Pass Oracle 1Z1-083 Exam With Practice Test Questions Dumps Bundle
2024 Valid 1Z1-083 test answers & Oracle Exam PDF
Oracle 1Z0-083 is an exam that tests the skills and knowledge of database administrators who are responsible for managing and maintaining Oracle databases. It is the second level of certification in the Oracle Database Administration track, following the Oracle Database Administration I exam. Passing 1Z1-083 exam demonstrates that the candidate has a deep understanding of the key concepts and practices of Oracle database administration and is qualified to work as a certified Oracle database administrator.
NEW QUESTION # 46
Which three are true about Optimizer Statistics Advisor? (Choose three.)
- A. It always analyzes all schemas in the database.
- B. It runs automatically every night by default.
- C. It is part of the DBMS_ADVISORpackage.
- D. It can be run only manually.
- E. It is part of the DBMS_STATSpackage.
- F. It can recommend changes to improve the statistics gathering process.
Answer: A,E,F
Explanation:
Explanation/Reference: https://oracle-base.com/articles/12c/optimizer-statistics-advisor-12cr2
NEW QUESTION # 47
Choose the best answer. You want to transport the UNIVERSITY tablespace from one database to another. The UNIVERSITY tablespace is currently open read/write. The source and destination platforms have the same endian Examine this list of steps:. 1. Make the UNIVERSITY tablespace read-only on the source 2. Export the UNIVERSITY tablespace metadata using EXPDP. 3. Create a cross-platform backup set from the UNIVERSITY source system, using an RMAN command that includes the DATAPUMP clause. 4. Copy the cross-platform backup sets to the destination system. 5. Copy the Data Pump dump set from the source to the destination system. 6. Restore the cross-platform backup set on the destination system using an RMAN command that includes the DATAPUMP clause. 7. Import the UNIVERSITY tablespace metadata using IMPDP. 8. Make the UNIVERSITY tablespace read/write on the destination system. Which are the minimum number of steps required, in the correct order, to transport the UNIVERSITY tablespace?
- A. 1,3,4,6,8
- B. 3,4,6
- C. 1,2,3,4,5,6,7,8
- D. 2,3,4,5,6,7
Answer: B
NEW QUESTION # 48
Which two are true about creating RMAN backups for an Oracle container database? (Choose two.)
- A. Tablespaces from different PDBs with identical names must be backed up by connecting RMAN separately to each PDB to back up the tablespaces.
- B. SPFILE backups can be created while connected to an application root PDB.
- C. The BACKUP PLUGGABLE DATABASE command can be used to back up CDB$ROOT.
- D. The BACKUP DATABASE command will create a pluggable database (PDB) backup when RMAN is connected to a PDB.
- E. The BACKUP DATABASE PLUS ARCHIVE LOG command will back up archive logs when RMAN is connected to a PDB.
Answer: C,D
NEW QUESTION # 49
Which three are true about Oracle Grid Infrastructure for a Standalone Server?
- A. It includes both Oracle Restart and Oracle Automatic Storage Management (ASM) software.
- B. It requires Oracle ASMLib to manage Automatic Storage Managerment (ASMl) disks.
- C. It requires Oracle ASM Filter Drver (ASMFD) to manage Automatic Storage Managemernt (AsM) disks.
- D. Automatic Storage Management (ASM requires that ars groups OSASM and OSDBA be assigned assecondary groups for its installation owner.
- E. It creates one disk group during installation.
- F. It requires the operating system ORACLE_BASDE environment variable to be predefined before installation.
Answer: A,D,E
NEW QUESTION # 50
Choose three. Which three are performed by Oracle Automatic Storage Management (ASM) instances?
- A. acting as an I/O server to read data file blocks from ASM disks on behalf of database server processes
- B. managing Allocation Units (AUs) for disk group content
- C. acting as an I/O server to write data file blocks to ASM disks on behalf of Database Writer processes (DBWn)
- D. managing extent allocation for Oracle database segments
- E. managing space allocation for Oracle ASM files
- F. mounting disk groups
Answer: B,E,F
NEW QUESTION # 51
Which three are true about thresholds, metrics, and server-generated alerts? (Choose three.)
- A. Metrics are statistical counts for a specific unit.
- B. A space usage management alert is automatically cleared after the underlying problem is resolved.
- C. STATISTICS_LEVELmust be set to ALLto generate alerts.
- D. They are generated by SMON when a tablespace is 97% full.
- E. Cleared stateful alerts are displayed by querying DBA_ALERT_HISTORY.
- F. All metrics are instance related.
Answer: A,B,C
Explanation:
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 # 52
Choose the best answer. On the 10th of August, you implement an incremental database backup strategy and configure a recovery window of five days. Level 0 backups are taken on the 10th, 17th, and 24th of August. Differential level 1 incremental backups are taken daily between the level 0 backups. Today is the 26th of August. Which backups will be obsolete?
- A. all backups prior to 24th of August
- B. all backups prior to 22nd of August
- C. all backups prior to 17th of August
- D. all backups prior to 10th of August
- E. all backups prior to 20th of August
Answer: C
NEW QUESTION # 53
Choose three. In which three situations can you use threshold server-generated alerts to help diagnose and fix problems?
- A. when a resumable statement is suspended
- B. when the number of logons per second exceeds a specific value
- C. when the total number of logons exceeds a specific value
- D. when free space in a dictionary managed tablespace falls below a specified percentage
- E. when free space in a locally managed tablespace falls below a specified percentage
- F. when the total number of locked user account exceeds a specific value
Answer: B,E,F
NEW QUESTION # 54
Choose three. Which three are true about Rapid Home Provisioning of Oracle software?
- A. It can be used to create templates of Oracle homes as gold images of only Oracle databases.
- B. It can be used to patch existing Oracle software installations.
- C. It can be used to upgrade only single-instance databases running on Oracle Restart.
- D. It can be used only on nodes with Oracle Grid Infrastructure installed.
- E. It can be used to create a single-instance Oracle Database in an already-installed Oracle home. D)It can be used to deploy new homes without disrupting active databases.
Answer: A,B,E
NEW QUESTION # 55
Which four are true about performing Tablespace Point-In-Time Recovery (TSPITR) using Recovery Manager (RMAN)?
- A. flashback database must be enabled for it to work.
- B. It can be performed using an auxiliary instance managed by RMAN.
- C. It can be performed using an auxiliary instance managed by a DBA.
- D. RMAN always includes tablespaces containing undo segments in the recovery set.
- E. RMAN automatically adds any required tablespaces to the recovery set to make it self-contained.
- F. It can be performed repeatedly until the correct time is found without using an RMAN catalog.
- G. It can be used to recover a truncated table.
- H. It can be used to recover a dropped tablespace.
Answer: A,B,C,F
NEW QUESTION # 56
Choose two. Which two are true about server-generated alerts?
- A. Stateless alerts can be cleared manually.
- B. Stateful alerts are purged automatically from the alert history after one day.
- C. Stateless alerts are automatically cleared after one day.
- D. Stateful alerts must be cleared by a DBA to resolve the problem identified in the alert.
- E. Stateless alerts can be purged manually from the alert history.
Answer: A,B
NEW QUESTION # 57
Oracle Managed Files (OMF) is enabled in a CDB and this command is successfully executed:
Which three are true?
- A. A default service Is created for the application root APP1.
- B. Application PDBs that are subsequently created in the APP1 application container will be cloned from APP1$SEED.
- C. Application PDBs that are subsequently created in the APP1 application container will be cloned from PDB$SEED.
- D. APP1 can never be unplugged.
- E. An application seed PDB Is created for APP1.
- F. An application root PDB is created for APP1.
Answer: B,E,F
NEW QUESTION # 58
Which two are true about Oracle Database Configuration Assistant (DBCA)? (Choose two.)
- A. It can be used to change the character set of an existing database.
- B. It can be used to create container databases and non-container databases.
- C. It can only be launched from the command line interface.
- D. It can be launched from both the command line and the Universal Installer (OUI) interfaces.
- E. It can be used to convert a non-container database to a container database.
Answer: A,C
NEW QUESTION # 59
While backing up to an SBT channel, you determine that the read phase of your compressed Recovery Manager (RMAN) incremental level 0 backup is a bottleneck. FORCE LOGGING is enabled for the database. Which two could improve read performance? (Choose two.)
- A. Increase the size of the database buffer cache.
- B. Increase the level of RMAN multiplexing.
- C. Enable asynchronous disk I/O.
- D. Disable FORCE LOGGING for the database.
- E. Increase the size of tape I/O buffers.
Answer: B,C
NEW QUESTION # 60
Choose the best answer. Examine this configuration:
1. CDB1 is a container database running in ARCHIVELOG mode.
2. Multiple uncommitted transactions are running in CDB1.
3. Redo log groups 1 and 2 are INACTIVE.
4. Redo log group 3 is the CURRENT group.
All members of redo log group 3 are lost before it is archived. Examine these possible steps:
1. SHUTDOWN ABORT
2. STARTUP NOMOUNT
3. STARTUP MOUNT
4. ALTER DATABASE MOUNT
5. RESTORE DATABASE
6. RECOVER DATABASE NOREDO
7. RECOVER DATABASE UNTIL AVAILABLE
8. RESTORE ARCHIVELOG ALL
9. ALTER DATABASE OPEN
10. ALTER DATABASE OPEN RESETLOGS
Choose the minimum required steps in the correct order to recover the database.
- A. 1,3, 5, 6, 10
- B. 1,3,5, 6, 9
- C. 1,2, 5, 7,4, 10
- D. 1,3,5,8, 6, 10
- E. 1,3,5, 6, 10
- F. 1,3, 5, 7, 10
Answer: F
NEW QUESTION # 61
Choose three. Which three are true about RMAN archival backups with the RESTORE POINT clause?
- A. The SPFILE is included in the archival backup.
- B. Archive logs are retained if they are necessary to allow the database to be recovered to a consistent state when an archival backup is restored.
- C. All archive logs are retained after an archival backup is taken, until the next archival backup is taken of the same database.
- D. They are never considered obsolete by RMAN.
- E. Use of a recovery catalog is always required to support the creation and use of archival backups. G)The ARCHIVAL attribute for a backup overrides the RMAN retention policy.
- F. They can optionally be written to a fast recovery area (FRA).
Answer: A,B
NEW QUESTION # 62
Which two are true about the Automatic Database Diasnostic Monitor (ADDM)? (Choose two.)
- A. Results are written to the alert log.
- B. A DBA can run it manually.
- C. It runs automatically after each AWR snapshot.
- D. It analyzes a period of time corresponding to the 12 hours of activity.
- E. It analyzes a period of time corresponding to the last day of activity.
Answer: B,C
NEW QUESTION # 63
On the 10th of August, you implement an incremental database backup strategy and configure a recovery window of five days.
Level 0 backups are taken on the 10th, 17th, and 24th of August.
Differential level 1 incremental backups are taken daily between the level 0 backups.
Today is the 26th of August.
Which backups will be obsolete?
- A. all backups prior to 24th of August
- B. all backups prior to 22nd of August
- C. all backups prior to 17th of August
- D. all backups prior to 10th of August
- E. all backups prior to 20th of August
Answer: A
NEW QUESTION # 64
Which three are true about requirements for various FLASHBACK operations? (Choose three.)
- A. FLASHBACK version query requires undo to retrieve all versions of a row that existed between two points in time.
- B. FLASHBACK DATA ARCHIVE requires undo to store all versions of all rows of a table being tracked.
- C. FLASHBACK drop requires undo to retrieve all versions of a row that existed between two points in time.
- D. FLASHBACK transaction query requires undo to retrieve all versions of a row that existed between two points in time.
- E. FLASHBACK version query requires that the RECYCLEBIN parameter be set to ON.
- F. FLASHBACK drop requires that the RECYCLEBIN parameter be set to ON.
Answer: A,D,F
Explanation:
Reference:
https://books.google.com.pk/books?id=0iwrL9P25Z0C&pg=PA35&lpg=PA35&dq=FLASHBACK+transaction
+query+requires+undo+to+retrieve+all+versions+of+a+row+that+existed+between+two+points+in
+time&source=bl&ots=MJnYl5CZ1u&sig=ACfU3U0dWP-NPd- U8uu3zbaoi3YZzT0FTQ&hl=en&sa=X&ved=2ahUKEwigi5_Jl9joAhXzUBUIHUh4DksQ6AEwAnoECAsQJg#v= onepage&q=FLASHBACK%20transaction%20query%20requires%20undo%20to%20retrieve%20all% 20versions%20of%20a%20row%20that%20existed%20between%20two%20points%20in%20time&f=false
https://docs.oracle.com/cd/E18283_01/server.112/e17120/tables011.htm
NEW QUESTION # 65
Which three are true about monitoring waits for sessions and services? (Choose three.)
- A. V$SESSION_EVENT displays all waits for all past and existing sessions if the wait has occurred at least once for a session.
- B. V$SESSION_WAIT_CLASS displays waits broken down by wait class only for waiting sessions.
- C. V$SERVICE_EVENT displays all waits for all services if the wait has occurred at least once for a service.
- D. V$SESSION_WAIT and V$SESSION both contain details of the event on which a session is currently waiting.
- E. V$SESSION_WAIT and V$SESSION both contain details of the event on which a non-waiting session last waited.
- F. V$SESSION_EVENT displays all waits for all past sessions if the wait has occurred at least once for a session.
Answer: C,E,F
NEW QUESTION # 66
Which two are true about the Automatic Database Diasnostic Monitor (ADDM)? (Choose two.)
- A. Results are written to the alert log.
- B. It runs automatically after each AWR snapshot.
- C. It analyzes a period of time corresponding to the 12 hours of activity.
- D. A DBA can run it manually.
- E. It analyzes a period of time corresponding to the last day of activity.
Answer: A,B
NEW QUESTION # 67
A redaction policy was added to the SAL column of the SCOTT.EMP table: BEGIN DBMS_REDACT.ADD_POLICY( object_schema object_name column_name policy_name function_type expression => 'SCOTT', => 'EMP', => 'SAL', => 'SCOTT_EMP', => DBMS_REDACT.FULL, => 'SYS_CONTEXT(''SYS_SESSION_ROLES'',''MGR'') END; All users have their default set of system privileges. For which three situations will data not be redacted?
- A. SYSTEMsessions,regardlessoftherolesthataresetinthesession
- B. SYSTEM session, only if the MGR role is set in the session
- C. SYSsessions,regardlessoftherolesthataresetinthesession
- D. SCOTT sessions, only if the MGR role is granted to SCOTT
- E. SCOTT sessions, only if the MGR role is set in the session
- F. SCOTTsessions,becauseheistheownerofthetable
Answer: A,C,E
NEW QUESTION # 68
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Passing the Oracle 1Z1-083 certification exam demonstrates that a database administrator has a thorough understanding of Oracle database administration, and is capable of performing complex tasks such as managing backup and recovery procedures, optimizing database performance, and ensuring the security of the database. Oracle Database Administration II certification is highly valued by employers, and can lead to better job opportunities and higher salaries.
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