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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:
- Using Flashback Technologies
- Diagnosing Failures
- Duplicating a Database
- Transporting Data
- Creating an Oracle Database by using DBCA
- RMAN Troubleshooting and Tuning
- Oracle Database: Deploy, Patch and Upgrade Workshop
- Restore and Recovery Concepts
- Performing Recovery
- Patching Grid Infrastructure and Oracle Database
NEW QUESTION 59
Which two are true about creating RMAN backups for an Oracle container database? (Choose two.)
- A. Control file backups can be created while connected to the root container.
- B. The BACKUP TABLESPACE command can back up a PDB tablespace even if RMAN is connected to CDB$ROOT.
- C. Online Redo Log backups can be created while connected to the root container.
- D. Archived Redo Log backups can be created while connected to an application root CDB.
- E. Control file backups can be created while connected to a nonroot container.
Answer: D,E
NEW QUESTION 60
Which three are true about an application seed pluggable database (PDB)?
- A. It cannot be added to an application container after the application container has already been created.
- B. It is automatically synchronized with its application root PDB when an application is installed.
- C. It Is automatically synchronized with its application root PDB when an application is upgraded.
- D. A new application PDB created by cloning an application seed PDB can have an up-to-date version of the application installed after cloning completes.
- E. A new application PDB created by cloning an application seed PDB can have an old version of the application installed after cloning completes.
- F. It is not required in an application container.
- G. It cannot be dropped from its application container.
Answer: A,B,D,E
NEW QUESTION 61
Which two are true about gathering optimizer statistics? (Choose two.)
- A. Executing DBMS_STATS.GATHER_DATABASE_STATS while connected to CDB$ROOT gathers object statistics only in CDB$ROOT.
- B. Executing DBMS_STATS.GATHER_DATABASE_STATS while connected to CDB$ROOT gathers object statistics in all open PDBs except PDB$SEED.
- C. Executing DBMS_STATS.GATHER_DATABASE_STATS while connected to CDB$ROOT gathers object statistics in all open pluggable databases (PDBs)
- D. System statistics can be gathered only while connected to CDB$ROOT.
- E. Executing DBMS_STATS.GATHER_DATABASE_STATS while connected to a PDB opened in read/write mode gathers object statistics for that PDB.
Answer: C,E
Explanation:
Explanation
https://mikedietrichde.com/2016/10/21/gather-fixed-objects-stats-in-pdbs-as-well/#:~:text=Yes%2C%20you'll%2
.
NEW QUESTION 62
Which two are true about the execution of operating system scripts starting from Oracle Database 19c?
(Choose two.)
- A. root.shcan be executed automatically by the Database installer only by using sudocredentials.
- B. root.shcan be executed automatically by the Database Installer only if it is provided with root credentials.
- C. The sudopassword must be specified in a response file.
- D. The rootpassword cannot be specified in a response file.
- E. orainstRoot.shcan be executed automatically by the Database installer by using sudoor root credentials.
- F. The sudopassword can be specified in a response file.
Answer: D,E
Explanation:
Explanation
NEW QUESTION 63
A schema owner truncated a table in error and must recover the data.
Which Oracle Flashback feature could be used to recover the data?
- A. FLASHBACK VERSION QUERY
- B. FLASHBACK TRANSACTION
- C. FLASHBACK DATA ARCHIVE
- D. FLASHBACK DATABASE
- E. FLASHBACK TABLE
Answer: A
NEW QUESTION 64
Which two are true about RMAN duplexed backup sets? (Choose two.)
- A. They can be created only by using the COPIES option of a BACKUP command.
- B. They can be written to media.
- C. They can be created by using the RMAN CONFIGURE command to specify duplexing before taking a backup.
- D. They must be written to media.
- E. They can be written only to disk.
Answer: A,B
NEW QUESTION 65
Which two are true about creating RMAN backups for an Oracle container database?
- A. The backup pluggable database command can be used to back up cdb$root.
- B. The backup database plus archivelog command will back up archive logs when RMAN is connected to a PDB.
- C. spfile backups can be created while connected to an application root PDB.
- D. The backup database command will create a pluggable database (PDB) backup when RMAN is connected to a PDB.
- E. Tablespaces from different PDBs with identical names must be backed up by connecting RMAN separately to each PDB to back up the tablespaces.
Answer: B,D
NEW QUESTION 66
Your SALES_ROOT application container has two application PDBs.
The SALES_APP application has a common table, FIN.REVENUE, in the two PDBs.
Examine this query and its output:
Which two are true? (Choose two.)
- A. The REVENUE table must be a list-partitioned table.
- B. The CONTAINERS clause cannot be used in queries on the REVENUE table.
- C. The REVENUE table partitions are not pruned across the PDBs automatically.
- D. A container map exists for the REVENUE table, but is not enabled.
- E. The MAPTABLE tables defines a logical partition key on a commonly used column for the REVENUE table.
- F. The MAPTABLE table is a metadata-linked table.
Answer: C,E
NEW QUESTION 67
Which three are true? (Choose three.)
- A. Application-common TSDP policies are always container specific.
- B. Virtual Private Database (VPD) policies on objects in an application root are automatically synchronized with all application PDBs contained in the application container.
- C. Application-common OLS policies can be created in an application root inside an 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. Unified auditing can be automatically synchronized to all application PDBs in an application container.
- F. Application-common Transparent Security Data Protection (TSDP) policies can be created only within an application install/patch BEGIN-END block.
- G. Fine-grained auditing (FGA) policies in an application root are automatically synchronized to all application PDBs contained in the application container.
Answer: B,E,F
NEW QUESTION 68
Which three are true about Automatic Workload Repository (AWR) snapshots? (Choose three.)
- A. They are generated if STATISTICS_LEVEL is set to BASIC.
- B. They are generated if STATISTICS_LEVEL is set to ALL.
- C. They are always created automatically.
- D. They are generated if STATISTICS_LEVEL is set to TYPICAL.
- E. They are always created manually.
- F. They can be retained forever.
Answer: A,C,D
NEW QUESTION 69
Which two are true about the execution of operating system scripts starting from Oracle Database 19c?
(Choose two.)
- A. The root password cannot be specified in a response file.
- B. The sudo password must be specified in a response file.
- C. root.sh can be executed automatically by the Database installer only by using sudo credentials.
- D. The sudo password can be specified in a response file.
- E. orainstRoot.sh can be executed automatically by the Database installer by using sudo or root credentials.
- F. root.sh can be executed automatically by the Database Installer only if it is provided with root credentials.
Answer: A,E
NEW QUESTION 70
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$ROOT.
Which three are true? (Choose three.)
- A. Data file 24 can be restored and recovered while connected to CDB$ROOT.
- B. Data file 24 can be recovered while connected to PDB2.
- C. Data file 24 can be recovered only while connected to PDB2.
- D. Data file 24 can be restored only while connected to CDB$ROOT.
- E. Data file 24 can be restored only while connected to PDB2.
- F. Data file 24 can be recovered while connected to CDB$ROOT.
Answer: A,E,F
NEW QUESTION 71
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 owner must have OSOPER, OSBACKUPDBA, and OSKMDBA as secondary groups.
- B. The Oracle Grid Infrastructure owner owns Oracle Restart and Oracle Automatic Storage Management binaries.
- C. The same OSDBA group must be used for Automatic Storage Management and the Oracle Database.
- D. The Oracle Grid Infrastructure installation must be owned by the grid user.
- E. The primary group for the Oracle Grid Infrastructure and Oracle Database owners must be the Oracle Inventory group.
- F. By default, members of the OSASM group can access Automatic Storage Management and RDBMS instances.
Answer: A,C
NEW QUESTION 72
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. The upgrade process will automatically install all mandatory patches for the current version of Oracle Grid Infrastructure.
- D. Only the grid user can perform the upgrade.
- E. An existing Oracle base can be used.
- F. A direct upgrade can be performed only from the immediately preceding Oracle Grid Infrastructure version.
Answer: B,C,D
Explanation:
Reference:
https://docs.oracle.com/database/121/CWLIN/procstop.htm#CEGEDCDB
NEW QUESTION 73
Which three are true about transporting databases across platforms using Recovery Manager (RMAN) image copies? (Choose three.)
- A. Data files can be converted on the source system.
- B. Data files can be converted on the destination system.
- C. Databases can be transported between systems with different endian formats.
- D. A new DBID is automatically created for the transported database.
- E. The password file is automatically converted by RMAN.
- F. By default, the transported database will use Oracle Managed Files (OMF)
Answer: A,C,E
Explanation:
Explanation
Password file is automatically converted by RMAN.
NEW QUESTION 74
Which three are true about Optimizer Statistics Advisor? (Choose three.)
- A. It is part of the DBMS_ADVISOR package.
- B. It is part of the DBMS_STATS package.
- C. It can recommend changes to improve the statistics gathering process.
- D. It runs automatically every night by default.
- E. It can be run only manually.
- F. It always analyzes all schemas in the database.
Answer: B,C,D
Explanation:
Explanation
https://mikedietrichde.com/2017/08/22/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 75
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