The Up To The Immediate Present Guide To 1z0-083 Dump

NEW QUESTION 1
Which two are true about RMAN duplexed backup sets? (Choose two.)

• A. A duplexed backup set uses the same number of SBT channels as a non-duplexed backup set for the same number of files.
• B. A non-duplexed backup set written to disk can be duplexed to disk bybacking up the backup set that is already on disk.
• C. A non-duplexed backup set written to SBT can be duplexed to tape by backing up the backup set that is already on tape.
• D. A non-duplexed backup set written to disk can be duplexed to tape by backing upthe backup set that is already on disk.
• E. A non-duplexed backup set written to SBT can be duplexed to disk by backing up the backup set that is already on tape.
• F. A duplexed backup set always uses twice as many SBT channels as a non-duplexedbackup set for the same number of files.

Answer: DF

NEW QUESTION 2
Which two are true about SQL Performance Analyzer (SPA)? (Choose two.)

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

Answer: BD

NEW QUESTION 3
Which three are true about Automatic Workload Repository (AWR)? (Choose three.)

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

Answer: ABD

NEW QUESTION 4
Which three actions are performed by Database Upgrade Assistant (DBUA)? (Choose three.)

• A. It recompiles all stored PL/SQL code by using utlrp.sql.
• B. It empties the RECYCLE BIN.
• C. It performs prerequisite checks to verify if the Oracle database is ready for upgrade.
• D. It sets all user tablespaces to “read-only” before starting theupgrade.
• E. It removes the AUDSYS schema and the AUDIT_ADMIN and AUDIT_VIEWER roles
• F. It increases tablespace size, if required, to meet upgrade requirements.

Answer: ACF

NEW QUESTION 5
You issued this command:
RMAN> BACKUP RECOVERY FILES;
Which two are true? (Choose two.)

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

Answer: DE

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

NEW QUESTION 6
Which three are true about monitoring waits for sessions and services? (Choose three.)

• A. V$SESSION_EVENT displays all waits for all past and existing sessions if the wait has occurred at least once for a session.
• B. V$SERVICE_EVENT displays all waits for all services if the wait has occurred at least once for a service.
• C. V$SESSION_WAIT_CLASS displays waits broken down by wait class only for waiting sessions.
• D. V$SESSION_WAIT and V$SESSION both contain details of the event on which a non-waiting session last waited.
• E. V$SESSION_EVENT displays all waits for all past sessions if the wait has occurred at least once for a session.
• F. V$SESSION_WAIT and V$SESSION both contain details of the event on which a session is currently waiting.

Answer: BDE

NEW QUESTION 7
Which three are true about transporting databases across platforms usingRecovery Manager (RMAN) image copies? (Choose three.)

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

Answer: BCE

Explanation:
Password file is automatically converted by RMAN.

NEW QUESTION 8
Which three are true about Optimizer Statistics Advisor? (Choose three.)

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

Answer: ACF

Explanation:
https://mikedietrichde.com/2021/08/22/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 9
Which three are true about Audit policies In container databases (CDBs)?

• A. All audit records are written to the audit trail in CDB$ROOT
• B. A common unified audit policy can be created at the application root level.
• C. A common unified audit policy can be created at the CDB level.
• D. An application PDB cannot have a local audit policy.
• E. Fine-grained auditing policies defined in an application root must be manually synchronized by each application PDB contained in the application root.
• F. Application-common unified audit policies defined In an application root must be manually synchronized by each application PDB contained in the application root.

Answer: DEF

NEW QUESTION 10
Which two are true about OS groups and users for OracleGrid Infrastructure and the Oracle Relational Database Management System (RDBMS)? (Choose two.)

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

Answer: EF

NEW QUESTION 11
A user complains about poor database performance.
You want to verify if the user’s session has waited for certain types of I/O activity. Which view displays all waits waited on by a session at least once?

• A. V$SESSION_EVENT
• B. V$SESSTAT
• C. V$SESSION_WAIT
• D. V$SESSION_WAIT_CLASS
• E. V$SESSION

Answer: A

NEW QUESTION 12
Automatic Shared Memory Management is disabled for one of your database instances.
SomeSQL statements perform poorly due to excessive hard parse activity, thereby degrading performance. What would be your next step?

• A. Run the SQL Access Advisor.
• B. Run the Memory Advisor for the shared pool.
• C. Run the SQL Tunning Advisor.
• D. Run theMemory Advisor for the Program Global Area.
• E. Run the Memory Advisor for the System Global Area.

Answer: B

NEW QUESTION 13
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 can be used even if no RMAN compression is configured.
• B. Any backup set written to the SBT device in this configuration can contain a maximum of two backup pieces.
• C. Any backup written to the SBT device in this configuration can contain a maximum of two backup sets.
• D. SBT tape compression and RMAN backup compression should be used in parallel.
• E. The SBT device should be configured to use PARALLELISM 2 to allow both tape drive to be used simultaneously.

Answer: DE

NEW QUESTION 14
Which three are true in Oracle 19c and later releases? (Choose three.)

• A. If the password file location changes, then the new location is used automatically by the Oracle Server.
• B. Schema Only accounts can be granted administrator privileges.
• C. All the Oracle-supplied accounts are Schema Only accounts.
• D. Privilege Analysis is included in Oracle Enterprise Edition and no longer requires Database Vault.
• E. Unified Auditing can be configured to audit only events that are issued indirectly by an audited user.
• F. Unified Auditing can be configured to audit only events that are issued directly by an audited user.

Answer: BCD

NEW QUESTION 15
While backing up to an SBT channel, you determine that the read phase of your compressed Recovery Manager (RMAN) incremental level 0 backup is a bottleneck.
FORCE LOGGING is enabled for the database.
Which two could improve read performance? (Choose two.)

• A. Increase the size of tape I/O buffers.
• B. Disable FORCE LOGGING for the database.
• C. Increase the size of the database buffer cache.
• D. Enable asynchronous disk I/O.
• E. Increase the level of RMAN multiplexing.

Answer: DE

NEW QUESTION 16
Which three are true? (Choose three.)

• A. Virtual Private Database (VPD) policies on objects in an application root are automatically synchronized with all application PDBs containedin the application container.
• B. Application-common TSDP policies are always container specific.
• C. Application-common Transparent Security Data Protection (TSDP) policies can be created only within an application install/patch BEGIN-END block.
• D. Application-common Oracle Label Security (OLS) policies cannot be created in an application root outside an install/patch BEGIN-END block.
• E. Fine-grained auditing (FGA) policies in an application root are automatically synchronized to all application PDBs contained in the application container.
• F. Application-common OLS policies can be created in an application root inside an install/patch BEGIN-ENDblock.
• G. Unified auditing can be automatically synchronized to all application PDBs in an applicationcontainer.

Answer: ADG

NEW QUESTION 17
Which three are true about an application seed pluggable database (PDB)? (Choose three.)

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

Answer: DFG

NEW QUESTION 18
Which two are true about duplicating pluggable databases (PDBs) with RMAN? (Choose two.)

• A. Two or more PDBs can be duplicated with the same RMAN DUPLICATE command.
• B. All tablespaces belonging to a PDB must be duplicated when duplicating the PDB.
• C. The auxiliary instance is automatically created with ENABLE_PLUGGABLE_DATABASE = TRUE.
• D. A user with SYSDBA or SYSBACKUP must be logged in with RMAN to the PDB to duplicate it.
• E. CDB$ROOT and PDB$SEED are automatically duplicated.

Answer: CD

NEW QUESTION 19
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 the FILE_NAME_CONVERT clause to the statement and set the PDB_FILE_NAME_CONVERT parameter.
• B. Addonly the CREATE_FILE_DEST clause to the statement.
• C. Set only the PDB_FILE_NAME_CONVERT parameter.
• D. Set the PDB_FILE_NAME_CONVERT parameter and enable OMF.
• E. Enable only OMF.
• F. Add the FILE_NAME_CONVERT clause to the statement and enable OracleManaged Files (OMF)

Answer: BDE

NEW QUESTION 20
Which three are true about backup, restore, and recovery operations done without using Recovery Manager (RMAN)? (Choose three.)

• A. Backing up a database in NOARCHIVELOG mode using O/S utilities requires that the database instance bestarted and the dataabse be in the MOUNT state.
• B. Backing up a database in ARCHIVELOG mode using O/S utilities requires that the database instance be started and the database be in MOUNT state.
• C. An Oracle database can be restored from backup files copied using O/S utilities.
• D. Oracle data file backups, copied using an O/S utility, can be added to the RMAN catalog as IMAGE COPIES.
• E. Backing up a database in NOARCHIVELOG mode using O/S utilities requires that the database instance be shut down.
• F. Oraclearchive log backups, copied using an O/S utility, can be added to the RMAN catalog as a backup set.
• G. Backing up a database in ARCHIVELOG mode using O/S utilities requires that the database instance be started and the database be in OPEN state.

Answer: BDE

NEW QUESTION 21
Which two are true about creating RMAN backups for an Oracle container database? (Choose two.)

• A. Tablespaces from different PDBs with identical names must be backed up by connecting RMAN separately to each PDB to back up the tablespaces.
• B. The BACKUP DATABASE command will create a pluggable database (PDB) backup when RMAN is connected to a PDB.
• C. SPFILEbackups can be created while connected to an application root PDB.
• D. The BACKUP DATABASE PLUS ARCHIVELOG command will back up archive logs when RMAN is connected to a PDB.
• E. The BACKUP PLUGGABLE DATABASE command can be used to back up CDB$ROOT.

Answer: AB

NEW QUESTION 22
Which two are true aboutcommon objects? (Choose two.)

• A. They can be created only in CDB$ROOT.
• B. They can be only metadata-linked in an application container.
• C. They can exist in user-defined schemas only in application containers.
• D. They can exist in CDB$ROOT and an application root.
• E. They can be extended data-linked in CDB$ROOT.
• F. They can be created only in an application root.

Answer: CF

NEW QUESTION 23
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