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Pass Your Oracle 1z0-062 Certification Questions & Practice Tests, Oracle Database 12c Administration | SPOTO

Welcome to SPOTO's Pass Your Oracle 1z0-062 Certification Questions & Practice Tests page, your ultimate destination for mastering Oracle Database 12c Administration certification. Our platform offers a comprehensive range of resources, including practice tests, free tests, online exam questions, sample questions, exam dumps, exam questions and answers, mock exams, and exam materials. Tailored specifically for the Oracle Database 12c: Administration Certification 1Z0-062 exam, our practice 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 advance your career. Trust SPOTO to provide you with the tools needed for exam success!

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Question #1
Which statement is true about the loss of a data file belonging to the default undo tablespace?
A. The database remains open in read-only mode
B. The database is put in MOUNT state and requires recovery to be opened
C. The database remains open for querying but no DML statements can be executed except by the users with SYSDBA privilege
D. All the noncommitted transactions are lost
E. The database instance abort
View answer
Correct Answer: D

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Question #2
You administer an online transaction processing (OLTP) system whose database is stored in Automatic Storage Management (ASM) and whose disk group use normal redundancy. One of the ASM disks goes offline, and is then dropped because it was not brought online before DISK_REPAIR_TIME elapsed. When the disk is replaced and added back to the disk group, the ensuing rebalance operation is too slow. Which two recommendations should you make to speed up the rebalance operation if this type of failure happens again?
A. Increase the value of the ASM_POWER_LIMIT parameter
B. Set the DISK_REPAIR_TIME disk attribute to a lower value
C. Specify the statement that adds the disk back to the disk group
D. Increase the number of ASMB processes
E. Increase the number of DBWR_IO_SLAVES in the ASM instance
View answer
Correct Answer: A
Question #3
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?
A. Compare Period ADDM report
B. AWR Compare Period report
C. Active Session History (ASH) report
D. Taking a new snapshot and comparing it with a preserved snapshot
View answer
Correct Answer: A
Question #4
Your single-instance Oracle 12c database home currently supports conventional auditing and uses Automatic Storage Management (ASM). You want to enable unified auditing by executing the command: $ make –fins_rdbms.mk uniaud_on ioracle ORACLE_HOME=$ORACLE_HOME Which two steps should you perform before executing this command? (Choose two.)
A. Ensure that the initialization parameter AUDIT_TRAIL is set to DB
B. Drop any existing fine-grained audit (FGA) policies
C. Stop the listener
D. Shut down the database instance
E. Disable auditing by setting the initialization parameter AUDIT_TRAIL to NONE
View answer
Correct Answer: CE
Question #5
Your database is open in read/write mode and multiple users are connected to the database instance. You execute the following command: SQL> ALTER SYSTEM ENABLE RESTRICTED SESSION; What would be the effect on current sessions?
A. They are not terminated but may only issue queries
B. They are not affected
C. They are terminated immediately
D. They are terminated after completing the transactio
View answer
Correct Answer: A
Question #6
Examine the following command: CREATE TABLE (prod_id number(4), Prod_name varchar2 (20), Category_id number(30), Quantity_on_hand number (3) INVISIBLE); Which three statements are true about using an invisible column in the PRODUCTS table? (Choose three.)
A. The %ROWTYPE attribute declarations in PL/SQL to access a row will not display the invisible column in the output
B. The DESCRIBE commands in SQL *Plus will not display the invisible column in the output
C. Referential integrity constraint cannot be set on the invisible column
D. The invisible column cannot be made visible and can only be marked as unused
E. A primary key constraint can be added on the invisible column
View answer
Correct Answer: ABE
Question #7
What is the effect of setting the STATISTICS_LEVEL initialization parameter to BASIC?
A. Optimizer statistics are collected automatically
B. Only timed operating system (OS) statistics and plan execution statistics are collected
C. Automatic Workload Repository (AWR) snapshots are not generated automatically
D. The Oracle server dynamically generates the necessary object-level statistics on tables as part of query optimization
View answer
Correct Answer: BCFG
Question #8
Examine the command to perform a data pump export operation on a source database: $> expdp hr/hr DIRECTORY=dumpdir DUMPFILE=emp1.dmp VIEWS_AS_TABLE=emp_dept On the target database, you execute the data pump import command: $> impdp hr/hr DIRECTORY=dumpdir DUMPFILE=emp1.dmp VIEWS_AS_TABLE=emp_dept Which three statements are true? (Choose three.)
A. The expdp operation exports data that satisfies the condition of the defining query used to create the EMP_DEPT view
B. The impdp operation creates the view and dependent objects
C. All rows from the dependent objects, along with the metadata required to create the EMP_DEPT view, are exported
D. Objects dependent on the EMP_DEPT view are exported
E. The impdp operation creates EMP_DEPT as table and populates it with the data from the export dump fil
View answer
Correct Answer: BCF
Question #9
Which statement is true about the Log Writer process?
A. It writes when it receives a signal from the checkpoint process (CKPT)
B. It writes concurrently to all members of multiplexed redo log groups
C. It writes after the Database Writer process writes dirty buffers to disk
D. It writes when a user commits a transaction
View answer
Correct Answer: BC
Question #10
You have installed two 64G flash devices to support the Database Smart Flash Cache feature on your database server that is running on Oracle Linux. You have set the DB_SMART_FLASH_FILE parameter: DB_FLASH_CACHE_FILE= ‘/dev/flash_device_1 ‘,’ /dev/flash_device_2’ How should the DB_FLASH_CACHE_SIZE be configured to use both devices?
A. Set DB_FLASH_CACHE_ZISE = 64G
B. Set DB_FLASH_CACHE_ZISE = 64G, 64G
C. Set DB_FLASH_CACHE_ZISE = 128G
D. DB_FLASH_CACHE_SIZE is automatically configured by the instance at startup
View answer
Correct Answer: BDF
Question #11
What is pre-requisite to alter a role?
A. You should be granted the DBA role
B. You should set the OS_ROLES parameter to true
C. You should be granted the role with the GRANT OPTION
D. You should have the ALTER ANY ROLE system privileg
View answer
Correct Answer: D
Question #12
Examine the command: SQL> CONNECT hr/hr@orcl Which two configurations allow this command to execute successfully? (Choose two.)
A. In the tnsnames
B. The SERVICE_NAMES initialization parameter should contain the name orcl in the database host
C. The orcl TNS alias should be defined such that it is resolvable by a client running on the database host
D. The orcl TNS alias should be defined in the tnsnames
E. The TNS_ADMIN environment variable should be set to orcl on the clien
View answer
Correct Answer: A
Question #13
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.)
A. Statistics collection is not done for the CUSTOMERS table when schema stats are gathered
B. Statistics collection is not done for the CUSTOMERS table when database stats are gathered
C. Any existing statistics for the CUSTOMERS table are still available to the optimizer at parse time
D. Statistics gathered on the CUSTOMERS table when schema stats are gathered are stored as pending statistics
E. Statistics gathered on the CUSTOMERS table when database stats are gathered are stored as pending statistics
View answer
Correct Answer: CDE
Question #14
Which four are true about creating and running a remote database scheduler jobs? (Choose four.)
A. A database destination must exist or be created for the remote database
B. It must run as a user that is defined on the remote database
C. Remote database jobs always run as the same user who submits the job on the local database
D. A credential is optional for a remote database job
E. A credential must be created to define the remote user
F. A database destination group must exist or be created for a job to run on multiple remote databases G
View answer
Correct Answer: C
Question #15
What are two benefits of installing Grid Infrastructure software for a stand-alone server before installing and creating an Oracle database?
A. Effectively implements role separation
B. Enables you to take advantage of Oracle Managed Files
C. Automatically registers the database with Oracle Restart
D. Helps you to easily upgrade the database from a prior release
E. Enables the Installation of Grid Infrastructure files on block or raw devices
View answer
Correct Answer: B
Question #16
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
A. 2, 4, 5
B. 2, 1, 4, 3, 5
C. 1, 2, 3, 4, 5
D. 1, 2, 4, 5
View answer
Correct Answer: B
Question #17
You are administering a database and you receive a requirement to apply the following restrictions: 1. A connection must be terminated after four unsuccessful login attempts by user. 2. A user should not be able to create more than four simultaneous sessions. 3. User session must be terminated after 15 minutes of inactivity. 4. Users must be prompted to change their passwords every 15 days. How would you accomplish these requirements?
A. by granting a secure application role to the users
B. by creating and assigning a profile to the users and setting the REMOTE_OS_AUTHENT parameter to FALSE
C. By creating and assigning a profile to the users and setting the SEC_MAX_FAILED_LOGIN_ATTEMPTS parameter to 4
D. By Implementing Fine-Grained Auditing (FGA) and setting the REMOTE_LOGIN_PASSWORD_FILE parameter to NONE
E. By implementing the database resource Manager plan and setting the SEC_MAX_FAILED_LOGIN_ATTEMPTS parameters to 4
View answer
Correct Answer: E

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