1z0-083 Exam Dumps - Oracle Database Administration II

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Question # 25

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.)

oracle will be an owner of the Oracle Inventory.

oracle must be the owner of every Oracle Database installation.

oracle can own an Oracle Database installation but not an Oracle Grid Infrastructure installation.

oracle will be granted the SYSASM privilege when installing the Oracle Database software.

The user account, oracle, and group, oinstall, can be used for all Oracle software installations.

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Question # 26

After implementing full Oracle Data Redaction, you change the default value for the NUMBER data type as follows: SQL> select number_value from REDACTION_VALUES_FOR_TYPE_FULL; NUMBER_VALUE ------------0 SQL> exec DBMS_REDACT.UPDATE_FULL_REDACTION_VALUES(-1); SQL> select number_value from REDACTION_VALUES_FOR_TYPE_FULL; NUMBER_VALUE -------------1 After changing the value, you notice that FULL redaction continues to redact numeric data with zero.What must you do to activate the new default value for numeric full redaction?

Re-enableredactionpoliciesthatuseFULLdataredaction.

Re-createredactionpoliciesthatuseFULLdataredaction.

Re-connect the sessions that access objects with redaction policies defined on them.

Flushthesharedpool.

Restart the database instance. Correct

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Question # 27

You accidentally drop the CUSTOMERS table, and then recover it by using the FLASHBACK TABLE command. Which two statements are true about the dependent objects of the CUSTOMERS table?

All the triggers associated with the table are flashed back but are disabled.

Materialized views that use the CUSTOMERS table are flashed back.

LOB segments associated with the CUSTOMERS table are flashed back.

All the constraints defined on the table, except the referential integrity constraints, are flashed back.

Only the primary key constraint created for the table is flashed back, whereas all other indexes must be retrieved separately.

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Question # 28

Choose three. Which three are true about actions that can or cannot be performed by users with the SYSBACKUP privilege?

They can view data from any data dictionary view or dynamic performance view.

They can drop any tablespace.

They can view data from any user-defined tables.

They can create any table.

They cannot create restore points.

They cannot drop tablespaces.

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Question # 29

Which two arc true about Optimizer Statistics ?

They can be gathered by the DBMS_STATE package.

They are ignored by Optimizer if they are state.

They are gathered by the SQL Tuning Advisor.

By default, they are automatically gathered by a maintenance job.

They provide real-time data about schema objects.

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Question # 30

Automatic Shared Memory Management is disabled for one of your database instances. Some SQL statements perform poorly due to excessive hard parse activity, thereby degrading performance. What would be your next step?

Run the SQL Access Advisor.

Run the Memory Advisor for the shared pool.

Run the SQL Tunning Advisor.

Run the Memory Advisor for the Program Global Area.

Run the Memory Advisor for the System Global Area.

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Question # 31

Examine these queries and their output: An online RMAN backup of the CDB was taken an hour before Restore Point R1 was created. You want to recover PDB1 to Restore Point R1. How do you achieve this?

Execute FLASHBACK PLUGGABLE DATABASE PDB1 TO RESTORE POINT R1by using RMAN while connected to PDB1.

Execute FLASHBACK PLUGGABLE DATABASE PDB1 TO RESTORE POINT R1by using SQL while connected to PDB1.

Execute FLASHBACK PLUGGABLE DATABASE PDB1 TO RESTORE POINT R1by using SQL while connected to CDB$ROOT.

Execute FLASHBACK PLUGGABLE DATABASE PDB1 TO RESTORE POINT R1by using RMAN while connected to CDB$ROOT.

This cannot be done due to the lack of a clean restore point.

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Question # 32

You execute the following piece of code with appropriate privileges: BEGIN DBMS_REDACT.ADD_POLICY ( END; 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'') = ''FALSE'''); END; BEGIN DBMS_REDACT.ADD_POLICY ( object_schema object_name column_name policy_name function_type expression => 'SCOTT', => 'EMP_VW', => 'SAL', => 'SCOTT_EMP_VW', => DBMS_REDACT.NONE, => 'SYS_CONTEXT (''SYS_SESSION_ROLES'',''MGR'') = ''FALSE'''); User SCOTT has been granted the CREATE SESSION privilege and the MGR role. Which two statements are true when a session logged in as SCOTT queries the SAL column in the view and the table?

DataisredactedfortheEMP.SALcolumnonlyiftheSCOTTsessiondoesnothavetheMGR role set.

DataisredactedforEMP.SALcolumnonlyiftheSCOTTsessionhastheMGRroleset.

Data is never redacted for the EMP_VW.SAL column.

Data is redacted for the EMP_V.SAL column only if the SCOTT session has the MGR role set.

Data is redacted for the EMP_V.SAL column only if the SCOTT session does not have the MGR role set. Correct

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