Oracle 1z0-060 Free Practice Questions

Q1. Which two statements are true concerning the Resource Manager plans for individual pluggable databases (PDB plans) in a multitenant container database (CDB)?

A. If no PDB plan is enabled for a pluggable database, then all sessions for that PDB are treated to an equal degree of the resource share of that PDB. 

B. In a PDB plan, subplans may be used with up to eight consumer groups.

C. If a PDB plan is enabled for a pluggable database, then resources are allocated to consumer groups across all PDBs in the CDB. 

D. If no PDB plan is enabled for a pluggable database, then the PDB share in the CDB plan is dynamically calculated. 

E. If a PDB plan is enabled for a pluggable database, then resources are allocated to consumer groups based on the shares provided to the PDB in the CDB plan and the shares provided to the consumer groups in the PDB plan.

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Q2. On your Oracle 12c database, you Issue the following commands to create indexes

SQL > CREATE INDEX oe.ord_customer_ix1 ON oe.orders (customers_id, sales_rep_id) INVISIBLE;

SQL> CREATE BITMAP INDEX oe.ord_customer_ix2 ON oe.orders (customers_id, sales_rep_id);

Which two statement are correct?

A. Both the indexes are created; however, only the ORD_COSTOMER index is visible.

B. The optimizer evaluates index access from both the Indexes before deciding on which index to use for query execution plan.

C. Only the ORD_CUSTOMER_IX1 index is created. 

D. Only the ORD_CUSTOMER_IX2 index is created. 

E. Both the indexes are updated when a new row is inserted, updated, or deleted In the orders table.

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Q3. Which two statements are true about the Oracle Direct Network File system (DNFS)?

A. It utilizes the OS file system cache.

B. A traditional NFS mount is not required when using Direct NFS.

C. Oracle Disk Manager can manage NFS on its own, without using the operating kernel NFS driver.

D. Direct NFS is available only in UNIX platforms.

E. Direct NFS can load-balance I/O traffic across multiple network adapters.

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Q4. Your multitenant container database, CDB1, is running in ARCHIVELOG mode and has two pluggable databases, HR_PDB and ACCOUNTS_PDB.  An RMAN backup exists for the database.

You issue the command to open ACCOUNTS_PDB and find that the USERDATA. DBF data file for the default permanent tablespace USERDATA belonging to ACCOUNTS_PDB is corrupteD. 

What should you do before executing the commands to restore and recover the data file in ACCOUNTS_PDB?

A. Place CDB1 in the mount stage and then the USERDATA tablespace offline in ACCOUNTS_PDB. 

B. Place CDB1 in the mount stage and issue the ALTER PLUGGABLE DATABASE accounts_pdb CLOSE IMMEDIATE command. 

C. Issue the ALTER PLUGGABLE DATABASE accounts_pdb RESTRICTED command. 

D. Take the USERDATA tablespace offline in ACCOUNTS_PDB. 

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Q5. You are connected to a pluggable database (PDB) as a common user with DBA privileges. The STATISTICS_LEVEL parameter is PDB_MODIFIABLE. You execute the following:

SQL > ALTER SYSTEM SET STATISTICS_LEVEL = ALL SID = ‘*’ SCOPE = SPFILE;

Which is true about the result of this command?

A. The STATISTICS_LEVEL parameter is set to all whenever this PDB is re-opened. 

B. The STATISTICS_LEVEL parameter is set to ALL whenever any PDB is reopened. 

C. The STATISTICS_LEVEL parameter is set to all whenever the multitenant container database (CDB) is restarted. 

D. Nothing happens; because there is no SPFILE for each PDB, the statement is ignored. 

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Q6. You plan to migrate your database from a File system to Automata Storage Management (ASM) on same platform.

Which two methods or commands would you use to accomplish this task?

A. RMAN CONVERT command

B. Data Pump Export and import

C. Conventional Export and Import

D. The BACKUP AS COPY DATABASE . . . command of RMAN

E. DBMS_FILE_TRANSFER with transportable tablespace

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Q7. Which three statements are true about using flashback database in a multitenant container database (CDB)?

A. The root container can be flashed back without flashing back the pluggable databases (PDBs).

B. To enable flashback database, the CDB must be mounted. 

C. Individual PDBs can be flashed back without flashing back the entire CDB. 

D. The DB_FLASHBACK RETENTION_TARGET parameter must be set to enable flashback of the CDB. 

E. A CDB can be flashed back specifying the desired target point in time or an SCN, but not a restore point.

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Q8. In your multitenant container database (CDB) containing pluggable database (PDBs), the HR user executes the following commands to create and grant privileges on a procedure:

CREATE OR REPLACE PROCEDURE create_test_v (v_emp_id NUMBER, v_ename

VARCHAR2, v_SALARY NUMBER, v_dept_id NUMBER)

BEGIN

INSERT INTO hr.test VALUES (V_emp_id, V_ename, V_salary, V_dept_id); 

END;

/

GRANT EXECUTE ON CREATE_TEST TO john, jim, smith, king;

How can you prevent users having the EXECUTE privilege on the CREATE_TEST procedure from inserting values into tables on which they do not have any privileges?

A. Create the CREATE_TEST procedure with definer’s rights.

B. Grant the EXECUTE privilege to users with GRANT OPTION on the CREATE_TEST procedure.

C. Create the CREATE_TEST procedure with invoker’s rights.

D. Create the CREATE_TEST procedure as part of a package and grant users the EXECUTE privilege the package.

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Q9. The following parameter are set for your Oracle 12c database instance:

OPTIMIZER_CAPTURE_SQL_PLAN_BASELINES=FALSE OPTIMIZER_USE_SQL_PLAN_BASELINES=TRUE

You want to manage the SQL plan evolution task manually. Examine the following steps:

1. Set the evolve task parameters.

2. Create the evolve task by using the DBMS_SPM.CREATE_EVOLVE_TASK function.

3. Implement the recommendations in the task by using the DBMS_SPM.IMPLEMENT_EVOLVE_TASK function.

4. Execute the evolve task by using the DBMS_SPM.EXECUTE_EVOLVE_TASK function.

5. Report the task outcome by using the DBMS_SPM.REPORT_EVOLVE_TASK function. Identify the correct sequence of steps:

A. 2, 4, 5

B. 2, 1, 4, 3, 5

C. 1, 2, 3, 4, 5

D. 1, 2, 4, 5

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Q10. In your multitenant container database (CDB) with two pluggable database (PDBs). You want to create a new PDB by using SQL Developer.

Which statement is true?

A. The CDB must be open.

B. The CDB must be in the mount stage.

C. The CDB must be in the nomount stage.

D. Alt existing PDBs must be closeD. 

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Q11. A database is stored in an Automatic Storage Management (ASM) disk group, disk group, DGROUP1 with SQL:

There is enough free space in the disk group for mirroring to be done.

What happens if the CONTROLLER1 failure group becomes unavailable due to error of for maintenance?

A. Transactions and queries accessing database objects contained in any tablespace stored in DGROUP1 will fall.

B. Mirroring of allocation units will be done to ASM disks in the CONTROLLER2 failure group until the CONTROLLER1 for failure group is brought back online.

C. The data in the CONTROLLER1 failure group is copied to the controller2 failure group and rebalancing is initiated. 

D. ASM does not mirror any data until the controller failure group is brought back online, and newly allocated primary allocation units (AU) are stored in the controller2 failure group, without mirroring.

E. Transactions accessing database objects contained in any tablespace stored in DGROUP1 will fail but queries will succeed. 

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Q12. Examine the following commands for redefining a table with Virtual Private Database (VPD) policies:

Which two statements are true about redefining the table?

A. All the triggers for the table are disabled without changing any of the column names or column types in the table.

B. The primary key constraint on the EMPLOYEES table is disabled during redefinition.

C. VPD policies are copied from the original table to the new table during online redefinition.

D. You must copy the VPD policies manually from the original table to the new table during online redefinition.

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Q13. You are administering a database stored in Automatic Storage Management (ASM). You use RMAN to back up the database and the MD_BACKUP command to back up the ASM metadata regularly. You lost an ASM disk group DG1 due to hardware failure.

In which three ways can you re-create the lost disk group and restore the data?

A. Use the MD_RESTORE command to restore metadata for an existing disk group by passing the existing disk group name as an input parameter and use RMAN to restore the data. 

B. Use the MKDG command to restore the disk group with the same configuration as the backed-up disk group and data on the disk group.

C. Use the MD_RESTORE command to restore the disk group with the changed disk group specification, failure group specification, name, and other attributes and use RMAN to restore the data. 

D. Use the MKDG command to restore the disk group with the same configuration as the backed-up disk group name and same set of disks and failure group configuration, and use RMAN to restore the data. 

E. Use the MD_RESTORE command to restore both the metadata and data for the failed disk group.

F. Use the MKDG command to add a new disk group DG1 with the same or different specifications for failure group and other attributes and use RMAN to restore the data. 

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Q14. Your database supports an online transaction processing (OLTP) application. The application is undergoing some major schema changes, such as addition of new indexes and materialized views. You want to check the impact of these changes on workload performance.

What should you use to achieve this?

A. Database replay

B. SQL Tuning Advisor

C. SQL Access Advisor

D. SQL Performance Analyzer

E. Automatic Workload Repository compare reports

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Q15. Which two statement is true concerning dropping a pluggable database (PDB)?

A. The PDB must be open in read-only mode.

B. The PDB must be in mount state.

C. The PDB must be unplugged. 

D. The PDB data files are always removed from disk.

E. A dropped PDB can never be plugged back into a multitenant container database (CDB).

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