Oracle 1Z0-083 Deluxe Study Guide with Online Test Engine
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Certification Path for Oracle Database Administration II Exam Number: 1Z0-083
Oracle Database Administration II Exam Number: 1Z0-083 is an advanced exam. Successful completion by candidates of Data Administrator I and II will allow them to achieve Oracle Certified Database Administrator status.
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 pdf:
- Oracle Database 19c: New Features for Administrators
- Oracle Database 18c: New Features
- Oracle Database: Administration Workshop
- Upgrade the Oracle Database
- Using Availability Enhancements
NEW QUESTION 31
Which three methods can be used for heap table data migration after upgrading a database? (Choose three.)
- A. using SQL Developer
- B. using Oracle Data Pump
- C. using operating system file copy utilities
- D. using the CREATE TABLE AS SELECT SQL statement
- E. using Database Replay
- F. using Database Upgrade Assistant
Answer: B,D,F
Explanation:
Explanation
https://www.oracle.com/a/tech/docs/twp-upgrade-oracle-database-19c.pdf
NEW QUESTION 32
Which two are true about Rapid Home Provisioning (RHP), which has been available since Oracle 18c?
- A. It can be used to provision applications.
- B. It can be used to provision middleware.
- C. It cannot be used to patch Grid Infrastructure homes containing Oracle Restart.
- D. It Is an Oracle Database service.
- E. It cannot be used to upgrade Oracle Database homes.
Answer: B,C
NEW QUESTION 33
Which two are true about the Oracle database tuning methodology?
- A. The alert log should be used to find the database and instance areas most in need of tuning.
- B. The database instance memory should always be tuned before tuning any file systems.
- C. SQL statements should always be tuned before tuning any file systems.
- D. The Oracle Database time model should be used to find the database and instance areas most in need of tuning.
- E. Tuning activities should stop once agreed service levels for performance have been met.
- F. Tuning activities should stop once the user is satisfied with performance.
Answer: C,D
NEW QUESTION 34
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$SESSION_WAIT
- B. V$SESSION
- C. V$SESSION_EVENT
- D. V$SESSION_WAIT_CLASS
- E. V$SESSTAT
Answer: D
NEW QUESTION 35
Which two are true about Oracle instance recovery?
- A. Recovery reads redo until the end of the redo thread, and then opens the database, smon then rolls back any dead transactions.
- B. Recovery begins from the last checkpoint position that was calculated by the Database Writer before instance failure.
- C. Recovery begins from the start of any active redo log group or the start of the current log group if no other group is active.
- D. Recovery reads redo until the end of the redo thread, smon rolls back any dead transactions, and then the database is opened.
- E. Recovery begins from the last checkpoint position that was recorded in the control file by the checkpoint process (ckpt).
- F. Recovery begins from the beginning of the current redo log group.
Answer: C,E
NEW QUESTION 36
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
Explanation:
Reference:
http://oradb-srv.wlv.ac.uk/ora12c/RCMRF/rcmsynta020.htm
NEW QUESTION 37
Which three are true about Automatic Workload Repository (AWR) and Automatic Database Diagnostic Monitor (ADDM) in an Oracle multitenant environment? (Choose three.)
- A. AWR reports can be generated while connected to any container.
- B. ADDM can run in a nonroot container.
- C. No AWR data is stored in the CDB$ROOT SYSAUX tablespace.
- D. AWR snapshots can be created in a PDB.
- E. All AWR data is stored in the CDB$ROOT SYSAUX tablespace.
- F. AWR snapshots can be created in CDB$ROOT.
Answer: A,C,D
NEW QUESTION 38
Examine this configuration:
1.The ORCL database data files are in Automatic Storage Management (Oracle ASM) disk group +DATA.
2.ORCL uses disk group +FRA for the Fast Recovery Area.
3.LISTENER is the listener for ORCL.
4.The database, listener, ASM instance, and ASM disk groups are managed by Oracle Restart.
5.All components are currently shut down.
You execute this command:
What is the outcome?
- A. Only the ORCL database instance and the +DATA and +FRA disk groups are started.
- B. Only the ORCL database instance is started.
- C. Only the ORCL database instance, the Oracle ASM instance, and the +DATA and +FRA disk groups are started.
- D. Only the ORCL database and the ASM instances are started.
- E. The ORCL database, the Oracle ASM instances, the +DATA and +FRA disk groups, and the LISTENER are started.
Answer: E
Explanation:
Explanation
https://docs.oracle.com/html/E25494_01/start001.htm
NEW QUESTION 39
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 common tables, 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 with the application root.
Which are the minimum required steps in the correct sequence?
- A. 1,5,6
- B. 1,3,5,7
- C. 1,3,5,6,7
- D. 3,4,1,6,8
- E. 2,5,6
Answer: A
NEW QUESTION 40
Which two are true about Oracle instance recovery? (Choose three.)
- A. Recovery reads redo until the end of the redo thread. SMON rolls back any dead transactions, and then the datanase is opened.
- B. Recovery begins from the last checkpoint position that was calculated by the Database Writer before instance failure.
- C. Recovery reads redo until the end of the redo thread, and then opens the database. SMON then rolls back any dead transactions.
- D. Recovery begins from the start of any ACTIVE redo log group or the start of the CURRENT log group if no other group is ACTIV
- E. Recovery begins from the beginning of the CURRENT redo log group.
- F. Recovery begins from the last checkpoint position that was recorded in the control file by the checkpoint process (CKPT).
Answer: A,B,C
NEW QUESTION 41
Which four are true about RMAN backup sets? (Choose four.)
- A. Blocks from multiple data files can be contained in one backup set,
- B. A data file can be split into multiple sections stored in different backup pieces in the same backup set.
- C. A backup set can contain only one backup piece.
- D. A backup set must be written to disk.
- E. Blocks from multiple data files can be contained in one backup piece,
- F. A backup set must be written to media.
- 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,C,F,H
NEW QUESTION 42
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:
Which two are true? (Choose two.)
- A. oracle will be an owner of the Oracle Inventory.
- B. The user account, oracle, and group, oinstall, can be used for all Oracle software installations.
- C. oracle must be the owner of every Oracle Database installation.
- D. oracle will be granted the SYSASM privilege when installing the Oracle Database software.
- E. oracle can own an Oracle Database installation but not an Oracle Grid Infrastructure installation.
Answer: D,E
NEW QUESTION 43
You issued this command:
RMAN> BACKUP RECOVERY FILES;
Which two are true? (Choose two.)
- 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. All non-Oracle files in the current FRA that have not been backed up already, are backed up.
- D. All Oracle recovery files not in the current FRA that have not been backed up already, are backed up.
- E. These backups can be written to disk or SBT.
Answer: C,E
Explanation:
Explanation
NEW QUESTION 44
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) before the archival backup was taken.
- B. The control file is included in the self-contained archival backup.
- C. The data file backups in the self-contained archive backup are not considered obsolete for two years regardless of the retention policy.
- D. All archive logs created after this backup are kept for two years.
- E. The restore point is a label for the system change number (SCN) that will be saved two years after the archival backup was taken.
- F. The spfile is included in the self-contained archival backup.
Answer: B,D,F
NEW QUESTION 45
Which two are true about flashback features in Oracle Database 19c and later releases? (Choose two.)
- A. Flashback logs are monitored for being older than the retention period defined in DB_FLASHBACK_RETENTION_TARGET and can be deleted by an administrator written event trigger.
- B. Flashback logs are monitored and proactively deleted when beyond the retention period defined in DB_FLASHBACK_RETENTION_TARGET only after there is space pressure.
- C. Flashback logs are automatically purged whenever the value of DB_FLASHBACK_RETENTION_TARGET is changed.
- D. Flashback logs are automatically purged when DB_FLASHBACK_RETENTION_TARGET is set lower than the time they have already been retained.
- E. Flashback logs are monitored and proactively deleted when beyond the retention period defined in DB_FLASHBACK_RETENTION_TARGET before there is space pressure.
Answer: D,E
NEW QUESTION 46
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