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Welcome to Oracle 1Z0-083 practice test online
QUESTION 1
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 10th of August
B. all backups prior to 22nd of August
C. all backups prior to 24th of August
D. all backups prior to 20th of August
E. all backups prior to 17th of August
Correct Answer: C
Section: (none)
QUESTION 2
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. oracle must be the owner of every Oracle Database installation.
C. oracle can own an Oracle Database installation but not an Oracle Grid Infrastructure installation.
D. oracle will be granted the SYSASM privilege when installing the Oracle Database software.
E. The user account, oracle, and group, oinstall, can be used for all Oracle software installations.
Correct Answer: CD
Section: (none)
QUESTION 3
Which three are true about RMAN persistent configuration settings, administration, and their effects? (Choose three.)
A. A target database\\’s persistent RMAN configuration settings are always stored in the target\\’s control file
B. Backup older than the recovery window retention policy are always deleted automatically if the backup location has
insufficient space.
C. Backups written to the fast recovery area (FRA) that are oboslete based on the redundancy retention policy can be
deleted automatically to free space.
D. The RMAN SHOW ALL command displays only settings with nondefault values.
E. A target database\\’s persistent RMAN configuration settings are always synchronized automatically with the RMAN
catalog.
F. The V$RMAN_CONFIGURATION view displays only settings with values that have been modified.
G. A DBA must specify either a redundancy retention policy or a recovery window retention policy.
Correct Answer: ABF
Section: (none)
Reference: https://books.google.com.pk/booksid=pUEkAAAAQBAJandpg=PA114andlpg=PA114anddq=V$RMAN_CONFIGURATION+view+displays+only+settings+with+values+that+have+been+modifiedandsource=blandots=fhC9A7ULeXandsig=ACfU3U2cGhTjmAOpCZhvlL5R4j6ixLRAwandhl=enandsa=Xandved=2ahUKEwjJzfWmtnoAhXT8eAKHQ9uBG8Q6AEwAHoECAwQJg#v=onepageandq=V%24RMAN_CONFIGURATION%20view%20displays%20only%20settings%20with%20values%20that%20have%20been% 20modifiedandf=false
QUESTION 4
Which two are true about Rapid Home Provisioning (RHP), which has been available since Orcale 18c? (Choose two.)
A. It is an Oracle Database service
B. It cannot be used to upgrade Oracle Database homes.
C. It can be used to provision applications.
D. It can be used to patch Grid Infrastructure homes containing Oracle Restart.
E. It can be used to provision middleware.
Correct Answer: DE
Section: (none)
Reference: https://www.oracle.com/assets/rapid-home-provisioning-2405191.pdf
QUESTION 5
Which three are true In Oracle 19c and later releases?
A. Tablespaces always remain In read/write mode during transportable tablespace operations.
B. Simultaneous data pump jobs can be limited at the pluggable database (PDB) level.
C. Tablespaces never remain In read/write mode during transportable tablespace operations.
D. An ordinary data pump export of a table with encrypted columns will always encrypt the same columns when
imported.
E. A transportable data pump import can leave a plugged-in tablespace in read-only mode.
F. A transportable data pump import can leave a plugged-in tablespace In read/write mode.
Correct Answer: ADE
Section: (none)
QUESTION 6
You must transport the UNIVERSITY tablespace from one database to another.
The UNIVERSITY tablespace 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 UNIVERSITY tablespace metadata using EXPDP.
3.
Convert the UNIVERSITY tablespace data fies to the destination platform format using RMAN on the source system.
4.
Copy the UNIVERSITY tablespace data files to the destination system.
5.
Copy the Data Pump dump set to the destination system.
6.
Convert the UNIVERSITY tablespace data files to the destination platform format using RMAN on the destination
system.
7.
Import the UNIVERSITY tablespace 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, 5, 7, 8
B. 1, 2, 4, 6, 7, 8
C. 1, 2, 3, 4, 5, 7, 8
D. 1, 2, 3, 4, 5, 6, 7, 8
E. 2, 4, 5, 6, 7
Correct Answer: B
Section: (none)
QUESTION 7
You are managing this configuration:
1.
CDB1 is a container database.
2.
PDB1 and PDB2 are two pluggable databases in CDB1.
3.
USER1.EMP is a table in PDB1 and USER2.DEPT is a table in PDB2.
CDB1 user SYS executes these commands after connecting successfully to PDB2: Which two are true? (Choose two.)
A. The inserts on USER1.EMP remain uncommitted when the session connected to PDB2.
B. The inserts on USER1.EMP were committed when the session inserted a row into USER2.DEPT.
C. The insert on USER2.DEPT fails because of the active transaction in the parent container.
D. The insert on USER2.DEPT is a recursive autonomous transaction by the child session and is committed.
E. The inserts on USER1.EMP were rolled back when the session connected to PDB2.
F. The insert on USER2.DEPT is uncommitted.
G. The inserts on USER1.EMP were committed when the session connected to PDB2.
Correct Answer: DE
Section: (none)
QUESTION 8
Which two are true about common objects? (Choose two.)
A. They can be created only in CDB$ROOT.
B. They can be only metadata-linked in an application container.
C. They can exist in user-defined schemas only in application containers.
D. They can exist in CDB$ROOT and an application root.
E. They can be extended data-linked in CDB$ROOT.
F. They can be created only in an application root.
Correct Answer: EF
Section: (none)
Reference: https://blog.toadworld.com/2017/08/01/oracle-multi-tenant-application-containers-part-iiisharing-of-data-inapplication-common-objects
QUESTION 9
Examine this configuration:
1.
CDB1 is a container database.
2.
PDB1 and PDB2 are pluggable databases in CDB1.
You execute these commands successfully:
Which two are true? (Choose two.)
A. PDB1 and PDB2 are in MOUNT state.
B. Redo logs are opened.
C. PDB1 and PDB2 are in READ ONLY state.
D. CDB$ROOT is in MOUNT state.
E. PDB$SEED is in READ ONLY state.
Correct Answer: BE
Section: (none)
QUESTION 10
Which two are true about OS groups and users for Oracle Grid Infrastructure and the Oracle Relational Database
Management System (RDBMS)? (Choose two.)
A. By default, members of the OSASM group can access Automatic Storage Management and RDBMS instances.
B. The primary group for the Oracle Grid Infrastructure and Oracle Database owners must be the Oracle Inventory
group.
C. The Oracle Grid Infrastructure installation must be owned by the grid user.
D. The Oracle Grid Infrastructure owner owns Oracle Restart and Oracle Automatic Storage Management binaries.
E. The Oracle Grid Infrastructure owner must have OSOPER, OSBACKUPDBA, and OSKMDBA as secondary groups.
F. The same OSDBA group must be used for Automatic Storage Management and the Oracle Database.
Correct Answer: EF
Section: (none)
Reference: https://docs.oracle.com/database/121/CWWIN/usrgrps.htm#CWWINGUID-6FD3C6AE-5A994C6D-85D6-868CBA6F5DAE
QUESTION 11
Which three are true about upgrading Oracle Grid Infrastructure? (Choose three.)
A. A direct upgrade can be performed only from the immediately preceding Oracle Grid Infrastructure version.
B. The newer version is installed in a separate Oracle Grid Infrastructure home on the same server as the existing
version.
C. An existing Oracle base can be used.
D. The upgrade process will automatically install all mandatory patches for the current version of Oracle Grid
Infrastructure.
E. Existing Oracle Database instances must be shut down before starting the upgrade.
F. Only the grid user can perform the upgrade.
Correct Answer: DEF
Section: (none)
Reference: https://docs.oracle.com/database/121/CWLIN/procstop.htm#CEGEDCDB
QUESTION 12
Which two are true about Oracle Optimizer Statistics, their use, and their collection? (Choose two.)
A. The number of table rows is considered when evaluating the cost of accessing a table using an index.
B. Index balanced B*Tree height is considered when evaluating the cost of using an index.
C. The Statistics Advisor can help recommend the best way to gather statistics.
D. Statistics collected using DBMS_STATS always yield the best optimizer result.
E. The Statistics Advisor generates actions for all recommendations.
Correct Answer: CD
Section: (none)
Reference: https://docs.oracle.com/en/database/oracle/oracle-database/19/tgsql/optimizer-statisticsadvisor.html#GUIDD81A7708-FDA0-45BB-A6E2-103858B047AE
QUESTION 13
Which two are true about Oracle Database Configuration Assistant (DBCA) templates? (Choose two.)
A. The General Purpose of Transaction Processing templates are most suitable when concurrency and recoverability
are key criteria.
B. Oracle DBCA templates can store only logical structure and not database files.
C. New templates can only be created by modifying an existing user-created template.
D. The Data Warehouse template is most suitable when transaction response time is the key criterion.
E. Oracle DBCA templates can be used to create new databases and duplicate existing databases.
Correct Answer: AE
Section: (none)
Reference: https://docs.oracle.com/database/121/ADMQS/GUID-2B8A3B5ED319-4377-8B228BB67DCC9885.htm#ADMQS0235
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