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What is Oracle Database Administration II Exam Number: 1Z0-083 Certification Exam and Retake policy
Oracle Cloud Certification credentials are only valid for a period of 18 months from the date you earn the credential. The certification will become inactive at the end of 18 months. However, for Oracle candidates, it is necessary to hold an active certification in order to have access to various certification benefits including, using Oracle certification logos, certificates, scoring reports, digital badges, and certification verification.
To stay current, candidates have to re-certify themselves with the latest version of the exam. Oracle Cloud Certifications include various titles with levels that are Oracle Certified Associate, Specialist, and Professional. Moreover, the Oracle Cloud Certifications are updated continuously throughout the year for keeping current with major product and service releases and re-released on an annual basis with a new title.
Understanding functional and technical aspects of Oracle Database Administration II Exam Number: 1Z0-083
The following will be discussed in the ORACLE 1Z0-083 exam dumps:
- Patch Grid Infrastructure and Oracle Database
- Diagnose RMAN performance issues
- Upgrade Oracle Grid Infrastructure
- Upgrading to Oracle Grid Infrastructure - Oracle Database: Deploy, Patch and Upgrade Workshop
- Restore and Recovering Databases with RMAN
- Transporting Data - Oracle Database: Backup and Recovery Workshop
- Image and RPM based Database Installation
- Perform Non RMAN database recovery
- Interpret the RMAN message output
NEW QUESTION 58
choose two Which two are benefits of unified auditing in full mode?
- A. Pre 12c audit data is written to the traditional locations and new 12c audit data is written to the unified location.
- B. The audit trail is read-only.
- C. The audit trail uses less space.
- D. All audit data is written to both the traditional locations and to the unified location.
- E. The audit trail is in a single format.
Answer: A,E
NEW QUESTION 59
Which two are true about reclaiming space used by Flashback logs in Oracle Database 19c and later releases? (Choose two.)
- A. Space might be reclaimed proactively before space pressure occurs.
- B. Space is always reclaimed automatically when the retention period for Flashback logs is lowered.
- C. Space is always reclaimed proactively before space pressure occurs.
- D. Space is only reclaimed when there is space pressure in the Fast Recovery Area. (FRA)
- E. Space might be reclaimed automatically when the retention period for Flashback logs is lowered.
Answer: D,E
NEW QUESTION 60
Which three are true about Automatic Workload Repository (AWR)? (Choose three.)
- A. By default, AWR snapshots are taken every 60 minutes.
- B. AWR data is stored in the SYSTEM tablespace.
- C. The taking of AWR snapshots can be disabled.
- D. By default, AWR snapshots are retained for 7 days.
- E. Its collection level is determined by the value of the STATISTICS_LEVEL database parameter.
Answer: A,C,E
Explanation:
Reference:
https://docs.oracle.com/cd/B28359_01/server.111/b28320/initparams240.htm#REFRN10214
NEW QUESTION 61
Choose two. Which two are true about reclaiming space used by Flashback logs in Oracle Database 19c and later releases?
- A. Space might be reclaimed automatically when the retention period for Flashback logs is lowered.
- B. Space is always reclaimed automatically when the retention period for Flashback logs is lowered.
- C. Space is always reclaimed proactively before space pressure occurs.
- D. Space might be reclaimed proactively before space pressure occurs.
- E. Space is only reclaimed when there is space pressure in the Fast Recovery Area (FRA).
Answer: D,E
NEW QUESTION 62
Which two are true about Recovery Manager (RMAN) diagnostic message output? (Choose two.)
- A. RMAN error stacks should be read from the bottom up as that is the order in which errors are generated.
- B. Media Management messages for SBT devices are always written to sbtio.log.
- C. RMAN error stacks should be read from the top down as that is the order in which errors are generated.
- D. The RMAN LOG command line clause causes output issued during RMAN command compilation to be written to a log file and to standard output.
- E. The RMAN LOG command line clause causes output issued during RMAN command compilation to be written to a log file only.
- F. Media Management messages for SBT devices are written to an Oracle trace file.
Answer: E,F
NEW QUESTION 63
Which two are true about automatic block repair? (Choose two.)
- A. It is not possible for media corrupt blocks.
- B. Automatic block repair can repair blocks with no standby database if DB_BLOCK_CHECKING = TRUE.
- C. Real-Time Query must be enabled on a physical standby database for automatic block repair to be done on that physical standby database.
- D. Real-Time Query must be enabled on a primary database for automatic block repair to be done on any of its physical standby databases.
- E. Real-Time Query must be enabled on a physical standby database for automatic block repair to be done on its primary database.
Answer: C,D
NEW QUESTION 64
Choose two. Which two statements are true when row-archival management is enabled?
- A. The ROW ARCHIVAL VISIBILITY session parameter defaults to active rows.
- B. The ORA_ARCHIVE_STATE column may only be queried by users with the DBA role set.
- C. The ORA_ARCHIVE_STATE column may only be updated by users with the DBA role set.
- D. The ORA_ARCHIVE_STATE column is updated in an overnight maintenance job based on activity tracking.
- E. The ORA_ARCHIVE_STATE column is only displayed if it is referenced in the column select list of a query
Answer: A,E
NEW QUESTION 65
Examine this configuration:
CDB1 is an Oracle Database 12c Release 2 database containing pluggable databases PDB$SEED, PDB1, and PDB2.
PDB$SEED is open READ ONLY
PDB1 is open READ WRITE
PDB2 is MOUNTED.
ORACLE_HOME is /u01/app/oracle/product/18.1.0/dbhome_1.
You execute these commands before upgrading the database to the current release:
For which databases will fixup scripts be created?
- A. PDB$SEED, PDB1, and PDB2 only
- B. CDB1, PDB$SEED, and PDB1 only
- C. CDB1 and PDB$SEED only
- D. CDB1, PDB1, and PDB2 only
- E. CDB1, PDB$SEED, PDB1, and PDB2
Answer: B
NEW QUESTION 66
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 Tunning 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: E
NEW QUESTION 67
Which two are true about Oracle Flashback features? (Choose two.)
- A. FLASHBACK VERSION QUERY can retrieve REDO records from ONLINE and ARCHIVED REDO LOG files.
- B. FLASHBACK DROP can undrop an index when undropping a table.
- C. FLASHBACK QUERY can retrieve REDO records from ONLINE and ARCHIVED REDO LOG files.
- D. After a database is restored from flashback logs using the FLASHBACK DATABASE command, it is sometimes rolled forward using redo logs.
- E. FLASHBACK TABLE can undrop a column.
Answer: B,D
NEW QUESTION 68
Which three are true about backup, restore, and recovery operations done without using Recovery Manager (RMAN)?
- A. Oracle data file backups, copied using an O/S utility, can be added to the RMAN catalog as image copies.
- B. Oracle archive log backups, copied using an O/S utility, can be added to the RMAN catalog as a backup set.
- C. Backing up a database in noarchivelog mode using O/S utilities requires that the database instance be started and the database be in mount state.
- D. 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.
- E. 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.
- F. Backing up a database in noarchivelog mode using O/S utilities requires that the database instance be shut down.
- G. An Oracle database can be restored from backup files copied using O/S utilities.
Answer: A,B,G
NEW QUESTION 69
choose two You configured the Fast Recovery Area (FRA) for your database. The database instance is in ARCHIVELOG mode. The default location for the archived redo log files is the FRA.
Which two files are removed automatically if space is required in the FRA as per the retention policy?
- A. RMAN backups that are obsolete
- B. user-managed backups of data files and control files
- C. archived redo log files that have multiple copies in a different archive location
- D. flashback logs
Answer: A,D
NEW QUESTION 70
Which two are true about gathering optimizer statistics? (Choose two.)
- A. System statistics can be gathered only while connected to CDB$ROOT.
- B. Executing DBMS_STATS.GATHER_DATABASE_STATSwhile connected to CDB$ROOTgathers object statistics only in CDB$ROOT.
- C. Executing DBMS_STATS.GATHER_DATABASE_STATSwhile connected to a PDB opened in read/write mode gathers object statistics for that PDB.
- D. Executing DBMS_STATS.GATHER_DATABASE_STATSwhile connected to CDB$ROOTgathers object statistics in all open pluggable databases (PDBs)
- E. Executing DBMS_STATS.GATHER_DATABASE_STATSwhile connected to CDB$ROOTgathers object statistics in all open PDBs except PDB$SEED.
Answer: B,D
Explanation:
Explanation/Reference: https://docs.oracle.com/en/database/oracle/oracle-database/20/arpls/DBMS_STATS.html
NEW QUESTION 71
Which three can be done using Oracle Database Configuration Assistant (DBCA) starting from Oracle Database 19c? (Choose three.)
- A. cloning a remote container database in interactive mode
- B. relocating a remote container database in interactive mode
- C. cloning a remote pluggable database in silent mode
- D. relocating a remote pluggable database in interactive mode
- E. cloning a remote container database in silent mode
- F. relocating a remote container database in silent mode
- G. relocating a remote pluggable database in silent mode
Answer: C,E,G
NEW QUESTION 72
Which three are true about requirements for various flashback operations?
- A. flashback drop requires undo to retrieve all versions of a row that existed between two points in time.
- B. flashback transaction query requires undo to retrieve all versions of a row that existed between two points in time.
- C. flashback drop 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 version query requires undo to retrieve all versions of a row that existed between two points in time.
- F. flashback version query requires that the recyclebin parameter be set to on.
Answer: A,D,E
NEW QUESTION 73
Which two are true about common objects? (Choose two.)
- A. They can be created only in CDB$ROOT.
- B. They can exist in CDB$ROOT and an application root.
- C. They can exist in user-defined schemas only in application containers.
- D. They can be created only in an application root.
- E. They can be only metadata-linked in an application container.
- F. They can be extended data-linked in CDB$ROOT.
Answer: B
NEW QUESTION 74
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