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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:
- Restore and Recovering Databases with RMAN
- Install Oracle Database software
- Upgrading to Oracle Grid Infrastructure - Oracle Database: Deploy, Patch and Upgrade Workshop
- Perform Non RMAN database recovery
- Patching Grid Infrastructure and Oracle Database - Oracle Database: Deploy, Patch and Upgrade Workshop
- Interpret the RMAN message output
- Install Grid Infrastructure for a Standalone server
- Upgrade Oracle Grid Infrastructure
- RMAN Troubleshooting and Tuning - Oracle Database: Backup and Recovery Workshop
- Install Grid Infrastructure and Oracle Database - Oracle Database: Deploy, Patch and Upgrade Workshop
- Patch Grid Infrastructure and Oracle Database
- Transport Data
- Diagnose RMAN performance issues
- Transporting Data - Oracle Database: Backup and Recovery Workshop
- Performing Recovery - Oracle Database: Backup and Recovery Workshop
NEW QUESTION 50
Automatic Shared Memory Management is disabled for one of your database instances.
Some SQL statements perform poorly due to excessive hard parse activity, thereby degrading performance.
What would be your next step?
- A. Run the Memory Advisor for the Program Global Area.
- B. Run the SQL Tuning Advisor.
- C. Run the SQL Access Advisor.
- D. Run the Memory Advisor for the System Global Area.
- E. Run the Memory Advisor for the shared pool.
Answer: D
NEW QUESTION 51
Which four are true about RMAN backup sets?
- A. A data file can be split into multiple sections stored in different backup pieces in the same backup set.
- B. A backup set must be written to media.
- C. A backup set can contain only one backup piece.
- D. Blocks from multiple data files can be contained in one backup piece.
- E. Blocks from multiple data files can be contained in one backup set.
- F. A backup set must be written to disk.
- G. A backup piece can belong to only one backup set.
- H. A data file can be split into multiple sections stored in different backup sets.
Answer: A,D,F,H
NEW QUESTION 52
Which three are located by using environment variables? (Choose three.)
- A. the maximum number of database files that can be opened by a database instance
- B. default directories for temporary files used by temporary tablespaces
- C. the list of a disk group names to be mounted by an Oracle Automatic Storage Management (ASM) instance at startup
- D. the location of Oracle Net Services configuration files
- E. the Optimal Flexible Architecture (OFA) compliant path to store Oracle software and configuration files.
- F. the temporary disk space used by Oracle Installer during installation
Answer: D,E,F
NEW QUESTION 53
Which three are true about Oracle Grid Infrastructure for a Standalone Server?
- A. It requires Oracle ASM Filter Driver (ASMFD) to manage Automatic Storage Management (ASM) disks
- B. It requires the operating system oracle_base environment variable to be predefined before installation.
- C. It requires Oracle ASMLibto manage Automatic Storage Management (ASM) disks.
- D. It creates one disk group during installation.
- E. Automatic Storage Management (ASM) requires that O/S groups OSASM and OSDBA be assigned as secondary groups for its installation owner.
- F. It includes both Oracle Restart and Oracle Automatic Storage Management (ASM) software.
Answer: A,D,F
NEW QUESTION 54
Which three are true about performing an Oracle Database install on Linux?
- A. The Oracle database administrator must be granted access to the root operating system account to run root privileged scripts.
- B. It allows you to select the languages supported by the Oracle database server.
- C. The Oracle Preinstallation RPM must be used to configure the Oracle database installation owner, the Oracle Inventory group, and an Oracle administrative privileges group.
- D. It can be done before installing Grid Infrastructure for a Standalone Server.
- E. The Oracle PreinstallationRPMcan 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 runfixup.sh script can install missing RPMs.
Answer: B,C,D
NEW QUESTION 55
For which two requirements can you use the USER_TABLESPACE clause with the CREATE PLUGGABLE DATABASE command? (Choose two.)
- A. to specify the list oftablespaces to include when creating a PDB from the CDB seed
- B. to exclude a temp tablespace when plugging in a PDB
- C. to specify the list of user tablespaces to include when moving a non-CDB to a PDB
- D. to specify a default tablespace in a PDB cloned from another PDB in the same CDB.
- E. to include specific user tablespaces only when relocating a PDB
- F. to exclude all tablespaces except SYSTEM, SYSAUX, and TEMPwhen plugging in a PDB
Answer: A,B
NEW QUESTION 56
Which three are true about Optimizer Statistics Advisor? (Choose three.)
- A. It is part of the DBMS_STATS package.
- B. It always analyzes all schemas in the database.
- C. It is part of the DBMS_ADVISOR package.
- D. It can recommend changes to improve the statistics gathering process.
- E. It runs automatically every night by default.
- F. It can be run only manually.
Answer: A,D,F
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 Reference:
https://oracle-base.com/articles/12c/optimizer-statistics-advisor-12cr2
NEW QUESTION 57
Which four are true about a Recovery Manager (RMAN) duplication without a TARGET connection? (Choose four.)
- A. The UNDO TABLESPACE clause is always required when no connection exists to the recovery catalog and the TARGET database is opened.
- B. RMAN "pushes" the backups of the database to be duplicated over the network to the auxiliary instance.
- C. RMAN SBT-based backups of the database to be duplicated can be used by the auxiliary instance.
- D. The NOREDO clause must be used if the backups of the database being duplicated were taken when the database was in NOARCHIVELOG mode.
- E. The UNDO TABLESPACE clause is always required when no connection exists to the TARGET instance.
- F. The NOREDO clause can be used if the backups of the database being duplicated were taken when the database was in ARCHIVELOG mode.
- G. The UNDO TABLESPACE clause is always required when no connection exists to the recovery catalog and the TARGET database is closed.
- H. RMAN disk-based backups of the database to be duplicated can be used by the auxiliary instance.
Answer: A,D,E,H
NEW QUESTION 58
Which three are true about upgrading Oracle Grid Infrastructure? (Choose three.)
- A. Only the griduser can perform the upgrade.
- B. The upgrade process will automatically install all mandatory patches for the current version of Oracle Grid Infrastructure.
- C. A direct upgrade can be performed only from the immediately preceding Oracle Grid Infrastructure version.
- D. Existing Oracle Database instances must be shut down before starting the upgrade.
- E. An existing Oracle base can be used.
- F. The newer version is installed in a separate Oracle Grid Infrastructure home on the same server as the existing version.
Answer: A,B,D
Explanation:
Explanation/Reference: https://docs.oracle.com/database/121/CWLIN/procstop.htm#CEGEDCDB
NEW QUESTION 59
You plan to install Oracle Grid Infrastructure for a Standalone Server and Oracle Database for the first time on a server.
Examine this command and its outcome:
# id oracle
uid=54321(oracle) gid=54321(oinstall) groups=54321(oinstall) , 54322(dba) Which two are true?
- A. oracle will be granted the sysasm privilege when installing the Oracle Database software.
- B. oracle will be an owner of the Oracle Inventory.
- C. oracle must be the owner of every Oracle Database installation.
- D. The user account, oracle, and group, oinstall, can be used for all Oracle software installations.
- E. oracle can own an Oracle Database installation but not an Oracle Grid Infrastructure installation.
Answer: D
NEW QUESTION 60
You issued this command:
RMAN> BACKUP RECOVERY FILES;
Which two are true?
- A. All Oracle recovery files in the current FRA that have not been backed up already, are backed up.
- B. All Oracle recovery files in the current fast recovery area (FRA) are backed up.
- C. These backups can be written to disk or SBT.
- D. All Oracle recovery files not in the current FRA that have not been backed up already, are backed up.
- E. All non-Oracle files in the current FRA that have not been backed up already, are backed up.
Answer: D,E
NEW QUESTION 61
Which two are true about Oracle Database Configuration Assistant (DBCA) templates? (Choose two.)
- A. The General Purpose of Transaction Processing templates are most suitable when concurrency and recoverability are key criteria.
- B. Oracle DBCA templates can store only logical structure and not database files.
- C. The Data Warehouse template is most suitable when transaction response time is the key criterion.
- D. Oracle DBCAtemplates can be used to create new databases and duplicate existing databases.
- E. New templates can only be created by modifying an existing user-created template.
Answer: A,D
NEW QUESTION 62
Which three are true about an application container?
- A. Two application containers can share an application seed PDB.
- B. An application PDB can belong to multiple application containers.
- C. It can contain a single application.
- D. It can contain multiple applications.
- E. It must have an application seed PDB.
- F. It must have an application root PDB.
Answer: A,C,D
NEW QUESTION 63
Which three true about recovering tables using RMAN? (Choose three.)
- A. RMAN can recover tables in a standby database.
- B. RMAN can recover a table after a DDL operation has altered the table structure.
- C. RMAN can recover tables in the SYSAUX tablespace.
- D. RMAN can recover tables in the SYSTEM tablespace.
- E. RMAN can recover tables owned by the SYS user.
- F. RMAN can recover tables owed by the SYSTEM user.
- G. RMAN always uses an auxiliary instance.
Answer: C,D,G
NEW QUESTION 64
Which two are true about RMAN backups when using a media manager to write backups to tape when there are only two tape drives?
- A. SBT tape compression and RMAN backup compression should be used in parallel.
- 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 can be used even if no RMAN compression is configured.
- E. The SBT device should be configured to use parallelism 2 to allow both tape drives to be used simultaneously
Answer: A,D
NEW QUESTION 65
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. By default, AWR snapshots are automatically purged after eight days.
- C. ADDM performs its analysis only when a DBA requests it.
- D. By default, MMON creates an AWR snapshot every 30 minutes.
- E. ADDM can recommend shrinking the buffer cache.
- F. AWR snapshots must be deleted when no longer required by ADDM.
Answer: B,E,F
Explanation:
Explanation/Reference: https://books.google.com.pk/books?id=DeQkU5E75DUC&pg=PA869&lpg=PA869&dq=By+default,
+AWR+snapshots+are+automatically+purged+after+eight
+days&source=bl&ots=DfoGmJfCMy&sig=ACfU3U0Pf2RgIs72LUV4HUzs5UIXI8sXEQ&hl=en&sa=X&ved=2ah UKEwjb8bKhu9noAhUwTxUIHRpYAuMQ6AEwA3oECAsQLA#v=onepage&q=By%20default%2C%20AWR%
20snapshots%20are%20automatically%20purged%20after%20eight%20days&f=false
NEW QUESTION 66
Which two are facets of performance planning that should always be considered or implemented for an Oracle Database environment?
- A. defining primary keys for all tables to speed up all queries
- B. defining foreign keys for all tables to speed up joins
- C. using check constraints to speed up updates
- D. the physical data model
- E. the configuration of storage arrays
Answer: B,E
NEW QUESTION 67
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