Name: Oracle Database Administration II
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SKU: 1Z0-083
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Free Oracle 1Z0-083 Exam Actual Questions

The questions for 1Z0-083 were last updated On Apr 20, 2025

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Question No. 1

Which three are true about opatchauto? (Choose three.)

AIt performs a shutdown and then a restart of all processes in both Oracle Grid Infrastructure and Oracle Database home during the patching process.

BIt must be invoked by a user with root user privileges.

CPatches are applied via opatchauto.

DUsers must always input patch plans to opatchauto.

EIt requires the Oracle Grid Infrastructure and Oracle Database instances to be shut down before being invoked.

FIt applies patches in nonrolling mode by default.

GIt is used to apply interim patches to Oracle Grid Infrastructure and Oracle Database home combinations.

Show Answer

Correct Answer: A, B, G

Question No. 2

Which two are true about common objects? (Choose two.)

AThey can be created only in CDB$ROOT.

BThey can be only metadata-linked in an application container.

CThey can exist in user-defined schemas only in application containers.

DThey can exist in CDB$ROOT and an application root.

EThey can be extended data-linked in CDB$ROOT.

FThey can be created only in an application root.

Show Answer

Correct Answer: D, F

Question No. 3

Examine this configuration:

1. CDB1 and CDB2 are two container databases.

2. PDB1 is a pluggable database in CDB1.

3. PDB1_C1_SRV is a service for PDB1.

4. CDB1_LINK is a database link in CDB2 referring to PDB1.

5. CDB2 is also an entry in tnsnames.ora pointing to the CDB2 database default service.

You execute these commands successfully:

$ sqlplus sys/oracle_4U@cdb2 as sysdba

SQL> CREATE PLUGGABLE DATABASE PDB1

FROM PDB1@CDB1_LINK

SERVICE_NAME_CONVERT=('PDB1_C1_SRV','PDB1_C2_SRV');

Which two are true? (Choose two.)

APDB1 will be created in CDB2 and automatically opened.

BPDB1 will be created in CDB2 and left in MOUNT state.

CPDB1_C1_SRV in CDB1 will be renamed PDB1_C2_SRV.

DPDB1_C2_SRV will be created and started automatically.

EPDB1_C2_SRV will be created but not started.

Show Answer

Correct Answer: A, C

Question No. 4

Examine these actions:

1. Create a new database for a recovery catalog.

2. Create a tablespace with sufficient space in the catalog database for the recovery catalog.

3. Configure ARCHIVELOG mode for the catalog database.

4. Create a user to own the recovery catalog schema with quota on the tablespace that will contain the

catalog.

5. Grant the RECOVERY_CATALOG_OWNER role to the recovery catalog schema owner.

6. Grant the SYSBACKUP privilege to the recovery catalog schema owner.

Which are the minimum actions that must be performed before executing the CREATE CATALOG command?

A2, 4, 5, 6

B1, 2, 3, 4, 5, 6

C1, 2, 4, 5

D2, 4, 5

E1, 3, 4, 5

Show Answer

Correct Answer: D

Question No. 5

Which two are true about changing the LOCAL_UNDO_ENABLED property to false in a CDB? (Choose two.)

AAfter the change, only a common user with the required privilege can create an undo tablespace in
CDB&ROOT.

BAny new PDB and existing PDBs are automatically configured to use the default undo tablespace in
CDB$ROOT.

CAfter the change, only one undo tablespace can exist in CDB$ROOT.

DAfter the change, any user with the required privilege can create an undo tablespace in the PDBs.

EUndo tablespaces existing in PDBs must be dropped before the change.

FAfter the change, each existing PDB has to be reopened for the new undo mode to take effect.
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.

Show Answer

Correct Answer: B, C