Authentic Best resources for 1Z0-083 Test Engine Practice Exam [2021] 1Z0-083 PDF Questions - Perfect Prospect To Go With BraindumpsVCE Practice Exam NEW QUESTION 41 Which three are true about upgrading Oracle Grid Infrastructure? (Choose three.) A. The newer version is installed in a separate Oracle Grid Infrastructure home on the same server as the existing version. B. Existing Oracle Database instances [...]

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[2021] 1Z0-083 PDF Questions - Perfect Prospect To Go With BraindumpsVCE Practice Exam

NEW QUESTION 41
Which three are true about upgrading Oracle Grid Infrastructure? (Choose three.)

  • A. The newer version is installed in a separate Oracle Grid Infrastructure home on the same server as the existing version.
  • B. Existing Oracle Database instances must be shut down before starting the upgrade.
  • C. Only the grid user can perform the upgrade.
  • D. An existing Oracle base can be used.
  • E. A direct upgrade can be performed only from the immediately preceding Oracle Grid Infrastructure version.
  • F. The upgrade process will automatically install all mandatory patches for the current version of Oracle Grid Infrastructure.

Answer: A,C,D

 

NEW QUESTION 42
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 43
Which two are true about flashback features in Oracle Database 19c and later releases? (Choose two.)

  • A. Flashback logs are monitored and proactively deleted when beyond the retention period defined in DB_FLASHBACK_RETENTION_TARGET only after there is space pressure.
  • B. Flashback logs are monitored for being older than the retentionperiod defined in DB_FLASHBACK_RETENTION_TARGET and can be deleted by an administrator written event trigger.
  • C. Flashback logs are monitored and proactively deleted when beyond the retention period defined in DB_FLASHBACK_RETENTION_TARGET before there is space pressure.
  • D. Flashback logs are automatically purged whenever the value of
    DB_FLASHBACK_RETENTION_TARGET is changed.
  • E. Flashback logs areautomatically purged when DB_FLASHBACK_RETENTION_TARGET is set lower than the time they have already been retained.

Answer: A,D

 

NEW QUESTION 44
Which three are true about Recovery Manager (RMAN) in Oracle Database 19c and later releases? (Choose three.)

  • A. A Virtual Private Catalog used to register a container database can be created in a non-container database.
  • B. It isalways possible for RMAN to connect to a pluggable database as a target if any RMAN Catalog is used.
  • 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 must 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 registera container database can be created in a pluggable database.

Answer: A,E,F

 

NEW QUESTION 45
Which three are true about thresholds, metrics, and server-generated alerts? (Choose three.)

  • A. STATISTICS_LEVEL must be set to ALL to generate alerts.
  • B. Cleared stateful alerts are displayed by querying DBA_ALERT_HISTORY.
  • C. All metrics are instance related.
  • D. Metrics are statistical counts for a specific unit.
  • E. A space usage management alert is automatically cleared after the underlying problem is resolved.
  • F. They are generated by SMON when a tablespace is 97% full.

Answer: B,D,E

Explanation:
Reference:
https://docs.oracle.com/cd/E11882_01/server.112/e41573/autostat.htm#PFGRF027 https://blogs.oracle.com/oem/how-to-clear-an-alert-v2

 

NEW QUESTION 46
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 restored only while connected to CDB$ROOT.
  • B. Data file 24 can be recovered while connected to CDB$ROOT.
  • C. Data file 24 can be recovered only while connected to PDB2.
  • D. Data file 24 can be recovered while connected to PDB2.
  • E. Data file 24 can be restored and recovered while connected to CDB$ROOT.
  • F. Data file 24 can be restored only while connected to PDB2.

Answer: A,B,E

 

NEW QUESTION 47
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. Add the FILE_NAME_CONVERT clause to the statement and set the PDB_FILE_NAME_CONVERT parameter.
  • D. Set only the PDB_FILE_NAME_CONVERT parameter.
  • E. Enable only OMF.
  • F. Set the PDB_FILE_NAME_CONVERT parameter and enable OMF.

Answer: A,E,F

 

NEW QUESTION 48
Which three are true about actions that can or cannot be performed by users with the SYSBACKUP privilege?
(Choose three.)

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

Answer: A,E

 

NEW QUESTION 49
Oracle Managed Files (OMF) is enabled in a CDB and this command is successfully executed:

Which three are true?

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

Answer: B,E,F

 

NEW QUESTION 50
Examine this configuration:
CDB1 is a container database.
COMMON_USER_PREFIX is C##.
PDB1 is a pluggable database contained in CDB1.
APP1_ROOT is an application container contained in CDB1.
APP1_PDB1 is an application PDB contained in APP1_ROOT.
You execute these commands successfully:

Which two are true? (Choose two.)

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

Answer: A,B

 

NEW QUESTION 51
A database is configured in archivelog mode.
Full RMAN backups are taken daily 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?

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

Answer: E

 

NEW QUESTION 52
Which three are true about the FLASHBACK DATABASE feature? (Choose three.)

  • A. It always generates REDO and UNDO.
  • B. It requires that the target database be in ARCHIVELOG mode.
  • C. FLASHBACK DATABASE only uses FLASHBACK LOGS to get the database to the desired flashback time.
  • D. FLASHBACK LOGS are archived after a log switch.
  • E. Queries and DML have the same FLASHBACK LOG overhead when flashback is enabled for a database.
  • F. A database can be flashed back using SQL*PLUS.

Answer: B,E,F

 

NEW QUESTION 53
Examine this configuration:
1. CDB1 is a container database.
2. APP_ROOT is an application root in CDB1.
3. APP_PDB1 is an application PDB in APP_ROOT.
4. FLASHBACK DATABASE is ON.
You execute these commands:
Which table or set of tables will exist after the Flashback operation has completed?

  • A. none of the tables, because all three tables will be dropped
  • B. CDB1_TAB, APP_ROOT_TAB, and APP_PDB1_TAB
  • C. CDB1_TAB and APP_PDB1_TAB
  • D. CDB1_TAB and APP_ROOT_TAB
  • E. CDB1_TAB only

Answer: B

 

NEW QUESTION 54
You have configured RMAN SBT channels to write backups to media.
You then take an RMAN backup by using this command:

Which three are true?

  • A. The restore point is a label for the system change number (SCN) that will be saved two years after the archival backup was taken.
  • B. The data file backups in the self-contained archive backup are not considered obsolete for two years regardless of the retention policy.
  • C. All archive logs created after this backup are kept for two years.
  • D. The restore point is a label for the system change number (SCN) before the archival backup was taken.
  • E. The spfile is included in the self-contained archival backup.
  • F. The control file is included in the self-contained archival backup.

Answer: C,D,F

 

NEW QUESTION 55
Which three are true? (Choose three.)

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

Answer: B,C,D

 

NEW QUESTION 56
Which two are true about the Program Global Area (PGA) and its management in an Oracle database instance? (Choose two.)

  • A. The private SQL area (UGA) is located in the System Global Area (SGA) when using dedicated servers.
  • B. The private SQL area (UGA) is located in the System Global Area (SGA) when using shared servers.
  • C. Sorts and Hash Joins use PGA memory.
  • D. PGA_AGGREGATE_LIMIT is a hard limit on the PGA size for any one session.
  • E. The entire PGA is located in the System Global Area (SGA) when using shared servers.

Answer: A,D

 

NEW QUESTION 57
Which three are true about SGA memory management in a multitenant database? (Choose three.)

  • A. Setting SHARED_POOL_SIZE for a PDB guarantees a minimum amount of Shared Pool memory for that PDB.
  • B. Setting SGA_TARGET for a PDB guarantees a minimum amount of SGA memory for that PDB.
  • C. SGA_MIN_SIZE cannot be set for a PDB.
  • D. The SHARED_POOL_SIZE setting for a PDB can be up to 80% of the SHARED_POOL_SIZE setting of the root container.
  • E. The SGA_TARGET setting for a PDB cannot exceed 50% of the SGA_TARGET value of the root container.
  • F. Setting DB_CACHE_SIZE for a PDB guarantees a minimum amount of Database Buffer Cache memory for that PDB.

Answer: A,B,C

 

NEW QUESTION 58
Which two are true about the Oracle dataabse methodology? (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 agreed service levels for performance have been met.
  • C. The alert log should be used to find the database and instance areas most in need of tuning.
  • D. SQL statements should always be tuned before tuning any file systems.
  • E. Tuning activities should stop once the user is satisfied with performance.
  • F. The database instance memory should always be tuned before tuning any file systems.

Answer: A,D

 

NEW QUESTION 59
Which three are true about Automatic Workload Repository (AWR), Automatic Database Diagnostic Monitor (ADDM), and the Manageability Monitor (MMON) background process? (Choose three.)

  • A. ADDM can recommend extending the buffer cache.
  • B. ADDM performs its analysis only when a DBA requests it.
  • C. ADDM can recommend shrinking the buffer cache.
  • D. By default, MMON creates an AWR snapshot every 30 minutes.
  • E. By default, AWR snapshots are automatically purged after eight days.
  • F. AWR snapshots must be deleted when no longer required by ADDM.

Answer: C,E,F

 

NEW QUESTION 60
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 re-create '/u02/app/oracle/fast_recover_area/cdb1/CDB1/controlfile02.ctl'
  • B. It will create '/u01/app/oracle/product/12.2.0.1/db_1/dbs/snapcf_cdb1control02.ctl'.
  • C. It will create '$ORACLE_HOME/dbs/cdb1/CDB1/controlfile02.ctl'
  • D. It will create '/u01/app/oralce/oradata/CDB1/controlfile/controlfile02.ctl'.
  • E. It will fail because there is no autobackup of the controlfiles.

Answer: A

 

NEW QUESTION 61
Which three can be done using Oracle Database Configuration Assistant (DBCA) starting from Oracle Database 19c? (Choose three.)

  • A. relocating a remote pluggable database in interactive mode
  • B. relocating a remote container database in interactive mode
  • C. cloning a remote container database in interactive mode
  • D. cloning a remote container database in silent mode
  • E. cloning a remote pluggable database in silent mode
  • F. relocating a remote container database in silent mode
  • G. relocating a remote pluggable database in silent mode

Answer: A,D,G

 

NEW QUESTION 62
You issued this command:
RMAN> BACKUP RECOVERY FILES;
Which two are true?

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

Answer: B,C

 

NEW QUESTION 63
Which three methods can be used for heap table data migration after upgrading a database? (Choose three.)

  • A. using Database Replay
  • B. using operating system file copy utilities
  • C. using SQL Developer
  • D. using Oracle Data Pump
  • E. using the CREATE TABLE AS SELECT SQL statement
  • F. using Database Upgrade Assistant

Answer: D,E,F

Explanation:
Explanation
https://www.oracle.com/a/tech/docs/twp-upgrade-oracle-database-19c.pdf

 

NEW QUESTION 64
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 restored only while connected to PDB2.
  • B. Data file 24 can be restored only while connected to CDB$ROOT.
  • C. Data file 24 can be recovered while connected to CDB$ROOT.
  • D. Data file 24 can be recovered only while connected to PDB2.
  • E. Data file 24 can be recovered while connected to PDB2.
  • F. Data file 24 can be restored and recovered while connected to CDB$ROOT.

Answer: A,C,F

 

NEW QUESTION 65
......

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