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Description

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1Z0-060-Oracle database 12c New Feature Number: 1Z0-060 Passing Score: 800 Time Limit: 120 min File Version: 1

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Exam A QUESTION 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

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

Add a new temp file to the temporary tablespace and drop the temp file that that produced the error

Shut down the database instance, restore the temp01

tmp file from the backup, and then restart the database

Take the temporary tablespace offline, recover the missing temp file by applying redo logs, and then bring the temporary tablespace online

Shutdown the database instance, restore and recover the temp file from the backup, and then open the database with RESETLOGS

Shut down the database instance and then restart the CDB and PDBs

Correct Answer: AE QUESTION 2 Examine the following commands for redefining a table with Virtual Private Database (VPD) policies: Which two statements are true about redefining the table

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

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

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

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

Correct Answer: BC QUESTION 3 Which two statements are true about the use of the procedures listed in the v$sysaux_occupants

The procedure may be used for some components to relocate component data to the SYSAUX tablespace from its current tablespace

The procedure may be used for some components to relocate component data from the SYSAUX tablespace to another tablespace

All the components may be moved into SYSAUX tablespace

All the components may be moved from the SYSAUX tablespace

Correct Answer: AB QUESTION 4 Which statement is true about Oracle Net Listener

It acts as the listening endpoint for the Oracle database instance for all local and non-local user connections

A single listener can service only one database instance and multiple remote client connections

Service registration with the listener is performed by the process monitor (PMON) process of each database instance

The listener

ora configuration file must be configured with one or more listening protocol addresses to allow remote users to connect to a database instance

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The listener

ora configuration file must be located in the ORACLE_HOME/network/admin directly

Correct Answer: C QUESTION 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

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

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

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

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

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

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

Correct Answer: CEF QUESTION 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

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

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

Issue the ALTER PLUGGABLE DATABASE accounts_pdb RESTRICTED command

Take the USERDATA tablespace offline in ACCOUNTS_PDB

Correct Answer: D'QUESTION 7 Which Oracle Database component is audited by default if the unified Auditing option is enabled

Oracle Data Pump Oracle Recovery Manager (RMAN) Oracle Label Security Oracle Database Vault Oracle Real Application Security

Correct Answer: B QUESTION 8 Your multitenant container (CDB) containing three pluggable databases (PDBs) is running in ARCHIVELOG mode

You find that the SYSAUX tablespace is corrupted in the root container

The steps to recover the tablespace are as follows: 1

Mount the CDB

Close all the PDBs

Open the database

Apply the archive redo logs

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Restore the data file

Take the SYSAUX tablespace offline

Place the SYSAUX tablespace online

Open all the PDBs with RESETLOGS

Open the database with RESETLOGS

Execute the command SHUTDOWN ABORT

Which option identifies the correct sequence to recover the SYSAUX tablespace

Correct Answer: A QUESTION 9 Which three are direct benefits of the multiprocess, multithreaded architecture of Oracle Database 12c when it is enabled

Reduced logical I/O Reduced virtual memory utilization Improved parallel Execution performance Improved Serial Execution performance Reduced physical I/O Reduced CPU utilization

Correct Answer: BCF QUESTION 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 disrupt ion to availability is required

Which three statements are true about this requirement

The partitions can be moved online to new tablespaces

Global indexes must be rebuilt manually after moving the partitions

The partitions can be compressed in the same tablespaces

The partitions can be compressed in the new tablespaces

Local indexes must be rebuilt manually after moving the partitions

Correct Answer: ABD QUESTION 11 Which three are true about the large pool for an Oracle database instance that supports shared server connections

Allocates memory for RMAN backup and restore operations Allocates memory for shared and private SQL areas Contains a cursor area for storing runtime information about cursors Contains stack space Contains a hash area performing hash joins of tables

Correct Answer: ABC QUESTION 12

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What are three purposes of the RMAN “FROM” clause

to support PUSH-based active database duplication to support synchronization of a standby database with the primary database in a Data environment To support PULL-based active database duplication To support file restores over the network in a Data Guard environment To support file recovery over the network in a Data Guard environment

Correct Answer: BCE QUESTION 13 You notice that the performance of your production 24/7 Oracle 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

Enable Memory Access Mode, which reads performance data from SGA

Use emergency monitoring to fetch data directly from SGA analysis

Run Automatic Database Diagnostic Monitor (ADDM) to fetch information from the latest Automatic Workload Repository (AWR) snapshots

Use Active Session History (ASH) data and hang analysis in regular performance monitoring

Run ADDM in diagnostic mode

Correct Answer: B QUESTION 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

ASM disk groups with ASM disks consisting of Exadata Grid Disks

ASM disk groups with ASM disks consisting of LUNS on any Storage Area Network array ASM disk groups with ASM disks consisting of any zero padded NFS-mounted files Database files stored in ZFS and accessed using conventional NFS mounts

Database files stored in ZFS and accessed using the Oracle Direct NFS feature Database files stored in any file system and accessed using the Oracle Direct NFS feature ASM disk groups with ASM disks consisting of LUNs on Pillar Axiom Storage arrays

Correct Answer: AEG QUESTION 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

It collects data from It collects data from It collects data from It collects data from

SGA and compares it with a preserved snapshot

SGA, analyzes it, and provides a report

SGA and compares it with the latest snapshot

both SGA and PGA, analyzes it, and provides a report

Correct Answer: B QUESTION 16 The tnsnames

ora file has an entry for the service alias ORCL as follows: The TNS ping 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:

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SQL > CONNECT scott/[email protected] What could be the reason for this

The listener is not running on the database node

The TNS_ADMIN environment variable is set to the wrong value

The orcl

com database service is not registered with the listener

The DEFAULT_DOMAIN parameter is set to the wrong value in the sqlnet

The listener is running on a different port

Correct Answer: C QUESTION 17 Examine the following steps of privilege analysis for checking and revoking excessive, unused privileges granted to users: 1

Create a policy to capture the privilege used by a user for privilege analysis

Generate a report with the data captured for a specified privilege capture

Start analyzing the data captured by the policy

Revoke the unused privileges

Compare the used and unused privileges’ lists

Stop analyzing the data

Identify the correct sequence of steps

Correct Answer: B QUESTION 18 You database is running an ARCHIVELOG mode

The following parameter are set in your database instance: LOG_ARCHIVE_FORMAT = arch+%t_%r

arc LOG_ARCHIVE_DEST_1 = ‘LOCATION = /disk1/archive’ DB_RECOVERY_FILE_DEST_SIZE = 50G DB_RECOVERY_FILE = ‘/u01/oradata’ Which statement is true about the archived redo log files

They are created only in the location specified by the LOG_ARCHIVE_DEST_1 parameter

They are created only in the Fast Recovery Area

They are created in the location specified by the LOG_ARCHIVE_DEST_1 parameter and in the default location $ORACLE_HOME/dbs/arch

They are created in the location specified by the LOG_ARCHIVE_DEST_1 parameter and the location specified by the DB_RECOVERY_FILE_DEST parameter

Correct Answer: A QUESTION 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

Data files that belong to only the root container B

Data files that belong to the root container and all the pluggable databases (PDBs) C

Data files that belong to only the root container and PDB$SEED

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Data files that belong to the root container and all the PDBs excluding PDB$SEED Correct Answer: B QUESTION 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: SQL > ALTER DISKGROUP data ADD ALIAS ‘+data/prod/myfile

45678’

What is the result

The file ‘+data

The file ‘+data

dbf’, and copied to ‘+data/prod’

The file ‘+data

The file ‘myfile

dbf’ is created in ‘+data/prod’ and the reference to ‘+data

Correct Answer: C QUESTION 21 Which three functions are performed by the SQL Tuning Advisor

Building and implementing SQL profiles Recommending the optimization of materialized views Checking query objects for missing and stale statistics Recommending bitmap, function-based, and B-tree indexes Recommending the restructuring of SQL queries that are using bad plans

Correct Answer: ACE QUESTION 22 Examine the following command: ALTER SYSTEM SET enable_ddl_logging=FALSE

Which statement is true

None of the data definition language (DDL) statements are logged in the trace file

Only DDL commands that resulted in errors are logged in the alert log file

A new log

xml file that contains the DDL statements is created, and the DDL command details are removed from the alert log file

Only DDL commands that resulted in the creation of new database files are logged

Correct Answer: A QUESTION 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

Mount the container database (CDB) and restore the control file from the control file auto backup

Recover and open the CDB in NORMAL mode

Mount the CDB and then recover and open the database, with the RESETLOGS option

Open all the pluggable databases

Recover each pluggable database

Start the database instance in the nomount stage and restore the control file from control file auto backup

Correct Answer: CDF

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QUESTION 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

Execute the query and view Active Session History (ASH) for information about the query

Enable SQL trace for the query

Create a database operation, execute the query, and use the DBMS_SQL_MONITOR

REPORT_SQL_MONITOR function to view the report

Use the DBMS_APPLICATION_INFO

SET_SESSION_LONGOPS procedure to monitor query execution and view the information from the V$SESSION_LONGOPS view

Correct Answer: C QUESTION 25 Identify three valid options for adding a pluggable database (PDB) to an existing multitenant container database (CDB)

Use the CREATE PLUGGABLE DATABASE statement to create a PDB using the files from the SEED

Use the CREATE DATABASE

ENABLE PLUGGABLE DATABASE statement to provision a PDB by copying file from the SEED

Use the DBMS_PDB package to clone an existing PDB

Use the DBMS_PDB package to plug an Oracle 12c non-CDB database into an existing CDB

Use the DBMS_PDB package to plug an Oracle 11 g Release 2 (11

Correct Answer: ACD QUESTION 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

Create a SQL Tuning Set (STS) that contains the queries cached in the library cache and run the SQL Tuning Advisor (STA) on the workload captured in the STS

Run the Automatic Workload Repository Monitor (ADDM)

Create an STS that contains the queries cached in the library cache and run the SQL Performance Analyzer (SPA) on the workload captured in the STS

Create an STS that contains the queries cached in the library cache and run the SQL Access Advisor on the workload captured in the STS

Correct Answer: D'QUESTION 27 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

Create the evolve task by using the DBMS_SPM

CREATE_EVOLVE_TASK function

Implement the recommendations in the task by using the DBMS_SPM

IMPLEMENT_EVOLVE_TASK function

Execute the evolve task by using the DBMS_SPM

EXECUTE_EVOLVE_TASK function

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Report the task outcome by using the DBMS_SPM

REPORT_EVOLVE_TASK function

Identify the correct sequence of steps: A

Correct Answer: B QUESTION 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

Decreasing PCTUSED Decreasing PCTFREE Increasing the number of DBWN process Using Automatic Segment Space Management (ASSM) Increasing db_buffer_cache based on the V$DB_CACHE_ADVICE recommendation

Correct Answer: D'QUESTION 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

Statistics collection is not done for the CUSTOMERS table when schema stats are gathered

Statistics collection is not done for the CUSTOMERS table when database stats are gathered

Any existing statistics for the CUSTOMERS table are still available to the optimizer at parse time

Statistics gathered on the CUSTOMERS table when schema stats are gathered are stored as pending statistics

Statistics gathered on the CUSTOMERS table when database stats are gathered are stored as pending statistics

Correct Answer: ACD QUESTION 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

The import operation must be performed by a user on the target database with the DATAPUMP_IMP_FULL_DATABASE role, and the database link must connect to a user on the source database with the DATAPUMP_EXD_FULL_DATABASE role

All the user-defined tablespaces must be in read-only mode on the source database

The export dump file must be created before starting the import on the target database

The source and target database must be running on the same platform with the same endianness

The path of data files on the target database must be the same as that on the source database

The impdp operation must be performed by the same user that performed the expdp operation

Correct Answer: BCE QUESTION 31 Which two are true concerning a multitenant container database with three pluggable database

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All administration tasks must be done to a specific pluggable database

The pluggable databases increase patching time

The pluggable databases reduce administration effort

The pluggable databases are patched together

Pluggable databases are only used for database consolidation

Correct Answer: CDE QUESTION 32 Examine the current value 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

It fails because the DB_8K_CACHE_SIZE parameter cannot be changed dynamically

It succeeds only if memory is available from the autotuned components if SGA

It fails because an increase in DB_8K_CACHE_SIZE cannot be accommodated within SGA_TARGET

It fails because an increase in DB_8K_CACHE_SIZE cannot be accommodated within SGA_MAX_SIZE

Correct Answer: D'QUESTION 33 Which three statements are true concerning unplugging a pluggable database (PDB)

The PDB must be open in read only mode

The PDB must be dosed

The unplugged PDB becomes a non-CDB

The unplugged PDB can be plugged into the same multitenant container database (CDB) The unplugged PDB can be plugged into another CDB

The PDB data files are automatically removed from disk

Correct Answer: BDE QUESTION 34 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

The %ROWTYPE attribute declarations in PL/SQL to access a row will not display the invisible column in the output

The DESCRIBE commands in SQL *Plus will not display the invisible column in the output

Referential integrity constraint cannot be set on the invisible column

The invisible column cannot be made visible and can only be marked as unused

A primary key constraint can be added on the invisible column

Correct Answer: ABC

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QUESTION 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

All users except SYS All users except SCOTT All users except sys and SCOTT All users except sys, system, and SCOTT

Correct Answer: B QUESTION 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

It succeeds with default settings if the EMPLOYEES table belonging to HR is already defined in the database

It fails because no SQL *Loader data file location is specified

It fails if the HR user does not have the CREATE ANY DIRECTORY privilege

It fails because no SQL *Loader control file location is specified

Correct Answer: AC QUESTION 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 zero

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

Re-enable redaction policies that use FULL data redaction

Re-create redaction policies that use FULL data redaction

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

Flush the shared pool

Restart the database instance

Correct Answer: E QUESTION 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

Enable supplemental logging for the database

Specify undo retention guarantee for the database

Create a Flashback Data Archive in the tablespace where the tables are stored

Create a Flashback Data Archive in any suitable tablespace

Enable Flashback Data Archiving for the tables that require tracking

Correct Answer: DE QUESTION 39 Your are the DBA supporting an Oracle 11g Release 2 database and wish to move a table containing

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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

Oracle Data Pump

An ALTER TABLE MOVE to move the table and ALTER INDEX REBUILD to move the indexes

An ALTER TABLE MOVE to move the table and ALTER INDEX REBUILD ONLINE to move the indexes

Online Table Redefinition

Edition-Based Table Redefinition

Correct Answer: D'QUESTION 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: SQL > startup ORA-00824: cannot set SGA_TARGET or MEMORY_TARGET due to existing internal settings, see alert log for more information

Identify the reason the instance failed to start

The PGA_AGGREGATE_TARGET parameter is set to zero

The STATISTICS_LEVEL parameter is set to BASIC

Both the SGA_TARGET and MEMORY_TARGET parameters are set

The SGA_MAX_SIZE and SGA_TARGET parameter values are not equal

Correct Answer: B QUESTION 41 What are two benefits of installing Grid Infrastructure software for a stand-alone server before installing and creating an Oracle database

Effectively implements role separation Enables you to take advantage of Oracle Managed Files

Automatically registers the database with Oracle Restart

Helps you to easily upgrade the database from a prior release

Enables the Installation of Grid Infrastructure files on block or raw devices

Correct Answer: CE QUESTION 42 Identify two correct statements about multitenant architectures

Multitenant architecture can be deployed only in a Real Application Clusters (RAC) configuration

Multiple pluggable databases (PDBs) share certain multitenant container database (CDB) resources

Multiple CDBs share certain PDB resources

Multiple non-RAC CDB instances can mount the same PDB as long as they are on the same server

Patches are always applied at the CDB level

A PDB can have a private undo tablespace

Correct Answer: BE QUESTION 43 You upgrade your Oracle database in a multiprocessor environment

As a recommended you execute the following script: SQL > @utlrp

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Which two actions does the script perform

Parallel compilation of only the stored PL/SQL code Sequential recompilation of only the stored PL/SQL code Parallel recompilation of any stored PL/SQL code Sequential recompilation of any stored PL/SQL code Parallel recompilation of Java code Sequential recompilation of Java code

Correct Answer: CE QUESTION 44 Which statement is true concerning dropping a pluggable database (PDB)

The PDB must be open in read-only mode

The PDB must be in mount state

The PDB must be unplugged

The PDB data files are always removed from disk

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

Correct Answer: B

Es correcto

Nagarjuna

QUESTION 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

Missing or stale histogram statistics Undersized shared pool High clustering factor for the indexes High value for the DB_FILE_MULTIBLOCK_READ_COUNT parameter Oversized buffer cache

Correct Answer: ACD QUESTION 46 Which three features work together, to allow a SQL statement to have different cursors for the same statement based on different selectivity ranges

Bind Variable Peeking SQL Plan Baselines Adaptive Cursor Sharing Bind variable used in a SQL statement Literals in a SQL statement

Correct Answer: ACE QUESTION 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

Compare Period ADDM report B

AWR Compare Period report C

Active Session History (ASH) report

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Taking a new snapshot and comparing it with a preserved snapshot Correct Answer: B QUESTION 48 You want to capture column group usage and gather extended statistics for better cardinality estimates for the CUSTOMERS table in the SH schema

Examine the following steps: 1

Issue the SELECT DBMS_STATS

CREATE_EXTENDED_STATS (‘SH’, ‘CUSTOMERS’) FROM dual statement

Execute the DBMS_STATS

SEED_COL_USAGE (null, ‘SH’, 500) procedure

Execute the required queries on the CUSTOMERS table

Issue the SELECT DBMS_STATS

REPORT_COL_USAGE (‘SH’, ‘CUSTOMERS’) FROM dual statement

Identify the correct sequence of steps

Correct Answer: B QUESTION 49 Which three statements are true about Automatic Workload Repository (AWR)

All AWR tables belong to the SYSTEM schema

The AWR data is stored in memory and in the database

The snapshots collected by AWR are used by the self-tuning components in the database AWR computes time model statistics based on time usage for activities, which are displayed in the v$SYS time model and V$SESS_TIME_MODEL views

AWR contains system wide tracing and logging information

Correct Answer: BCE QUESTION 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

Assign the appropriate operating system groups to SYSBACKUP, SYSDG, SYSKM

Grant SYSBACKUP, SYSDG, and SYSKM privileges to the intended users

Re-create the password file with SYSBACKUP, SYSDG, and SYSKM privilege and the FORCE argument set to No

Re-create the password file with SYSBACKUP, SYSDG, and SYSKM privilege, and FORCE arguments set to Yes

Re-create the password file in the Oracle Database 12c format

Correct Answer: BD QUESTION 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

Configure the KEEP buffer pool and alter the table with the corresponding storage clause

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Increase the database buffer cache size

Configure the RECYCLE buffer pool and alter the table with the corresponding storage clause

Configure Automata Shared Memory Management

Configure Automatic Memory Management-

Correct Answer: A QUESTION 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

The shutdown proceeds immediately

The shutdown proceeds as soon as all transactions in the PDBs are either committed or rolledhack

The shutdown proceeds as soon as all transactions in the CDB are either committed or rolled back

The shutdown proceeds as soon as all transactions in both the CDB and PDBs are either committed or rolled back

The statement results in an error because there are open PDBs

Correct Answer: B QUESTION 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

Use Oracle Managed Files (OMF)

Specify the SEED FILE_NAME_CONVERT clause

Specify the PDB_FILE_NAME_CONVERT initialization parameter

Specify the DB_FILE_NAMECONVERT initialization parameter

Specify all files in the CREATE DATABASE statement without using Oracle managed Files (OMF)

Correct Answer: ABC QUESTION 54 You are about to plug a multi-terabyte non-CDB into an existing multitenant container database (CDB)

The characteristics of the non-CDB are as follows:

0) 64-bit

Transportable database Transportable tablespace Data Pump full export/import The DBMS_PDB package RMAN

Correct Answer: B QUESTION 55 Your database supports an online transaction processing (OLTP) application

The application is undergoing some major schema changes, such as addition of new indexes and

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You want to check the impact of these changes on workload performance

What should you use to achieve this

Database replay SQL Tuning Advisor SQL Access Advisor SQL Performance Analyzer Automatic Workload Repository compare reports

Correct Answer: E QUESTION 56 An administrator account is granted the CREATE SESSION and SET CONTAINER system privileges

A multitenant container database (CDB) instant has the following parameter set: THREADED_EXECUTION = FALSE Which four statements are true about this administrator establishing connections to root in a CDB that has been opened in read only mode

You can conned as a common user by using the connect statement

You can connect as a local user by using the connect statement

You can connect by using easy connect

You can connect by using OS authentication

You can connect by using a Net Service name

You can connect as a local user by using the SET CONTAINER statement

Correct Answer: CDEF QUESTION 57 Examine the following query output: You issue the following command to import tables into the hr schema: $ > impdp hr/hr directory = dumpdir dumpfile = hr_new

dmp schemas=hr TRANSFORM=DISABLE_ARCHIVE_LOGGING: Y Which statement is true

All database operations performed by the impdp command are logged

Only CREATE INDEX and CREATE TABLE statements generated by the import are logged

Only CREATE TABLE and ALTER TABLE statements generated by the import are logged

None of the operations against the master table used by Oracle Data Pump to coordinate its activities are logged

Correct Answer: A QUESTION 58 You notice a performance change in your production Oracle database and you want to know which change has made this performance difference

You generate the Compare Period Automatic Database Diagnostic Monitor (ADDM) report to further investigation

Which three findings would you get from the report

It detects any configuration change that caused a performance difference in both time periods

It identifies any workload change that caused a performance difference in both time periods

It detects the top wait events causing performance degradation

It shows the resource usage for CPU, memory, and I/O in both time periods

It shows the difference in the size of memory pools in both time periods

It gives information about statistics collection in both time periods

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Correct Answer: ABE QUESTION 59 Examine the parameter for your database instance: You generated the execution plan for the following query in the plan table and noticed that the nested loop join was done

After actual execution of the query, you notice that the hash join was done in the execution plan: Identify the reason why the optimizer chose different execution plans

The optimizer used a dynamic plan for the query

The optimizer chose different plans because automatic dynamic sampling was enabled

The optimizer used re-optimization cardinality feedback for the query

The optimizer chose different plan because extended statistics were created for the columns used

Correct Answer: B QUESTION 60 Which three statements are true about adaptive SQL plan management

It automatically performs verification or evolves non-accepted plans, in COMPREHENSIVE mode when they perform better than existing accepted plans

The optimizer always uses the fixed plan, if the fixed plan exists in the plan baseline

It adds new, bettor plans automatically as fixed plans to the baseline

The non-accepted plans are automatically accepted and become usable by the optimizer if they perform better than the existing accepted plans

The non-accepted plans in a SQL plan baseline are automatically evolved, in COMPREHENSIVE mode, during the nightly maintenance window and a persistent verification report is generated

Correct Answer: ADE QUESTION 61 You create a new pluggable database, HR_PDB, from the seed database

Which three tablespaces are created by default in HR_PDB

SYSTEM SYSAUX EXAMPLE UNDO TEMP USERS

Correct Answer: ABE QUESTION 62 Which two statements are true about variable extent size support for large ASM files

The metadata used to track extents in SGA is reduced

Rebalance operations are completed faster than with a fixed extent size An ASM Instance automatically allocates an appropriate extent size

Resync operations are completed faster when a disk comes online after being taken offline

Performance improves in a stretch cluster configuration by reading from a local copy of an extent

Correct Answer: AC QUESTION 63 You executed a DROP USER CASCADE on an Oracle 11g release 1 database and immediately realized that you forgot to copy the OCA

EXAM_RESULTS table to the OCP schema

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The RECYCLE_BIN enabled before the DROP USER was executed and the OCP user has been granted the FLASHBACK ANY TABLE system privilege

What is the quickest way to recover the contents of the OCA

EXAM_RESULTS table to the OCP schema

Execute FLASHBACK TABLE OCA

EXAM_RESULTS TO BEFORE DROP RENAME TO OCP

EXAM_RESULTS

Recover the table using traditional Tablespace Point In Time Recovery

Recover the table using Automated Tablespace Point In Time Recovery

Recovery the table sing Database Point In Time Recovery

Execute FLASHBACK TABLE OCA

EXAM_RESULTS TO BEFORE DROP RENAME TO EXAM_RESULTS

Correct Answer: E QUESTION 64 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)

/ 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

Create the CREATE_TEST procedure with definer’s rights

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

Create the CREATE_TEST procedure with invoker’s rights

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

Correct Answer: C QUESTION 65 You created a new database using the "create database" statement without specifying the "ENABLE PLUGGABLE" clause

What are two effects of not using the "ENABLE PLUGGABLE database" clause

The database is created as a non-CDB and can never contain a PDB

The database is treated as a PDB and must be plugged into an existing multitenant container database (CDB)

The database is created as a non-CDB and can never be plugged into a CDB

The database is created as a non-CDB but can be plugged into an existing CDB

The database is created as a non-CDB but will become a CDB whenever the first PDB is plugged in

Correct Answer: AD QUESTION 66 What is the effect of specifying the "ENABLE PLUGGABLE DATABASE" clause in a "CREATE DATABASE” statement

It will create a multitenant container database (CDB) with only the root opened

It will create a CDB with root opened and seed read only

It will create a CDB with root and seed opened and one PDB mounted

It will create a CDB that must be plugged into an existing CDB

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It will create a CDB with root opened and seed mounted

Correct Answer: B QUESTION 67 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

Set DB_FLASH_CACHE_ZISE = 64G

Set DB_FLASH_CACHE_ZISE = 64G, 64G Set DB_FLASH_CACHE_ZISE = 128G

DB_FLASH_CACHE_SIZE is automatically configured by the instance at startup

Correct Answer: B QUESTION 68 Examine the following parameters for a database instance: MEMORY_MAX_TARGET=0 MEMORY_TARGET=0 SGA_TARGET=0 PGA_AGGREGATE_TARGET=500m Which three initialization parameters are not controlled by Automatic Shared Memory Management (ASMM)

LOG_BUFFER SORT_AREA_SIZE JAVA_POOL_SIZE STREAMS_POOL_SIZE DB_16K_CACHE_SZIE DB_KEEP_CACHE_SIZE

Correct Answer: AEF QUESTION 69 Examine the contents of SQL loader control file: Which three statements are true regarding the SQL* Loader operation performed using the control file

An EMP table is created if a table does not exist

Otherwise, if the EMP table is appended with the loaded data

The SQL* Loader data file myfile1

dat has the column names for the EMP table

The SQL* Loader operation fails because no record terminators are specified

Field names should be the first line in the both the SQL* Loader data files

The SQL* Loader operation assumes that the file must be a stream record format file with the normal carriage return string as the record terminator

Correct Answer: ABE QUESTION 70 In your multitenant container database (CDB) containing pluggable database (PDBs), you granted the CREATE TABLE privilege to the common user C # # A_ADMIN in root and all PDBs

You execute the following command from the root container: SQL > REVOKE create table FROM C # # A_ADMIN

What is the result

It executes successfully and the CREATE TABLE privilege is revoked from C # # A_ADMIN in root only

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It fails and reports an error because the CONTAINER=ALL clause is not used

It excludes successfully and the CREATE TABLE privilege is revoked from C # # A_ADMIN in root and all PDBs

It fails and reports an error because the CONTAINER=CURRENT clause is not used

It executes successfully and the CREATE TABLE privilege is revoked from C # # A_ADMIN in all PDBs

Correct Answer: A QUESTION 71 Which two statements are true concerning the Resource Manager plans for individual pluggable databases (PDB plans) in a multitenant container database (CDB)

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

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

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

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

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

Correct Answer: ABCDE QUESTION 72 You use a recovery catalog for maintaining your database backups

You execute the following command: $rman TARGET / CATALOG rman / [email protected] RMAN > BACKUP VALIDATE DATABASE ARCHIVELOG ALL

Which two statements are true

Corrupted blocks, if any, are repaired

Checks are performed for physical corruptions

Checks are performed for logical corruptions

Checks are performed to confirm whether all database files exist in correct locations Backup sets containing both data files and archive logs are created

Correct Answer: BD QUESTION 73 Which three statements are true concerning the multitenant architecture

Each pluggable database (PDB) has its own set of background processes

A PDB can have a private temp tablespace

PDBs can share the sysaux tablespace

Log switches occur only at the multitenant container database (CDB) level

Different PDBs can have different default block sizes

PDBs share a common system tablespace

Instance recovery is always performed at the CDB level

Correct Answer: BDG QUESTION 74 You notice that the elapsed time for an important database scheduler Job is unacceptably long

The job belongs to a scheduler job class and window

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Which two actions would reduce the job's elapsed time

Increasing the priority of the job class to which the job belongs B

Increasing the job's relative priority within the Job class to which it belongs C

Increasing the resource allocation for the consumer group mapped to the scheduler job's job class within the plan mapped to the scheduler window D

Moving the job to an existing higher priority scheduler window with the same schedule and duration E

Increasing the value of the JOB_QUEUE_PROCESSES parameter F

Increasing the priority of the scheduler window to which the job belongs Correct Answer: BC QUESTION 75 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

RMAN CONVERT command Data Pump Export and import Conventional Export and Import The BACKUP AS COPY DATABASE

command of RMAN DBMS_FILE_TRANSFER with transportable tablespace

Correct Answer: AD QUESTION 76 You run a script that completes successfully using SQL*Plus that performs these actions: 1

Creates a multitenant container database (CDB) 2

Plugs in three pluggable databases (PDBs) 3

Shuts down the CDB instance 4

Starts up the CDB instance using STARTUP OPEN READ WRITE Which two statements are true about the outcome after running the script

The seed will be in mount state

The seed will be opened read-only

The seed will be opened read/write

The other PDBs will be in mount state

The other PDBs will be opened read-only

The PDBs will be opened read/write

Correct Answer: BD QUESTION 77 You execute the following piece of code with appropriate privileges: 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

Data is redacted for the EMP

SAL column only if the SCOTT session does not have the MGR role set

Data is redacted for EMP

SAL column only if the SCOTT session has the MGR role set

Data is never redacted for the EMP_V

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 Answer: AC

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QUESTION 78 Your database is open and the LISTENER listener running

You stopped the wrong listener LISTENER by issuing the following command: lsnrctl > STOP What happens to the sessions that are presently connected to the database Instance

They are able to perform only queries

They are not affected and continue to function normally

They are terminated and the active transactions are rolled back

They are not allowed to perform any operations until the listener LISTENER is started

Correct Answer: B QUESTION 79 Which three statements are true about using flashback database in a multitenant container database (CDB)

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

To enable flashback database, the CDB must be mounted

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

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

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

Correct Answer: BCD QUESTION 80 You execute the following PL/SQL: Which two statements are true

Fine-Grained Auditing (FGA) is enabled for the PRICE column in the PRODUCTS table for SELECT statements only when a row with PRICE > 10000 is accessed

FGA is enabled for the PRODUCTS

PRICE column and an audit record is written whenever a row with PRICE > 10000 is accessed

FGA is enabled for all DML operations by JIM on the PRODUCTS

PRICE column

FGA is enabled for the PRICE column of the PRODUCTS table and the SQL statements is captured in the FGA audit trial

Correct Answer: AB QUESTION 81 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

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

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

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

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

One audit record is created for the whole session if john successfully executes a SELECT, INSERT,

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or DELETE command on a table, and contains the execution plan, SQL text, and bind variables used

Correct Answer: A QUESTION 82 You support Oracle Database 12c Oracle Database 11g, and Oracle Database log on the same server

All databases of all versions use Automatic Storage Management (ASM)

Which three statements are true about the ASM disk group compatibility attributes that are set for a disk group

The ASM compatibility attribute controls the format of the disk group metadata

RDBMS compatibility together with the database version determines whether a database Instance can mount the ASM disk group

The RDBMS compatibility setting allows only databases set to the same version as the compatibility value, to mount the ASM disk group

The ASM compatibility attribute determines some of the ASM features that may be used by the Oracle disk group

The ADVM compatibility attribute determines the ACFS features that may be used by the Oracle 10g database

Correct Answer: ABD QUESTION 83 To enable the Database Smart Flash Cache, you configure the following parameters: DB_FLASH_CACHE_FILE = ‘/dev/flash_device_1’ , ‘/dev/flash_device_2’ DB_FLASH_CACHE_SIZE=64G What is the result when you start up the database instance

It results in an error because these parameter settings are invalid

One 64G flash cache file will be used

Two 64G flash cache files will be used

Two 32G flash cache files will be used

Correct Answer: B QUESTION 84 You executed this command to crea