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Oracle 1z0-062 Certification Exam Answers Solutions for Exam Success, Oracle Database 12c Administration | SPOTO

Welcome to SPOTO's Online Oracle 1z0-062 Mock Tests & Study Materials page, your ultimate destination for mastering Oracle Database 12c Administration certification. Our platform provides a comprehensive array of resources, including practice tests, free tests, online exam questions, sample questions, exam dumps, exam questions and answers, mock exams, and exam materials. Specifically tailored for the Oracle Database 12c: Administration Certification 1Z0-062 exam, our mock tests cover essential topics such as designing consolidation strategies for Container and Pluggable databases, implementing Oracle 12c feature-rich ILM support, optimizing SQL execution with dynamic swapping of sub-plans, and implementing real-time data redaction within databases. Additionally, we explore various performance, backup and recovery, security, and partitioning enhancements. With our latest practice tests, you can confidently prepare to pass the certification exam and propel your career forward. Trust SPOTO to provide you with the tools needed for exam success!

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Question #1
You plan to install the Oracle Database 12c software on a new server. The database will use Automatic Storage Management (ASM) and Oracle Restart. Oracle Grid Infrastructure for a standalone server is already installed on the server. You want to configure job role separation. You create the following operating system users and groups: - The user oracle as the owner of the Oracle database installation - The user grid as the owner of Oracle Grid Infrastructure - The group oinstall as an Oracle Inventory group
A. creating a separate central inventory group for the Oracle Database 12c installation
B. assigning oinstall as the primary group for the oracle user
C. assigning asmadmin and asmoper as primary groups for the oracle user
D. creating OS groups associated with the OSBACKUPDBA, OSDGDBA, and OSKMDBA system privileges
E. assigning asmdba as the secondary group for the oracle user
View answer
Correct Answer: ABD
Question #2
Examine the parameters for your database instance: You execute the following command: SQL> ALTER TABLESPACE undotbs1 RETENTION NOGUARANTEE; Which statement is true in this scenario?
A. Undo data is written to flashback logs after 1200 seconds
B. Inactive undo data is retained for 1200 seconds even if subsequent transactions fail due to lack of space in the undotablespace
C. You can perform a Flashback Database operation only within the duration seconds
D. An attempt is made to keep inactive undo for 1200 seconds but transactions may overwrite the undo before that time has elapsed
View answer
Correct Answer: CDEF
Question #3
In your Database, the TBS PERCENT USED parameter is set to 60 and the TBS PERCENT FREE parameter is set to 20. Which two storage-tiering actions might be automated when using information Lifecycle Management (ILM) to automate data movement? (Choose two.)
A. The movement of all segments to a target tablespace with a higher degree of compression, on a different storage tier, when the source tablespace exceeds TBS PERCENT USED
B. Setting the target tablespace to read-only
C. The movement of some segments to a target tablespace with a higher degree of compression, on a different storage tier, when the source tablespace exceeds TBS PERCENT USED
D. Setting the target tablespace offline
E. The movement of some blocks to a target tablespace with a lower degree of compression, on a different storage tier, when the source tablespace exceeds TBS PERCENT USED
View answer
Correct Answer: AC
Question #4
Your database is configured in ARCHIVELOG mode. Examine the RMAN configuration parameters: Examine the command: RMAN> BACKUP DATABASE PLUS ARCHIVELOG DELETE INPUT; What is the outcome?
A. It fails because the DELETE INPUT option can be used only with the BACKUP AS BACKUPSET command
B. It executes successfully and creates a backup set of the database along with archived log files and then deletes the original archived log files
C. It executes successfully and creates an image copy of the database along with archive log files and then deletes the original archived log files
D. It fails because the DELETE INPUT option can be used only with the BACKUP AS COPY command
View answer
Correct Answer: AD
Question #5
You execute this command: Which two statements are true about segment space management for segments in this tablespace? (Choose two.)
A. Space utilization inside segments is mapped by bitmaps
B. Segments are automatically shrunk and compressed when rows are deleted
C. The PCTFREE storage parameter has no effect on segments created in this tablespace
D. The PCTUSED storage parameter has no effect on segments created in this tablespac
View answer
Correct Answer: B
Question #6
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?
A. Decreasing PCTUSED
B. Decreasing PCTFREE
C. Increasing the number of DBWN process
D. Using Automatic Segment Space Management (ASSM)
E. Increasing db_buffer_cache based on the V$DB_CACHE_ADVICE recommendation
View answer
Correct Answer: A
Question #7
Your production database uses file system storage. You want to move storage to Oracle Automatic Storage Management (ASM). How would you achieve this?
A. by using a transportable database
B. by using the Database Upgrade Assistant (DBUA)
C. by using Data Pump
D. by using RMAN
View answer
Correct Answer: BC
Question #8
You created an encrypted tablespace: You then closed the encryption wallet because you were advised that this is secure. Later in the day, you attempt to create the EMPLOYEES table in the SECURESPACE tablespace with the SALT option on the EMPLOYEE column. Which is true about the result?
A. It creates the table successfully but does not encrypt any inserted data in the EMPNAME column because the wallet must be opened to encrypt columns with SALT
B. It generates an error when creating the table because the wallet is closed
C. It creates the table successfully, and encrypts any inserted data in the EMPNAME column because the wallet needs to be open only for tablespace creation
D. It generates error when creating the table, because the salt option cannot be used with encrypted tablespaces
View answer
Correct Answer: D
Question #9
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?
A. All users except SYS
B. All users except SCOTT
C. All users except sys and SCOTT
D. All users except sys, system, and SCOTT
View answer
Correct Answer: C
Question #10
You find this query being used in your Oracle 12c database: Which method a used by the optimizer to limit the rows being returned?
A. A filter is added to the table query dynamically using ROWNUM to limit the rows to 20 percent of the total rows
B. All the rows are returned to the client or middle tier but only the first 20 percent are returned to the screen or the application
C. A view is created during execution and a filter on the view limits the rows to 20 percent of the total rows
D. A TOP-N query is created to limit the rows to 20 percent of the total rows
View answer
Correct Answer: C
Question #11
What is the effect of specifying the "ENABLE PLUGGABLE DATABASE" clause in a "CREATE DATABASE” statement?
A. It will create a multitenant container database (CDB) with only the root opened
B. It will create a CDB with root opened and seed read only
C. It will create a CDB with root and seed opened and one PDB mounted
D. It will create a CDB that must be plugged into an existing CDB
E. It will create a CDB with root opened and seed mounted
View answer
Correct Answer: B
Question #12
You execute the following commands to audit database activities: SQL > ALTER SYSTEM SET AUDIT_TRIAL=DB, EXTENDED SCOPE=SPFILE; SQL > AUDIT SELECT TABLE, INSERT TABLE, DELETE TABLE BY JOHN By SESSION WHENEVER SUCCESSFUL; Which statement is true about the audit record that generated when auditing after instance restarts?
A. One audit record is created for every successful execution of a SELECT, INSERT OR DELETE command on a table, and contains the SQL text for the SQL Statements
B. One audit record is created for every successful execution of a SELECT, INSERT OR DELETE command, and contains the execution plan for the SQL statements
C. One audit record is created for the whole session if john successfully executes a SELECT, INSERT, or DELETE command, and contains the execution plan for the SQL statements
D. One audit record is created for the whole session if JOHN successfully executes a select command, and contains the SQL text and bind variables used
E. One audit record is created for the whole session if john successfully executes a SELECT, INSERT, or DELETE command on a table, and contains the execution plan, SQL text, and bind variables used
View answer
Correct Answer: AD
Question #13
Identify three valid methods of opening, pluggable databases (PDBs).
A. ALTER PLUGGABLE DATABASE OPEN ALL ISSUED from the root
B. ALTER PLUGGABLE DATABASE OPEN ALL ISSUED from a PDB
C. ALTER PLUGGABLE DATABASE PDB OPEN issued from the seed
D. ALTER DATABASE PDB OPEN issued from the root
E. ALTER DATABASE OPEN issued from that PDB
F. ALTER PLUGGABLE DATABASE PDB OPEN issued from another PDB G
View answer
Correct Answer: BD
Question #14
As a user of the ORCL database, you establish a database link to the remote HQ database such that all users in the ORCL database may access tables only from the SCOTT schema in the HQ database. SCOTT’s password is TIGER. The service mane “HQ” is used to connect to the remote HQ database. Which command would you execute to create the database link?
A. CREATE DATABASE LINK HQ USING 'HQ';
B. CREATE DATABASE LINK HQ CONNECT TO CURRENT_USER USING ‘HQ’;
C. CREATE PUBLICDATABASE LINK HQ CONNECT TO scott IDENTIFIED BY tiger USING 'HQ';
D. CREATE DATABASE LINK HQ CONNECT TO scott IDENTIFIED BY tiger USING 'HQ';
View answer
Correct Answer: B
Question #15
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 disrupt ion to availability is required. Which three statements are true about this requirem
A. The partitions can be moved online to new tablespaces
B. Global indexes must be rebuilt manually after moving the partitions
C. The partitions can be compressed in the same tablespaces
D. The partitions can be compressed in the new tablespaces
E. Local indexes must be rebuilt manually after moving the partitions
View answer
Correct Answer: D
Question #16
You want to flash back a test database by five hours. You issue this command: SQL > FLASHBACK DATABASE TO TIMESTAMP (SYSDATE - 5/24); Which two statements are true about this flashback scenario? (Choose two.)
A. The database must have multiplexed redo logs for the flashback to succeed
B. The database must be MOUNTED for the flashback to succeed
C. The database must use block change tracking for the flashback to succeed
D. The database must be opened in restricted mode for the flashback to succeed
E. The database must be opened with the RESETLOGS option after the flashback is complete
F. The database must be opened in read-only mode to check if the database has been flashed back to the correct SC
View answer
Correct Answer: D
Question #17
Which three features work together, to allow a SQL statement to have different cursors for the same statement based on different selectivity ranges? (Choose three.)
A. Bind Variable Peeking
B. SQL Plan Baselines
C. Adaptive Cursor Sharing
D. Bind variable used in a SQL statement
E. Literals in a SQL statement
View answer
Correct Answer: A
Question #18
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.
A. Add a new temp file to the temporary tablespace and drop the temp file that that produced the error
B. Shut down the database instance, restore the temp01
C. Take the temporary tablespace offline, recover the missing temp file by applying redo logs, and then bring the temporary tablespace online
D. Shutdown the database instance, restore and recover the temp file from the backup, and then open the database with RESETLOGS
E. Shut down the database instance and then restart the CDB and PDBs
View answer
Correct Answer: BD

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