Oracle 1z0-083 ExamOracle Database Administration II

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NEW QUESTION 1
Which two are true about the Oracle dataabsemethodology? (Choose two.)

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

Answer: CF

NEW QUESTION 2
How do you configure a CDB for local undo mode?

  • A. Open the CDB instance in upgrade mod
  • B. In cdb$root, execute alter database local undo on, and then restart the CDB instance.
  • C. Open the CDB in read-only mod
  • D. In cdb$root, execute alter database local undo on, and then change the CDB to read/write mode.
  • E. Open the CDB instance in restricted mod
  • F. In cdb$root, execute alter database local undo o
  • G. create an undo tablespace in each PDB, and then restart the CDB instance
  • H. Open the CDB instance in restricted mod
  • I. In cdb$root, drop the undo tablespac
  • J. Execute alter database local undo on in each PDB, and then restart the CDB instance.
  • K. Open the CDB instance in upgrade mod
  • L. In each PDB, execute alter database local undo on, create an undo tablespace, and then restart the CDB instance.

Answer: D

NEW QUESTION 3
Which three are true about Database Point-in-Time Recovery? (Choose three.)

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

Answer: BDF

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

NEW QUESTION 4
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 5
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 6
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 7
Application PDBs, SALES_APP1 and SALES_APP2, must be created and they must access common tables of the SALES_APP application.
Examine these steps:
* 1. Install the SALES_APP application, including the commontables, in the application root.
* 2. Install the SALES_APP application in the application root and the common tables in both the CDB root and the application root.
* 3. Create an application seed.
* 4. Install the SALES_APP application in the application seed.
* 5. Create the SALES_APP1 and SALES_APP2 application PDBs.
* 6. Sync the SALES_APP1 and SALES_APP2 application PDBs with the application root.
* 7. Sync the SALES_APP1 and SALES_APP2 application PDBs with the application seed.
* 8. Sync the application seed withthe application root.
Which are the minimum required steps in the correct sequence?

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

Answer: B

NEW QUESTION 8
Examine the command for creating pluggable database PDB2 in container database CDB2.
1Z0-083 dumps exhibit
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 9
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 10
Which three are true about performing an Oracle Database install on Linux? (Choose three.)

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

Answer: CEG

NEW QUESTION 11
Which two are true about the Automatic Database Diasnostic Monitor (ADDM)? (Choose two.)

  • A. It analyzes a period of time corresponding to the 12 hours of activity.
  • B. It runs automatically after each AWR snapshot.
  • C. A DBA can run it manually.
  • D. Results are written to the alert log.
  • E. It analyzes a period of time corresponding to the last day of activity.

Answer: BC

NEW QUESTION 12
Which three are true about requirements for various FLASHBACK operations? (Choose three.)

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

Answer: ABF

NEW QUESTION 13
Which two are true about data movement between a non-CDB and a PDB using Data Pump? (Choose two.)

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

Answer: DE

NEW QUESTION 14
Which three are true about the SQL Tuning Advisor? (Choose three.)

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

Answer: ABF

NEW QUESTION 15
Examine this configuration:
1Z0-083 dumps exhibit CDB1is a container database.
1Z0-083 dumps exhibit COMMON_USER_PREFIXisC##.
1Z0-083 dumps exhibit PDB1is a pluggable database contained inCDB1.
1Z0-083 dumps exhibit APP1_ROOTis an application container contained inCDB1.
1Z0-083 dumps exhibit APP1_PDB1is an application PDB contained inAPP1_ROOT.
You execute these commands successfully:
1Z0-083 dumps exhibit
Which two are true? (Choose two.)

  • A. APP1_USER1 can be created in PDB1.
  • B. APP1_USER1 can be created in CDB1.
  • C. APP1_USER1 canhave different privileges in each Application PDB contained in APP1_ROOT.
  • D. C##_APP_USER1 can be created in CDB1.
  • E. P1_USER1 can be created in CDB1.
  • F. C##_USER1 will have the same privileges and roles granted in all PDBs in CDB1.

Answer: CF

NEW QUESTION 16
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 17
Which two are true about Oracle Flashback features? (Choose two.)

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

Answer: DE

NEW QUESTION 18
Which two are true about diagnosing Oracle Database failure situations using Data Recovery Advisor? (Choose two.)

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

Answer: DE

NEW QUESTION 19
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 20
Which two are true about server-generated alerts? (Choose two.)

  • A. Stateful alerts must be created by a DBA after resolving the problem.
  • B. Stateless alerts can be purged manually from the alert history.
  • C. Stateless alerts can be cleared manually.
  • D. Stateless alerts are automatically cleared.
  • E. Stateful alerts are purged automatically from the alert history.

Answer: BC

Explanation:
Except for the tablespace space usage metric, which is database related, the other metrics are instance related. Threshold alerts are also referred to as stateful alerts which are automatically cleared when an alert condition clears. Stateful alert appears in DBA_OUTSTANDING_ALERTS and when cleared go to DBA_ALERT_HISTORY. Other server-generated alerts correspond to specific database events such as
ORA-* errors, "Snapshot too old" errors, Recovery Area Low on Free Space, Resumable Session Suspended. These are non threshold based alerts, also referred to as stateless alerts. Stateless alerts go directly to the History table. +++ Most alerts (such as "Out of Space") are cleared automatically when the cause of the problem disappears. However, other alerts (such as generic alert log errors) are sent to you for notification and must be acknowledged by you. After taking the corrective measures, you acknowledge an alert by clearing or purging it. Clearing an alert sends the alert to the Alert History which is accessible from Monitoring sub menu. Purging an alert removes it from the Alert History.

NEW QUESTION 21
Examine these queries and their output:
1Z0-083 dumps exhibit
An online RMAN backup of the CDB was taken an hour before Restore Point R1 was created. You want to
recover PDB1 toRestore Point R1. How do you achieve this?

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

Answer: B

NEW QUESTION 22
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? (Choose three.)

  • A. Data file 24 can be recovered only while connected to PDB2.
  • B. Data file 24 can be restored and recovered while connected to CDB$ROOT.
  • C. Data file 24 can be restored only while connected toCDB$ROOT.
  • 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: BCF

NEW QUESTION 23
Which four are true about RMAN backup sets? (Choose four.)

  • A. A backup piece can belong to only one backup set.
  • B. A data file can be split into multiple sections stored in different backup sets.
  • C. A data file canbe split into multiple sections stored in different backup pieces in the same backup set.
  • D. Blocks from multiple data files can be contained in one backup piece,
  • E. A backup set can contain only one backup piece.
  • F. A backup set must be written to media.
  • G. A backup set must be written to disk.
  • H. Blocks from multiple data files can be contained in one backup set,

Answer: BEFH

NEW QUESTION 24
......

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