Upgrade to Oracle Database 12c 1Z0-060 Questions

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1. Your multitenant container (CDB) contains two pluggable databases (PDB), HR_PDB and ACCOUNTS_PDB, both of which use the CDB tablespace. The temp file is called temp01.tmp.

A user issues a query on a table on one of the PDBs and receives the following error:

ERROR at line 1:

ORA-01565: error in identifying file ‘/u01/app/oracle/oradata/CDB1/temp01.tmp’

ORA-27037: unable to obtain file status

Identify two ways to rectify the error. (Choose two.)

 
 
 
 
 

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

Which two statements are true about redefining the table? (Choose two.)

 
 
 
 

3. Which two statements are true about the use of the procedures listed in the v$sysaux_occupants.move_procedure column? (Choose two.)

 
 
 
 

4. Which statement is true about Oracle Net Listener?

 
 
 
 
 

5. 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?

 
 
 
 
 
 

6. 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?

 
 
 
 

7. Which Oracle Database component is audited by default if the unified Auditing option is enabled?

 
 
 
 
 

8. Execute the command SHUTDOWN ABORT .

Which option identifies the correct sequence to recover the SYSAUX tablespace?

 
 
 
 

9. Which three are direct benefits of the multiprocess, multithreaded architecture of Oracle Database 12c when it is enabled?

 
 
 
 
 
 

10. In order to exploit some new storage tiers that have been provisioned by a storage administrator, the partitions of a large heap table must be moved to other tablespaces in your Oracle 12c database?

Both local and global partitioned B-tree Indexes are defined on the table.

A high volume of transactions access the table during the day and a medium volume of transactions access it at night and during weekends.

Minimal disruption to availability is required.

Which three statements are true about this requirement? (Choose three.)

 
 
 
 
 

11. Which three are true about the large pool for an Oracle database instance that supports shared server connections?

 
 
 
 
 

12. What are three purposes of the RMAN “FROM” clause?

 
 
 
 
 

13. You notice that the performance of your production 24/7 Oracle 12c database significantly degraded. Sometimes you are not able to connect to the instance because it hangs. You do not want to restart the database instance.

How can you detect the cause of the degraded performance?

 
 
 
 
 

14. You plan to use the In-Database Archiving feature of Oracle Database 12c, and store rows that are inactive for over three months, in Hybrid Columnar Compressed (HCC) format.

Which three storage options support the use of HCC? (Choose three.)

 
 
 
 
 
 
 

15. In your multitenant container database (CDB) containing pluggable databases (PDB), users complain about performance degradation.

How does real-time Automatic Database Diagnostic Monitor (ADDM) check performance degradation and provide solutions?

 
 
 
 

16. The tnsnames.ora file has an entry for the service alias ORCL as follows:

The TNSPING command executes successfully when tested with ORCL; however, from the same OS user session, you are not able to connect to the database instance with the following command:

SQL > CONNECT scott/[email protected]

What could be the reason for this?

 
 
 
 
 

17. Stop analyzing the data.

Identify the correct sequence of steps.

 
 
 
 
 

18. Your database is running an ARCHIVELOG mode.

The following parameters are set in your database instance:

Which statement is true about the archived redo log files?

 
 
 
 

19. Your multitenant container database (CDB) is running in ARCHIVELOG mode. You connect to the CDB RMAN.

Examine the following command and its output:

You execute the following command:

RMAN > BACKUP DATABASE PLUS ARCHIVELOG;

Which data files will be backed up?

 
 
 
 

20. You are administering a database stored in Automatic Storage management (ASM). The files are stored in the DATA disk group.

You execute the following command:

What is the result?

 
 
 
 

21. Which three functions are performed by the SQL Tuning Advisor?

 
 
 
 
 

22. Examine the following command:

ALTER SYSTEM SET enable_ddl_logging=FALSE;

Which statement is true?

 
 
 
 

23. Your multitenant container database (CDB) contains three pluggable database (PDBs). You find that the control file is damaged. You plan to use RMAN to recover the control file. There are no startup triggers associated with the PDBs.

Which three steps should you perform to recover the control file and make the database fully operational?

(Choose three.)

 
 
 
 
 
 

24. A new report process containing a complex query is written, with high impact on the database. You want to collect basic statistics about query, such as the level of parallelism, total database time, and the number of I/O requests.

For the database instance STATISTICS_LEVEL, the initialization parameter is set to TYPICAL and the CONTROL_MANAGEMENT_PACK_ACCESS parameter is set to DIAGNOSTIC+TUNING.

What should you do to accomplish this task?

 
 
 
 
 
 

25. Identify two valid options for adding a pluggable database (PDB) to an existing multitenant container database (CDB). (Choose two.)

 
 
 
 
 
 

26. Your database supports a DSS workload that involves the execution of complex queries: Currently, the library cache contains the ideal workload for analysis. You want to analyze some of the queries for an application that are cached in the library cache.

What must you do to receive recommendations about the efficient use of indexes and materialized views to improve query performance?

 
 
 
 
 

27. Report the task outcome by using the DBMS_SPM.REPORT_EVOLVE_TASK function.

Identify the correct sequence of steps:

 
 
 
 

28. In a recent Automatic Workload Repository (AWR) report for your database, you notice a high number of buffer busy waits. The database consists of locally managed tablespaces with free list managed segments.

On further investigation, you find that buffer busy waits is caused by contention on data blocks.

Which option would you consider first to decrease the wait event immediately?

 
 
 
 
 

29. Examine this command:

SQL > exec DBMS_STATS.SET_TABLE_PREFS (‘SH’, ‘CUSTOMERS’, ‘PUBLISH’, ‘false’);

Which three statements are true about the effect of this command? (Choose three.)

 
 
 
 
 

30. Examine the following impdp command to import a database over the network from a pre-12c Oracle database (source):

Which three are prerequisites for successful execution of the command? (Choose three.)

 
 
 
 
 
 

31. Which two are true concerning a multitenant container database with three pluggable database?

 
 
 
 
 

32. Examine the current values for the following parameters in your database instance:

SGA_MAX_SIZE = 1024M

SGA_TARGET = 700M

DB_8K_CACHE_SIZE = 124M

LOG_BUFFER = 200M

You issue the following command to increase the value of DB_8K_CACHE_SIZE:

SQL> ALTER SYSTEM SET DB_8K_CACHE_SIZE=140M;

Which statement is true?

 
 
 
 

33. Which three statements are true concerning unplugging a pluggable database (PDB)?

 
 
 
 
 
 

34. Examine the following command:

Which three statements are true about using an invisible column in the PRODUCTS table?

 
 
 
 
 

35. You wish to enable an audit policy for all database users, except SYS, SYSTEM, and SCOTT.

You issue the following statements:

SQL> AUDIT POLICY ORA_DATABASE_PARAMETER EXCEPT SYS;

SQL> AUDIT POLICY ORA_DATABASE_PARAMETER EXCEPT SYSTEM;

SQL> AUDIT POLICY ORA_DATABASE_PARAMETER EXCEPT SCOTT;

For which database users is the audit policy now active?

 
 
 
 

36. On your Oracle 12c database, you invoked SQL*Loader to load data into the EMPLOYEES table in the HR schema by issuing the following command:

$> sqlldr hr/[email protected] table=employees

Which two statements are true regarding the command? (Choose two.)

 
 
 
 

37. After implementing full Oracle Data Redaction, you change the default value for the NUMBER data type as follows:

After changing the value, you notice that FULL redaction continues to redact numeric data with a zero.

What must you do to activate the new default value for numeric full redaction?

 
 
 
 
 

38. You must track all transactions that modify certain tables in the SALES schema for at least three years.

Automatic undo management is enabled for the database with a retention of one day.

Which two must you do to track the transactions? (Choose two.)

 
 
 
 
 

39. You are the DBA supporting an Oracle 11g Release 2 database and wish to move a table containing several DATE, CHAR, VARCHAR2, and NUMBER data types, and the table’s indexes, to another tablespace.

The table does not have a primary key and is used by an OLTP application.

Which technique will move the table and indexes while maintaining the highest level of availability to the application?

 
 
 
 
 

40. To implement Automatic Management (AMM), you set the following parameters:

When you try to start the database instance with these parameter settings, you receive the following error message:

Identify the reason the instance failed to start.

 
 
 
 

41. What are two benefits of installing Grid Infrastructure software for a stand-alone server before installing and creating an Oracle database? (Choose two.)

 
 
 
 
 

42. Identify two correct statements about multitenant architecture. (Choose two.)

 
 
 
 
 
 

43. You upgrade your Oracle database in a multiprocessor environment.

As a recommended best practice, you execute the following script:

SQL > @utlrp.sql

Which two actions does the script perform? (Choose two.)

 
 
 
 
 
 

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

 
 
 
 
 

45. You notice a high number of waits for the db file scattered read and db file sequential read events in the recent Automatic Database Diagnostic Monitor (ADDM) report. After further investigation, you find that queries are performing too many full table scans and indexes are not being used even though the filter columns are indexed.

Identify three possible reasons for this.

 
 
 
 
 

46. Which three features work together, to allow a SQL statement to have different cursors for the same statement based on different selectivity ranges?

 
 
 
 
 

47. You notice a performance change in your production Oracle 12c database. You want to know which change caused this performance difference.

Which method or feature should you use?

 
 
 
 

48. Issue the SELECT DBMS_STATS.REPORT_COL_USAGE (‘SH’, ‘CUSTOMERS’) FROM dual statement.

Identify the correct sequence of steps.

 
 
 
 

49. Which three statements are true about Automatic Workload Repository (AWR)?

 
 
 
 
 

50. You upgraded your database from pre-12c to a multitenant container database (CDB) containing pluggable databases (PDBs).

Examine the query and its output:

Which two tasks must you perform to add users with SYSBACKUP, SYSDG, and SYSKM privilege to the password file?

 
 
 
 
 

51. An application accesses a small lookup table frequently. You notice that the required data blocks are getting aged out of the default buffer cache.

How would you guarantee that the blocks for the table never age out?

 
 
 
 
 

52. You conned using SQL Plus to the root container of a multitenant container database (CDB) with SYSDBA privilege.

The CDB has several pluggable databases (PDBs) open in the read/write mode.

There are ongoing transactions in both the CDB and PDBs.

What happens alter issuing the SHUTDOWN TRANSACTIONAL statement?

 
 
 
 

53. You are planning the creation of a new multitenant container database (CDB) and want to store the ROOT and SEED container data files in separate directories.

You plan to create the database using SQL statements.

Which three techniques can you use to achieve this? (Choose three.)

 
 
 
 
 

 

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