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NEW QUESTION 28
Which two are true about Recovery Manager (RMAN) diagnostic message output? (Choose two.)
- A. RMAN error stacks should be read from the top down 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 bottom up as that is the order in which errors are generated.
- D. Media Management messages for SBT devices are written to an Oracletrace file.
- E. The RMAN LOG command line clause causes output issued during RMAN commandcompilation to be written to a log file and to standard output.
- F. The RMAN LOG command line clause causes output issued during RMAN command compilation to be written to a log file only.
Answer: D,F
NEW QUESTION 29
Which three are true about the SQL Tuning Advisor? (Choose three.)
- A. It builds SQL profiles for each poorly performing SQL statement to prevent regressions.
- B. It checks each query being analyzed for missing statistics.
- C. It considers all SQL statements being analyzed by the advisor task as a group.
- D. It checks each query being analyzed for stale statistics.
- E. It only recommends syntactic changes to SQL statements.
- F. It can recommend semantic changes to SQL statements.
Answer: A,B,D
NEW QUESTION 30
The users tablespace consists of data files 3 and 4 and must always be online in read/write mode. Which two are true about using RMAN to perform an open database back up of this tablespace?
- A. Backups must be contained in backup sets.
- B. Only consistent backups can be created.
- C. Backups can be taken only if the database is in archivelog mode.
- D. The database must be registered in an RMAN catalog.
- E. Backups must be done incrementally.
- F. Backups can be done incrementally.
Answer: C,F
NEW QUESTION 31
Which three are true about Oracle Grid Infrastructure for a Standalone Server?
- A. It requires the operating system oracle_base environment variable to be predefined before installation.
- B. Automatic Storage Management (ASM) requires that O/S groups OSASM and OSDBA be assigned as secondary groups for its installation owner.
- C. It requires Oracle ASMLibto manage Automatic Storage Management (ASM) disks.
- D. It includes both Oracle Restart and Oracle Automatic Storage Management (ASM) software.
- E. It requires Oracle ASM Filter Driver (ASMFD) to manage Automatic Storage Management (ASM) disks
- F. It creates one disk group during installation.
Answer: D,E,F
NEW QUESTION 32
You must transport the UNIVERSITYtablespace from one database to another.
The UNIVERSITYtablespace is currently open read/write.
The source and destination platforms have different endian formats.
Examine this list of actions:
1. Make the UNIVERSITY tablespace read-only on the source system.
2. Export the UNIVERSITYtablespace metadata using EXPDP.
3. Convert the UNIVERSITYtablespace data fies to the destination platform format using RMANon the source system.
4. Copy the UNIVERSITYtablespace data files to the destination system.
5. Copy the Data Pump dump set to the destination system.
6. Convert the UNIVERSITYtablespace data files to the destination platform format using RMAN on the destination system.
7. Import the UNIVERSITYtablespace metadata using IMPDP.
8. Make the UNIVERSITY tablespace read/write on the destination system.
Which is the minimum number of actions required, in the correct order, to transport the UNIVERSITY tablespace?
- A. 1, 2, 4, 6, 7, 8
- B. 1, 2, 3, 4, 5, 7, 8
- C. 1, 2, 4, 5, 7, 8
- D. 1, 2, 3, 4, 5, 6, 7, 8
- E. 2, 4, 5, 6, 7
Answer: A
NEW QUESTION 33
Which three are true about the FLASHBACK DATABASE feature? (Choose three.)
- A. A database can be flashed back using SQL*PLUS.
- B. It requires that the target database be in ARCHIVELOG mode.
- C. It always generates REDO and UNDO.
- D. Queries and DML have the same FLASHBACK LOG overhead when flashback is enabled for a database.
- E. FLASHBACK DATABASE only uses FLASHBACK LOGS to get the database to the desired flashback time.
- F. FLASHBACK LOGS are archived after a log switch.
Answer: A,B,D
NEW QUESTION 34
Which two are true about instance recovery?
- A. It is performed automatically while the database remains in mount state. Then the database is opened.
- B. It is performed by the Recovery Writer (rvwr) background process.
- C. Setting fast_start_mttr_target to a lower value reduces instance recovery time by causing dirty buffers to be written to disk more frequently, thereby reducing the number of I/Os needed during instance recovery.
- D. Setting fast_start_mttr_target to a higher value reduces instance recovery time by causing the log writer to write more frequently, thereby reducing the number of I/Os needed during instance recovery.
- E. It is performed automatically after the database is opened; however, blocks requiring recovery are not available until they are recovered.
- F. It is not possible if an archived log is missing.
Answer: B,F
NEW QUESTION 35
Which two are true about OS groups and users for Oracle Grid Infrastructure and the Oracle Relational Database Management System (RDBMS)? (Choose two.)
- A. The primary group for the Oracle Grid Infrastructure and Oracle Database owners must be the Oracle Inventory group.
- B. The same OSDBA group must be used for Automatic Storage Management and the Oracle Database.
- C. The Oracle Grid Infrastructure owner owns Oracle Restart and Oracle Automatic Storage Management binaries.
- D. By default, members of the OSASM group can access Automatic Storage Management and RDBMS instances.
- E. The Oracle Grid Infrastructure owner must have OSOPER, OSBACKUPDBA, and OSKMDBA as secondary groups.
- F. The Oracle Grid Infrastructure installation must be owned by the grid user.
Answer: B,E
Explanation:
Reference:
https://docs.oracle.com/database/121/CWWIN/usrgrps.htm#CWWIN-GUID-6FD3C6AE-5A99- 4C6D-85D6-868CBA6F5DAE
NEW QUESTION 36
Which two are true about creating RMAN backups for an Oracle container database?
- A. The backup database command will create a pluggable database (PDB) backup when RMAN is connected to a PDB.
- B. Tablespaces from different PDBs with identical names must be backed up by connecting RMAN separately to each PDB to back up the tablespaces.
- C. The backup pluggable database command can be used to back up cdb$root.
- D. spfile backups can be created while connected to an application root PDB.
- E. The backup database plus archivelog command will back up archive logs when RMAN is connected to a PDB.
Answer: A,E
NEW QUESTION 37
Which two are true about changing the LOCAL_UNDO_ENABLED property to false in a CDB? (Choose two.)
- A. Any new PDB and existing PDBs are automatically configured to use the default undo tablespace in CDB$ROOT.
- B. After the change, each existing PDB has to be reopened for the new undo mode to take effect.
- C. After the change, only a common user with the required privilege can create an undo tablespace in CDB&ROOT.
- D. Undo tablespaces existing in PDBs must be dropped before the change.
- E. After the change, any user with the required privilege can create an undo tablespace in the PDBs.
- F. After the change, only one undo tablespace can exist in CDB$ROOT.
Answer: A,F
Explanation:
You can set a CDB in local UNDO mode either at CDB creation or by altering the CDB property. When the database property LOCAL_UNDO_ENABLE is FALSE, which is the default, there is only one UNDO tablespace that is created in the CDB root, and that is shared by all containers. When LOCAL_UNDO_ENABLE is TRUE, every container in the CDB uses local undo and each PDB must have its own local UNDO tablespace. To maintain ease of management and provisioning, UNDO tablespace creation happens automatically and does not require any action from the user. When a PDB is opened and an UNDO tablespace is not available, its automatically created.
Reference:
https://docs.oracle.com/en/database/oracle/oracle-database/18/multi/creating-and-configuring-a- cdb.html#GUID-12ADA04D-F81D-4579-A68C-0958CC7D6C2F
NEW QUESTION 38
Examine this command:
$ rhpctl move database -sourcehorae Oracle_horne_path -destinationhome Oracle_home_path For which two purposes can you use this command?
- A. to switch to a read-only Oracle home
- B. to switch back to the previous Oracle home as part of a rollback operation
- C. to switch the Oracle Database home when using a centralized Rapid Home Provisioning server
- D. to switch an existing Oracle Database home to a newer release of Oracle software on the same server
- E. to switch to a patched Oracle Database home
Answer: A,C
NEW QUESTION 39
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 must be the owner of every Oracle Database installation.
- B. The user account, oracle, and group, oinstall, can be used for all Oracle software installations.
- C. oracle will be granted the SYSASM privilege when installing the Oracle Database software.
- D. oracle can own an Oracle Database installation but not an Oracle Grid Infrastructure installation.
- E. oracle will be an owner of the Oracle Inventory.
Answer: C,D
NEW QUESTION 40
Which three are true about Database Point-in-Time Recovery? (Choose three.)
- A. Database Point-in-Time Recovery is performed by the Managed Recovery Process (MRP)
- B. The Database must be in ARCHIVELOG mode.
- C. The database must be open RESETLOGS after Database Point-in-Time Recovery.
- D. The database must be in MOUNT state when performing Database Point-in-Time Recovery.
- E. The database must have FLASHBACK DATABASE ON to perform Database Point-in-Time Recovery.
- F. The target point for the recovery must be specified as a stime or System Change Number (SCN).
Answer: B,C,D
Explanation:
https://docs.oracle.com/cd/B19306_01/backup.102/b14192/flashptr006.htm#:~:text=Database%20point%2Din%2Dtime%20recovery%20(DBPITR)%20restores%20the,forward%20to%20the%20target%20time.
NEW QUESTION 41
Which three are true about an application container?
- A. An application PDB can belong to multiple application containers.
- B. It can contain multiple applications.
- C. Two application containers can share an application seed PDB.
- D. It must have an application seed PDB.
- E. It must have an application root PDB.
- F. It can contain a single application.
Answer: B,C,F
NEW QUESTION 42
Which three are true about an application seed pluggable database (PDB)? (Choose three.)
- A. It cannot be added to an application container after the application container has already been created.
- B. A new application PDB created by cloning an application seed PDB can have an up-to-date version of the application installed after cloning completes.
- C. It is not required in an application container.
- D. A new application PDB created by cloning an application seed PDB can have an old version of the application installed after cloning completes.
- E. It is automatically synchronized with its application root PDB when an application is upgraded.
- F. It is automatically synchronized with its application root PDB when an application is installed.
- G. It cannot be dropped from its application container.
Answer: B,C,F
NEW QUESTION 43
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