2022 1Z0-083 Dumps PDF - 1Z0-083 Real Exam Questions Answers
Valid 1Z0-083 Test Answers & Oracle 1Z0-083 Exam PDF
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:
- Tuning SQL Statements
- Explore the structure of PDBs
- Create a new PDB from the CDB seed
- Manage CDBs and PDBs - Oracle Database: Managing Multitenant Architecture Ed 1
- Manage startup, shutdown and availability of CDBs and PDBs
- Upgrade an Oracle Database
- Configure and create a CDB
- Performance management in CDBs and PDBs
- Evaluate the impact of parameter value changes
- Backup and Duplicate - Oracle Database: Managing Multitenant Architecture Ed 1
- Control CDB and PDB resource usage with the Oracle Resource Manager
- Change the different modes and settings of PDBs
- Duplicate a Database
- Upgrading and Transporting CDBs and Regular PDBs - Oracle Database: Managing Multitenant Architecture
- Perform Backup and Recover CDBs and PDBs
- Manage PDB service names and connections
- Duplicate an active PDB
NEW QUESTION 72
Which three are true about managing memory components in an Oracle database instance? (Choose three.)
- A. On Line Transaction Processing systems often use less Program Global Area than Decision Support Systems.
- B. With Automatic Memory Management, the database instance can increase the System Global Area size by reducing the Program Global Area size.
- C. Automatically tuned and resized System Global Area components will always revert to their initial sizes after an instance restart.
- D. With Automatic Shared Memory Management, the database instance can increase the Program Global Area size by reducing the System Global Area size.
- E. Automatic Memory Management must be used together with locking the System Global Area into physical memory.
- F. With Automatic Shared Memory Management, the database instance can increase the Large Pool size by reducing the Shared Pool size.
Answer: A,D,F
NEW QUESTION 73
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 retentionperiod 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 areautomatically 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: B,C
NEW QUESTION 74
Which three are true about monitoring waits for sessions and services? (Choose three.)
- A. V$SERVICE_EVENT displays all waits for all services if the wait has occurred at least once for a service.
- B. V$SESSION_WAIT and V$SESSION both contain details of the event on which a non-waiting session last waited.
- C. V$SESSION_WAIT_CLASS displays waits broken down by wait class only for waiting sessions.
- D. V$SESSION_WAIT and V$SESSION both contain details of the event on which a session is currently waiting.
- E. V$SESSION_EVENT displays all waits for all past and existing sessions if the wait has occurred at least once for a session.
- F. V$SESSION_EVENT displays all waits for all past sessions if the wait has occurred at least once for a session.
Answer: A,C,D
NEW QUESTION 75
Which two are true about the Oracle dataabse methodology? (Choose two.)
- A. The alert log should be used to find the database and instance areas most in need of tuning.
- B. The Oracle Database time model should be used to find the database and instance areas most in need of tuning.
- C. SQL statements should always be tuned before tuning any file systems.
- D. Tuning activities should stop once the user is satisfied with performance.
- E. The database instance memory should always be tuned before tuning any file systems.
- F. Tuning activities should stop once agreed service levels for performance have been met.
Answer: A,F
NEW QUESTION 76
Examine these queries and their output:
An online RMAN backup of the CDB was taken an hour before Restore Point ri was created.
You want to recover PDB1 to Restore Point R1.
How do you achieve this?
- A. This cannot be done due to the lack of a clean restore point.
- B. Execute FLASHBACK PLUGGABLE DATABASE PDB1 TO RESTORE POINT R1 by Using SQL while connected to PDB1.
- C. Execute FLASHBACK PLUGGABLE DATABASE PDB1 TO RESTORE POINT R1 by Using SQL while connected to CDB$ROOT.
- D. Execute FLASHBACK PLUGGABLE DATABASE PDB1 TO RESTORE POINT R1 by Using RMAN while connected to CDB$ROOT.
- E. Execute FLASHBACK PLUGGABLE DATABASE PDB1 TO RESTORE POINT R1 by Using RMAN while connected to PDB1.
Answer: B
NEW QUESTION 77
Which two are true about unplugging an application container from a container database and plugging it into a different container database?
- A. Plugging the application root into a different CDB plugs In all its application PDBs.
- B. The application root of an application container should be plugged Into the other CDB before Its application PDBs are plugged in.
- C. Application PDBs In the application container must be unplugged before the application root Is unplugged.
- D. Unplugging the application root from a CDB unplugs all its application PDBs.
- E. It requires local undo mode in both container databases.
- F. It requires only local undo mode in the database where the application container will be unplugged.
Answer: C,D
NEW QUESTION 78
For which two requirements can you use the USER_TABLESPACE clause with the CREATE PLUGGABLE DATABASE command? (Choose two.)
- A. to specify the list of user tablespaces to include when moving a non-CDB to a PDB
- B. to specify the list of tablespaces to include when creating a PDB from the CDB seed
- C. to specify a default tablespace in a PDB cloned from another PDB in the same CDB.
- D. to exclude all tablespaces except SYSTEM, SYSAUX, and TEMP when plugging in a PDB
- E. to include specific user tablespaces only when relocating a PDB
- F. to exclude a temp tablespace when plugging in a PDB
Answer: A,D
Explanation:
Reference:
https://docs.oracle.com/en/database/oracle/oracle-database/12.2/admin/creating-and-removing- pdbs-with-sql-plus.html#GUID-1C47D543-8376-48AE-A1AE-632316731D59
NEW QUESTION 79
Examine this configuration:
To recover from this critical failure, you execute these commands:
What will be the outcome?
A)
B)
C)
D)
E)
- A. Option C
- B. Option A
- C. Option E
- D. Option B
- E. Option D
Answer: B
NEW QUESTION 80
You plan to perform cross-platform PDB transport using XTTS.
Which two are true? (Choose two.)
- A. The source PDB can be in MOUNT or OPEN state.
- B. The source PDB must be in MOUNT state.
- C. A backup of the PDB must exist, taken using the BACKUP command with the TO PLATFORM clause.
- D. The source PDB must not be an application root.
- E. The source and target platforms must have the same endianness.
- F. Automatic conversion of endianness occurs.
Answer: A,E
NEW QUESTION 81
Which two are true about the execution of operating system scripts starting from Oracle Database 19c? (Choose two.)
- A. root.sh can be executed automatically by the Database installer only by using sudo credentials.
- B. The sudo password can be specified in a response file.
- C. root.sh can be executed automatically by the Database Installer only if it is provided with root credentials.
- D. The sudo password must be specified in a response file.
- E. orainstRoot.sh can be executed automatically by the Database installer by using sudo or root credentials.
- F. The root password cannot be specified in a response file.
Answer: E,F
NEW QUESTION 82
Which three are true about RMAN archival backups with the RESTORE POINT clause? (Choose three.)
- A. They can optionally be written to a fast recovery area (FRA).
- B. They are never considered obsolete by RMAN.
- C. All archive logs are retained after an archival backup is taken, until the next archival backup is taken of the same database.
- D. 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.
- E. The SPFILE is included in the archival backup.
- F. 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.
Answer: A,C,E
NEW QUESTION 83
Which two are true about an RPM-based Oracle Database installation? (Choose two.)
- A. It uses a service configuration script to create a single-instance database as part of the installation.
- B. It includes the Oracle Preinstallation RPM.
- C. It performs a software-only Oracle Database installation.
- D. From Oracle Database 18c, a single RPM can be used to install only Oracle Database Server for a single instance.
- E. It requires an Unbreakable Linux Network (ULN) subscription.
Answer: B,E
NEW QUESTION 84
Which three can be done using Oracle Database Configuration Assistant (DBCA) starting from Oracle Database 19c?
- A. relocating a remote pluggable database in interactive mode
- B. cloning a remote container database in interactive mode
- C. cloning a remote pluggable database in silent mode
- D. relocating a remote pluggable database in silent mode
- E. relocating a remote container database in interactive mode
- F. relocating a remote container database in silent mode
- G. cloning a remote container database in silent mode
Answer: D,E,F
NEW QUESTION 85
Which three are true about an application container?
- A. It can contain a single application.
- B. It must have an application root PDB.
- C. It can contain multiple applications.
- D. It must have an application seed PDB.
- E. An application PDB can belong to multiple application containers.
- F. Two application containers can share an application seed PDB.
Answer: A,C,F
NEW QUESTION 86
Which four are true about RMAN backup sets? (Choose four.)
- A. A data file can be split into multiple sections stored in different backup sets.
- B. A backup piece can belong to only one backup set.
- C. Blocks from multiple data files can be contained in one backup piece,
- D. A backup set can contain only one backup piece.
- E. A backup set must be written to media.
- F. Blocks from multiple data files can be contained in one backup set,
- G. A backup set must be written to disk.
- H. A data file canbe split into multiple sections stored in different backup pieces in the same backup set.
Answer: A,D,E,F
NEW QUESTION 87
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?
- A. The containers clause cannot be used in queries on the revenue table.
- B. The maptable table defines a logical partition key on a commonly used column for the revenue table.
- C. The revenue table must be a list-partitioned table.
- D. A container map exists for the revenue table, but Is not enabled.
- E. The revenue table partitions are not pruned across the PDBs automatically.
- F. The maptable table is a metadata-linked table.
Answer: D,F
NEW QUESTION 88
You issued this command:
RMAN> BACKUP RECOVERY FILES;
Which two are true?
- A. All non-Oracle files in the current FRA that have not been backed up already, are backed up.
- B. All Oracle recovery files not in the current FRA that have not been backed up already, are backed up.
- C. These backups can be written to disk or SBT.
- D. All Oracle recovery files in the current fast recovery area (FRA) are backed up.
- E. All Oracle recovery files in the current FRA that have not been backed up already, are backed up.
Answer: A,B
NEW QUESTION 89
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