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Download Free Oracle 1Z0-083 Exam Questions & Answer [Q46-Q66]

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Understanding functional and technical aspects of Oracle Database Administration II Exam Number: 1Z0-083

The following will be discussed in the ORACLE 1Z0-083 exam dumps:

Configure and using an RMAN recovery catalog
Detect and repair database and database block corruption
Diagnosing Failures - Oracle Database: Backup and Recovery Workshop
Restore and Recovery Concepts - Oracle Database: Backup and Recovery Workshop
Configure your Database to support Flashback
Describe and use Recovery technology for Crash, Complete, and Point-in-time recovry
Using Flashback Technologies - Oracle Database: Backup and Recovery Workshop
Configure RMAN and the Database for Recoverability
Perform flashback operations
Configuring and using RMAN - Oracle Database: Backup and Recovery Workshop
Employ the best Oracle Database recovery technology for your failure situation

NO.46 Which two are true about SQL Performance Analyzer (SPA)? (Choose two.)

It is integrated with the SQL Access Advisor.

It predicts the impact of system changes on SQL workload response time.

It provides before and after execution statistics for each SQL statement in the analysis task

It offers fine-grained analysis of all the SQL statements in the analysis task as a group.

SQL statements that were originally run concurrently are run concurrently by SPA.

NO.47 Which three are located by using environment variables? (Choose three.)

the Optimal Flexible Architecture (OFA) compliant path to store Oracle software and configuration files.

the location of Oracle Net Services configuration files

the list of a disk group names to be mounted by an Oracle Automatic Storage Management (ASM) instance at startup

default directories for temporary files used by temporary tablespaces

the temporary disk space used by Oracle Installer during installation

the maximum number of database files that can be opened by a database instance

NO.48 Which two are true about Oracle Flashback features? (Choose two.)

FLASHBACK QUERY can retrieve REDO records from ONLINE and ARCHIVED REDO LOG files.

FLASHBACK VERSION QUERY can retrieve REDO records from ONLINE and ARCHIVED REDO LOG files.

FLASHBACK TABLE can undrop a column.

FLASHBACK DROP can undrop an index when undropping a table.

After a database is restored from flashback logs using the FLASHBACK DATABASE command, it is sometimes rolled forward using redo logs.

NO.49 Which three are true about upgrading Oracle Grid Infrastructure? (Choose three.)

A direct upgrade can be performed only from the immediately preceding Oracle Grid Infrastructure version.

The newer version is installed in a separate Oracle Grid Infrastructure home on the same server as the existing version.

An existing Oracle base can be used.

The upgrade process will automatically install all mandatory patches for the current version of Oracle Grid Infrastructure.

Existing Oracle Database instances must be shut down before starting the upgrade.

Only the grid user can perform the upgrade.

NO.50 HR_ROOT is an application container with the HR_APP application installed.
No application PDBs and no application seed have yet been created in HR_ROOT.
An application PDB, PDB1, must be created so that the HR_APP application’s common objects are accessible to it.
Which two methods can be used? (Choose two.)

Create an application seed, and install HR_APP in it.

Create the PDB1 application PDB and install HR_APP in it.

Create an application seed, synchronize it with HR_ROOT, and then create the PDB1 application PDB.

Create the PBD1 application PDB and synchronize it with HR_ROOT.

Create the PBD1 application PDB and synchronize it with PDB$SEED.

NO.51 Choose two. RMAN has just been connected to a target database and the recovery catalog database. In which two cases would an automatic full resynchronization occur between this target database’s control file and the RMAN recovery catalog?

when control file metadata for archive log backups or image copies has been overwritten in the target database’s control file due to being older than CONTROL_FILE_RECORD_KEEP_TIME

when a new tablespace is added to a registered target database

when a backup of the current control file is created

when control file metadata for data file backups or image copies has been overwritten in the target database’s control file due to being older than CONTROL_FILE_RECORD_KEEP_TIME

when the target is first registered

NO.52 Which two are true about duplicating pluggable databases (PDBs) with RMAN? (Choose two.)

Two or more PDBs can be duplicated with the same RMAN DUPLICATE command.

All tablespaces belonging to a PDB must be duplicated when duplicating the PDB.

The auxiliary instance is automatically created with ENABLE_PLUGGABLE_DATABASE = TRUE.

A user with SYSDBA or SYSBACKUP must be logged in with RMAN to the PDB to duplicate it.

CDB$ROOT and PDB$SEED are automatically duplicated.

NO.53 Choose three. Which three are true about using an RMAN Recovery Catalog with a pluggable database (PDB) target connection in Oracle Database 19c and later releases?

The base catalog owner must give the Virtual Private Catalog access to metadata for one or more PDBs.

The target PDB must be registered in both the base catalog and the Virtual Private Catalog.

The base catalog must be used by RMAN when performing point-in-time recovery for the PDB registered in the Virtual Private Catalog.

The base catalog must be enabled for Virtual Private Catalog use.

The target PDB must be registered in a Virtual Private Catalog.

The target PDB must be registered in a base catalog.

NO.54 Choose two. Which two are true about the Program Global Area (PGA) and its management in an Oracle database instance?

The entire PGA is located in the System Global Area (SGA) when using shared servers.

PGA_AGGREGATE_LIMIT is a hard limit on the PGA size for any one session.

The private SQL area (UGA) is located in the System Global Area (SGA) when using dedicated servers.

The private SQL area (UGA) is located in the System Global Area (SGA) when using shared servers.

Sorts and Hash Joins use PGA memory.

NO.55 Which two are true about server-generated alerts? (Choose two.)

Stateful alerts must be created by a DBA after resolving the problem.

Stateless alerts can be purged manually from the alert history.

Stateless alerts can be cleared manually.

Stateless alerts are automatically cleared.

Stateful alerts are purged automatically from the alert history

NO.56 You plan to install Oracle Grid Infrastructure for a Standalone Server and Oracle Database for the first time on a server. Examine this command and its outcome: Which two are true? (Choose two.)

oracle will be an owner of the Oracle Inventory.

oracle must be the owner of every Oracle Database installation.

oracle can own an Oracle Database installation but not an Oracle Grid Infrastructure installation.

oracle will be granted the SYSASM privilege when installing the Oracle Database software.

The user account, oracle, and group, oinstall, can be used for all Oracle software installations.

NO.57 Which three are true in Oracle 19c and later releases? (Choose three.)

If the password file location changes, then the new location is used automatically by the Oracle Server.

Schema Only accounts can be granted administrator privileges.

All the Oracle-supplied accounts are Schema Only accounts.

Privilege Analysis is included in Oracle Enterprise Edition and no longer requires Database Vault.

Unified Auditing can be configured to audit only events that are issued indirectly by an audited user.

Unified Auditing can be configured to audit only events that are issued directly by an audited user.

NO.58 Choose three. Your container database, CDB1, is in local undo mode. You successfully execute this command while connected to CDB1: CREATE PLUGGABLE DATABASE pdb1 ADMIN USER pdb1_admin IDENTIFIED BY pdb123 ROLES= (CONNECT) CREATE_FILE_DEST=’/u01/app/oracle/oradata/cdb1/pdb1′ ; Which three are true about PDB1?

It has the same common users defined as does CDB1.

It has only local roles.

It has the same number of roles as CDB1.

Service PDB1 is created for remote logins to PDB1.

It is in mount state after creation.

It has no local users.

NO.59 Choose the best answer. Which should be tuned first when doing a performance tuning exercise for an Oracle Database environment?

log writer performance

database writer performance

general operating system health

SQL statements

database instance memory management and sizes

NO.60 Choose two. Your database is in ARCHIVELOG mode and you plan to use Flashback Database. Which two features or parameters manage space availability in the fast recovery area?

the backup retention policy

the backup optimization policy

the DB_CREATE_ONLINE_LOG_DEST_n parameter setting

the archived log deletion policy

the DB_RECOVERY_FILE_DEST parameter setting

using guaranteed UNDO retention

NO.61 Which two are true about Oracle Optimizer Statistics, their use, and their collection? (Choose two.)

The number of table rows is considered when evaluating the cost of accessing a table using an index.

Index balanced B*Tree height is considered when evaluating the cost of using an index.

The Statistics Advisor can help recommend the best way to gather statistics.

Statistics collected using DBMS_STATS always yield the best optimizer result.

The Statistics Advisor generates actions for all recommendations.

NO.62 Which three are true about requirements for various FLASHBACK operations? (Choose three.)

FLASHBACK transaction query requires undo to retrieve all versions of a row that existed between two points in time.

FLASHBACK drop requires that the RECYCLEBIN parameter be set to ON.

FLASHBACK version query requires that the RECYCLEBIN parameter be set to ON.

FLASHBACK DATA ARCHIVE requires undo to store all versions of all rows of a table being tracked.

FLASHBACK drop requires undo to retrieve all versions of a row that existed between two points in time.

FLASHBACK version query requires undo to retrieve all versions of a row that existed between two points in time.

NO.63 Which four are true about duplicating a database using Recovery Manager (RMAN)? (Choose four.)

Duplication can be done by having the auxiliary database instance pull backup sets from the target database instance.

A connection to an auxiliary instance is always required.

A subset of the target database can be duplicated.

A new DBID is always created for the duplicated database.

A connection to the recovery catalog instance is always required.

A backup of the target database is always required.

Duplication can be done by having the target database instance push copies to the auxiliary database instance.

A connection to the target database instance is always required.

NO.64 Which three are true? (Choose three.)

Virtual Private Database (VPD) policies on objects in an application root are automatically synchronized with all application PDBs contained in the application container.

Application-common TSDP policies are always container specific.

Application-common Transparent Security Data Protection (TSDP) policies can be created only within an application install/patch BEGIN-END block.

Application-common Oracle Label Security (OLS) policies cannot be created in an application root outside an install/patch BEGIN-END block.

Fine-grained auditing (FGA) policies in an application root are automatically synchronized to all application PDBs contained in the application container.

Application-common OLS policies can be created in an application root inside an install/patch BEGIN-END block.

Unified auditing can be automatically synchronized to all application PDBs in an application container.

NO.65 You execute this command successfully: SQL> ALTER DATABASE BACKUP CONTROLFILE TO TRACE; What is the outcome?

It creates a binary backup of the control file.

It updates the alert log with the location and contents of the control file

It creates a file that contains SQL statements to re-create the control file.

It creates a file that contains RMAN scripts to create a duplicate database.

It creates a copy of the control file in the fast recovery area (FRA).

NO.66 Which three can be done using Oracle Database Configuration Assistant (DBCA) starting from Oracle Database 19c? (Choose three.)

cloning a remote container database in interactive mode

cloning a remote pluggable database in silent mode

relocating a remote pluggable database in interactive mode

relocating a remote container database in silent mode

cloning a remote container database in silent mode

relocating a remote pluggable database in silent mode

relocating aremote container database in interactive mode

Oracle 1Z0-083 Exam Syllabus Topics:

Topic	Details
Topic 1	Define and create application PDBs Configure your Database to support Flashback Perform flashback operations
Topic 2	Employ the best Oracle Database recovery technology for your failure situation Install, upgrade and Patch applications
Topic 3	Plug and unplug operations with PDBs and application containers Manage Application PDBs - Oracle Database: Managing Multitenant Architecture Ed 1
Topic 4	Restore and Recovering Databases with RMAN Comparing Local Undo Mode and Shared Undo Mode
Topic 5	Create multi-section backups of very large files Create and administer Application PDBS Detect and repair database and database block corruption
Topic 6	Perform Backup and Recover CDBs and PDBs Create a new PDB from the CDB seed Clone PDBs and Application containers
Topic 7	Understanding and Using The Performance Tuning Methodology Explain the purpose of application root and application seed

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