Repository (AWR)? (Choose three.)

• A. Its collection level is determined by the value of the STATISTICS_LEVELdatabase parameter.
• B. By default, AWR snapshots are retained for 7 days.
• C. The taking of AWR snapshots can be disabled.
• D. AWR data is stored in the SYSTEMtablespace.
• E. By default, AWR snapshots are taken every 60 minutes.

Answer: A,C,E

Explanation:
Explanation/Reference: https://docs.oracle.com/cd/B28359_01/server.111/b28320/initparams240.htm#REFRN10214

 

NEW QUESTION 105
Which two are true about Oracle Database Configuration Assistant (DBCA) templates?

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

Answer: B,D

 

NEW QUESTION 106
Which two are true about an RPM-based Oracle Database installation? (Choose two.)

• A. It uses a service configuration script to create a single-instance database as part of the installation.
• B. It performs a software-only Oracle Database installation.
• C. It includes the Oracle Preinstallation RPM.
• D. From Oracle Database 18c, a single RPM can be used to install only Oracle Database Server for a single instance.
• E. It requires an Unbreakable Linux Network (ULN) subscription.

Answer: C,E

 

NEW QUESTION 107
Which three are true about Recovery Manager (RMAN) in Oracle Database 19c and later releases? (Choose three.)

• A. It is always possible for RMAN to connect to a pluggable database as a target if any RMAN Catalog is used.
• B. A Virtual Private Catalog used to register a container database must be created in a pluggable database.
• C. It is only possible for RMAN to connect to a pluggable database as a target if an RMAN Virtual Private Catalog is used.
• D. A Virtual Private Catalog used to register a container database can be created in a pluggable database.
• E. It is always possible for RMAN to connect to a pluggable database as a target.
• F. A Virtual Private Catalog used to register a container database can be created in a non-container database.

Answer: D,E,F

 

NEW QUESTION 108
Which three are true about RMAN persistent configuration settings, administration, and their effects? (Choose three.)

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

Answer: A,B,G

Explanation:
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 109
You are managing this configuration:
1. CDB1 is a container database.
2. BDB1 and PDB2 are two pluggable databases in CDB1.
3. user1 .EMP Is a table In PDBI and user2.DEPT is a table in PDB2.

Which two are true?

• A. The inserts on USER1 . EMP were committed when the session connected to pdb2.
• B. The insert on user2.dept fails because of the active transaction in the parent container.
• C. The insert on user2.dept Is a recursive autonomous transaction by the child session and is committed.
• D. The insert on user2.dept is uncommitted.
• E. The inserts on USER 1 . EMP remain uncommitted when the session connected to pdb2.
• F. The inserts on USER1. EMP were committed when the session inserted a row into user2 .dept.
• G. The inserts on USER1.EMP were rolled back when the session connected to pdb2.

Answer: C,D

 

NEW QUESTION 110
......

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:

• Manage CDBs and PDBs
• Oracle Database: Backup and Recovery Workshop
• Manage Security in Multitenant databases
• Creating CDBs and Regular PDBs
• Backup Strategies and Terminology
• Oracle Database: Managing Multitenant Architecture Ed 1
• Backup and Duplicate
• Recovery and Flashback
• Manage Application PDBs
• Upgrading and Transporting CDBs and Regular PDBs

 

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