Certification Topics of 1Z0-083 Exam PDF Recently Updated Questions [Q33-Q57]

Certification Topics of 1Z0-083 Exam PDF Recently Updated Questions

1Z0-083 Exam Prep Guide: Prep guide for the 1Z0-083 Exam

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

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

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

Who should take the Oracle Database Administration II Exam Number: 1Z0-083

Oracle Database Administration II Exam Number: 1Z0-083 has is ideal for:

• DB designers and analysts
• DB Architects
• Production Database Administrators (DBAs)
• Development DBAs

 

NEW QUESTION 33
Which two are true about OS groups and users for Oracle Grid Infrastructure and the Oracle Relational Database Management System (RDBMS)? (Choose two.)

• A. The Oracle Grid Infrastructure installation must be owned by the grid user.
• B. The primary group for the Oracle Grid Infrastructure and Oracle Database owners must be the Oracle Inventory group.
• C. The Oracle Grid Infrastructure owner must have OSOPER, OSBACKUPDBA, and OSKMDBA as secondary groups.
• D. By default, members of the OSASM group can access Automatic Storage Management and RDBMS instances.
• E. The Oracle Grid Infrastructure owner owns Oracle Restart and Oracle Automatic Storage Management binaries.
• F. The same OSDBA group must be used for Automatic Storage Management and the Oracle Database.

Answer: B,E

 

NEW QUESTION 34
Choose three. Which three resources are always shared among CDB$ROOT and pluggable databases (PDBs)?

• A. temporary tablespaces
• B. SYSAUX tablespaces
• C. the Process Monitor Process (PMON)
• D. the log writer process (LGWR)
• E. the data dictionary in CDB$ROOT
• F. undo tablespaces

Answer: C,D,E

 

NEW QUESTION 35
In one of your databases, unified auditing is enabled and an SH.SALES table exists. You successfully execute these commands: SQL> CREATE AUDIT POLICY sales_pol ACTIONS select on sh.sales; SQL> AUDIT POLICY sales_pol; Which statement is true about SALES_POL?

• A. Audit records are always stored in an external audit file.
• B. Only successful queries of SH.SALES are written to the audit trail.
• C. It is only enabled for user SH.
• D. It is enabled for all users having SELECT privilege on SH.SALES.

Answer: D

 

NEW QUESTION 36
Which three are true about the SQL Tuning Advisor? (Choose three.)

• A. It only recommends syntactic changes to SQL statements.
• B. It considers all SQL statements being analyzed by the advisor task as a group.
• C. It builds SQL profiles for each poorly performing SQL statement to prevent regressions.
• D. It checks each query being analyzed for missing statistics.
• E. It checks each query being analyzed for stale statistics.
• F. It can recommend semantic changes to SQL statements.

Answer: C,D,E

 

NEW QUESTION 37
Choose three. Which three are true about OPatch ?

• A. It requires installation of Oracle Universal Installer.
• B. It supports Rolling Patching.
• C. It can be used to apply interim patches to the Grid Infrastructure and Database Home combination.
• D. It is platform independent.
• E. It must be invoked as the user that owns the software being patched.
• F. It is a Java-based utility for applying patchsets.

Answer: B,C,E

 

NEW QUESTION 38
A database is configured in ARCHIVELOG mode.
Full RMAN backups are taken and no backup to trace has been taken of the control file. A media failure has occurred.
In which two scenarios is complete recovery possible? (Choose two.)

• A. after losing an archived log from before the most recent backup
• B. after losing an archived log from after the most recent backup
• C. after losing the SYSTEM tablespace
• D. when any archived log from, before, or after the most recent backup is corrupt.
• E. after losing all copies of the control file

Answer: A,D

 

NEW QUESTION 39
Examine this output: Which two are true? (Choose two.)

• A. PDB2 is guaranteed at least 25% of the available parallel execution processes if there is enough demand.
• B. PDB3 can use all available parallel execution processes at times.
• C. PDB3 is guaranteed to receive at least 20% of the available system resources if there is enough demand.
• D. Any PDB notspecified in the plan will be able to use a maximum of 16.5% of the available system resources.
• E. PDB1 is always limited to 40% of the available system resources regardless of demand.
• F. Any PDB not specified in the plan will be unable to execute statements in parallel.

Answer: A

 

NEW QUESTION 40
For which two requirements can you use the USER_TABLESPACE clause with the CREATE PLUGGABLE DATABASE command? (Choose two.)

• A. to exclude a temp tablespace when plugging in a PDB
• B. to specify the list of tablespaces to include when creating a PDB from the CDB seed
• C. to exclude all tablespaces except SYSTEM, SYSAUX, and TEMP when plugging in a PDB
• D. to specify the list of user tablespaces to include when moving a non-CDB to a PDB
• E. to specify a default tablespace in a PDB cloned from another PDB in the same CDB.
• F. to include specific user tablespaces only when relocating a PDB

Answer: A,B

 

NEW QUESTION 41
Which three are true about opatchauto? (Choose three.)

• A. It performs a shutdown and then a restart of all processes in both Oracle Grid Infrastructure and Oracle Database home during the patching process.
• B. It must be invoked by a user with root user privileges.
• C. It is used to apply interim patches to Oracle Grid Infrastructure and Oracle Database home combinations.
• D. It applies patches in nonrolling mode by default.
• E. Patches are applied via opatchauto.
• F. Users must always input patch plans to opatchauto.
• G. It requires the Oracle Grid Infrastructure and Oracle Database instances to be shut down before being invoked.

Answer: B,E,G

 

NEW QUESTION 42
You create a table with the PERIOD FOR clause to enable the use of the Temporal Validity feature of Oracle Database 12c. Examine the table definition: create table employees (empno number, salary number, deptid number, name varchar2(100), period for employee_time); Which three statements are true concerning the use of the Valid Time Temporal feature for the EMPLOYEES table?

• A. The valid time columns are visible by default when the table is described.
• B. Setting the session valid time using DBMS_FLASHBACK_ARCHIVE.ENABLE_AT_VALID_TIME sets the visibility for data manipulation language (DML), data definition language (DDL), and queries performed by the session.
• C. The valid time columns are not populated by the Oracle Server automatically.
• D. Thesamestatementmayfilteronbothtransactiontimeandvalidtemporaltimebyusingthe AS OF TIMESTAMP and PERIOD FOR clauses.
• E. The valid time columns employee_time_start and employee_time_end are automatically created.

Answer: C,D,E

 

NEW QUESTION 43
choose two Examine these RMAN commands: RMAN> CONNECT TARGET "sbu@prod AS SYSBACKUP"; RMAN> CONNECT AUXILIARY "sbu@dup_db AS SYSBACKUP"; RMAN> DUPLICATE TARGET DATABASE TO dup_db FROM ACTIVE DATABASE PASSWORD FILE SECTION SIZE 400M; Which two statements are true about the DUPLICATE comman

• A. It succeed
• B. Itsucceeds only if the target database is greater than 40
• C. No catalogued backup of the TARGET is used to duplicate the databa
• D. It fails because no parallel channels are allocated for the auxiliary databa
• E. It fails because connection to the AUXILIARY instance must be as SYSD

Answer: A,C

 

NEW QUESTION 44
Which two are true about the Oracle dataabse methodology? (Choose two.)

• A. The database instance memory should always be tuned before tuning any file systems.
• B. The Oracle Database time model should be used to find the database and instance areas most in need of tuning.
• C. Tuning activities should stop once the user is satisfied with performance.
• D. SQL statements should always be tuned before tuning any file systems.
• E. Tuning activities should stop once agreed service levels for performance have been met.
• F. The alert log should be used to find the database and instance areas most in need of tuning.

Answer: E,F

 

NEW QUESTION 45
Oracle Managed Files (OMF) is enabled in a CDB and this command is successfully executed:

Which three are true?

• A. An application seed PDB Is created for APP1.
• B. An application root PDB is created for APP1.
• C. A default service Is created for the application root APP1.
• D. Application PDBs that are subsequently created in the APP1 application container will be cloned from APP1$SEED.
• E. APP1 can never be unplugged.
• F. Application PDBs that are subsequently created in the APP1 application container will be cloned from PDB$SEED.

Answer: B,C,D

 

NEW QUESTION 46
Which four are true about performing Tablespace Point -In-Time Recovery (TSPITR) using Recovery Manager (RMAN)?

• A. It can be performed using an auxiliary instance managed by RMAN.
• B. RMAN always includes tablespaces containing undo segments in the recovery set.
• C. flashback database must be enabled for it to work.
• D. It can be performed repeatedly until the correct time is found without using an RMAN catalog.
• E. It can be used to recover a truncated table.
• F. It can be used to recover a dropped tablespace.
• G. It can be performed using anauxiliary instance managed by a DBA.
• H. RMAN automatically adds any required tablespaces to the recovery set to make it self-contained.

Answer: A,C,D,G

 

NEW QUESTION 47
Choose two. Which two are true about the execution of operating system scripts starting from Oracle Database 19c?

• A. The root password cannot be specified in a response file.
• B. orainstRoot.sh can be executed automatically by the Database installer by using sudo or root credentials.
• C. The sudo password must be specified in a response file.
• D. root.sh can be executed automatically by the Database installer only by using sudo credentials.
• E. root.sh can be executed automatically by the Database installer only if it is provided with root credentials.

Answer: A,E

 

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

• A. FLASHBACK drop requires that the RECYCLEBIN parameter be set to ON.
• B. FLASHBACK drop requires undo to retrieve all versions of a row that existed two points in time.
• 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 version query requires that the RECYCLEBIN parameter be set to ON.
• F. FLASHBACK version query requires undo to retrieve all versions of a row that existed between two points in time.

Answer: A,C,F

 

NEW QUESTION 49
Which two are true about gathering optimizer statistics?

• A. Executing dbms_stats.gather_database_stats while connected to cdb$root gathers object statistics in all open PDBs except pdb$seed.
• B. Executing dbms_stats.gather_database_stats while connected to cdb$root gathers object statistics only in cdbSroot.
• C. Executing dbms_stats.gather_database_stats while connected to cdb$root gathers object statistics in all open pluggable databases (PDBs).
• D. System statistics can be gathered only while connected to cdb$root.
• E. Executing dbms_stats.gather_database_stats while connected to a PDBopened in read/write mode gathers object statistics for that PDB.

Answer: B,C

 

NEW QUESTION 50
Which two are true about data movement between a non-CDB and a PDB using Data Pump?

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

Answer: E,F

 

NEW QUESTION 51
Which two are true about RMAN encryption? (Choose two.)

• A. The SET ENCRYPTION command overrides encryption settings specified by the CONFIGURE ENCRYPTION command.
• B. RMAN can encrypt the Oracle Database password file.
• C. Password encryption can be persistently configured using the CONFIGURE ENCRYPTION command.
• D. RMAN encryption keys are stored in a database keystore.
• E. Dual-mode encrypted backups can be restored only if both the password and the keystore used for encryption are available.

Answer: A,E

 

NEW QUESTION 52
Which three are true about Database Point-in-Time Recovery? (Choose three.)

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

Answer: B,E,F

 

NEW QUESTION 53
Which three are true about an application seed pluggable database (PDB)? (Choose three.)

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

Answer: A,D,E

 

NEW QUESTION 54
Which two are true about automatic block repair? (Choose two.)

• A. It is not possible for media corrupt blocks.
• B. Real-Time Query must be enabled on a primary database for automatic block repair to be done on any of its physical standby databases.
• C. Real-Time Query must be enabled on a physical standby database for automatic block repair to be done on that physical standby database.
• D. Automatic block repair can repair blocks with no standby database if DB_BLOCK_CHECKING = TRUE.
• E. Real-Time Query must be enabled on a physical standby database for automatic block repair to be done on its primary database.

Answer: B,C

 

NEW QUESTION 55
You issued this command:
RMAN> BACKUP RECOVERY FILES;
Which two are true? (Choose two.)

• A. All non-Oracle files in the current FRA that have not been backed up already, are backed up.
• B. These backups can be written to disk or SBT.
• C. All Oracle recovery files in the current fast recovery area (FRA) are backed up.
• D. All Oracle recovery files in the current FRA that have not been backed up already, are backed up.
• E. All Oracle recovery files not in the current FRA that have not been backed up already, are backed up.

Answer: B,C

Explanation:
https://blog.toadworld.com/rman_-_using_the_flash_recovery_area

 

NEW QUESTION 56
Which three are true about actions that can or cannot be performed by users with the SYSBACKUP privilege?
(Choose three.)

• A. They can view data from any user-defined tables.
• B. They cannot drop tablespaces.
• C. They can drop any tablespace.
• D. They can view data from any data dictionary view or dynamic performance view.
• E. They can create any table.
• F. They cannot create restore points.

Answer: B,E

 

NEW QUESTION 57
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What is Oracle Database Administration II Exam Number: 1Z0-083 Certification Exam and Retake policy

Oracle Cloud Certification credentials are only valid for a period of 18 months from the date you earn the credential. The certification will become inactive at the end of 18 months. However, for Oracle candidates, it is necessary to hold an active certification in order to have access to various certification benefits including, using Oracle certification logos, certificates, scoring reports, digital badges, and certification verification.

To stay current, candidates have to re-certify themselves with the latest version of the exam. Oracle Cloud Certifications include various titles with levels that are Oracle Certified Associate, Specialist, and Professional. Moreover, the Oracle Cloud Certifications are updated continuously throughout the year for keeping current with major product and service releases and re-released on an annual basis with a new title.

 

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1Z0-083 Practice Exam - 279 Unique Questions: https://drive.google.com/open?id=1s8fp632tHicDV9LKwbND0MZ8Z5hbgwnQ