1Z0-083 - Question Set 2

Question 1:

A schema owner truncated a table in error and must recover the data.
Which Oracle Flashback feature could be used to recover the data?

A. FLASHBACK TRANSACTION
B. FLASHBACK VERSION QUERY
C. FLASHBACK DATA ARCHIVE
D. FLASHBACK TABLE
E. FLASHBACK DATABASE

E

Question 2:

Your CDB has two regular PDBs as well as one application container with two application PDBs and an application seed. No changes have been made to the standard PDB$SEED. How many default temporary tablespaces can be assigned in the CDB?

A. six
B. seven
C. five
D. eight
E. three

D

Question 3:

Which four are true about RMAN backup sets? (Choose four.)

A. A backup piece can belong to only one backup set.
B. A data file can be split into multiple sections stored in different backup sets.
C. A data file can be split into multiple sections stored in different backup pieces in the same backup set.
D. Blocks from multiple data files can be contained in one backup piece.
E. A backup set can contain only one backup piece.
F. A backup set must be written to media.
G. A backup set must be written to disk.
H. Blocks from multiple data files can be contained in one backup set.

ACDH

Question 4:

Which three are true about the tools for diagnosing Oracle Database failure situations? (Choose three.)

A. The ADR command-line utility (ADRCI) can package incident information to send to Oracle Support.
B. The Automatic Diagnostic Repository (ADR) has a separate home directory for each instance of each Oracle product that is installed and uses it.
C. Flashback commands help with repairing physical errors.
D. RMAN can always repair corrupt blocks.
E. The ADR can store metadata in an Oracle Database repository.
F. The Data Recovery Advisor uses the ADR.

ABF

Question 5:

Which two are true about the automatic execution of operating system scripts when performing silent mode installation starting from Oracle Database 19c? (Choose two.)

A. The response file can specify the root or sudo password.
B. The installer will prompt for the root or sudo password.
C. Silent install always runs operating scripts automatically.
D. The response file must contain the root or sudo password.
E. The response file can specify the path of the sudo program.

BE

Question 6:

Which two are true about Rapid Home Provisioning of Oracle software? (Choose two.)
A. It can be used only on nodes with Oracle Grid Infrastructure installed.
B. It can be used to patch existing Oracle software installations.
C. It can be used to create templates of Oracle homes as gold images of only Oracle databases.
D. It can be used to deploy new homes without disrupting active databases.
E. It can be used to create a single-instance Oracle Database in an already-installed Oracle home.
F. It can be used to upgrade only single-instance databases running on Oracle Restart.

BDE

Question 7:

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? (Choose two.)

A. 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
B. 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
C. when a new tablespace is added to a registered target database
D. when a backup of the current control file is created
E. when the target is first registered

CE

Question 8:

Which three are true about Audit policies in container databases (CDBs)?
A. Virtual Private Database (VPD) policies on objects in an application root are automatically synchronized with all application PDBs contained in the application container.
B. Application-common TSDP policies are always container specific.
C. Application-common Transparent Security Data Protection (TSDP) policies can be created only within an application install/patch BEGIN-END block.
D. Application-common Oracle Label Security (OLS) policies cannot be created in an application root outside an install/patch BEGIN-END block.
E. Fine-grained auditing (FGA) policies in an application root are automatically synchronized to all application PDBs contained in the application container.
F. Application-common OLS policies can be created in an application root inside an install/patch BEGIN-END block.
G. Unified auditing can be automatically synchronized to all application PDBs in an application container.

BDG

Question 9:

Which two are true about creating RMAN backups for an Oracle container database? (Choose two.)
A. Tablespaces from different PDBs with identical names must be backed up by connecting RMAN separately to each PDB to back up the tablespaces.
B. The BACKUP DATABASE command will create a pluggable database (PDB) backup when RMAN is connected to a PDB.
C. SPFILE backups can be created while connected to an application root PDB.
D. The BACKUP DATABASE PLUS ARCHIVELOG command will back up archive logs when RMAN is connected to a PDB.
E. The BACKUP PLUGGABLE DATABASE command can be used to back up CDB$ROOT.

BE

Question 10:

Which three are performed by Oracle Automatic Storage Management (ASM) instances? (Choose three.)
A. mounting disk groups
B. managing Allocation Units (AUs) for disk group content
C. managing extent allocation for Oracle database segments
D. acting as an I/O server to write data file blocks to ASM disks on behalf of Database Writer processes (DBWn)
E. managing space allocation for Oracle ASM files
F. acting as an I/O server to read data file blocks from ASM disks on behalf of database server processes

ABE

Question 11:

Which statements are true regarding killing a session in an Oracle 19c database? (Choose two.) 
A. A session with same SID and serial number cannot exist in multiple PDBs on same instance at a given time point of time.
B. When connected to a PDB, u can kill sessions of current PDB and sessions from other PDBs which are running a select on tables of current PDB.
C. A session with same SID and serial number may exist in multiple PDBs on same instance at a given point of time.
D. When connected to CDB$ROOT as SYSDBA, you can kill any session across all pluggable databases.
E. When connected to CDB$ROOT as SYSDBA, you can kill only root container sessions.
F. When connected to CDB$ROOT as SYSDBA, you can kill sessions of a PDB open in MOUNTED state.

AD

Question 12:

Which should be tuned first when doing a performance tuning exercise for an Oracle Database environment?
A. SQL statements
B. log writer performance
C. general operating system health
D. database writer performance
E. database instance memory management and sizes

A

Question 13:

Which three are true about recovery operations done without using Recovery Manager (RMAN)? (Choose three.)
A. A lost SPFILE can be recovered from memory using SQL*PLUS.
B. A lost password file can be re-created with SQL*PLUS.
C. A lost TEMPFILE must always be re-created manually.
D. A lost password file can be manually re-created with the orapwd utility.
E. A lost PFILE can be re-created with alert.log using SQL*PLUS.
F. A lost index tablespace can be re-created without performing any recovery.

ADF

Question 14:

Which two are true about unplugging an application container from a container database and plugging it into a different container database?
A. Application PDBs In the application container must be unplugged before the application root Is unplugged.
B. Unplugging the application root from a CDB unplugs all its application PDBs.
C. It requires only local undo mode in the database where the application container will be unplugged.
D. The application root of an application container should be plugged Into the other CDB before Its application PDBs are plugged in.
E. Plugging the application root into a different CDB plugs In all its application PDBs.
F. It requires local undo mode in both container databases.

AD

Question 15:

Which three are true about using Database Upgrade Assistant (DBUA) to upgrade a database? (Choose three.)
A. The Pre-Upgrade Information Tool script is executed by DBUA.
B. DBUA must be launched from the target Oracle Home.
C. All pluggable databases are automatically upgraded as part of a container database upgrade.
D. A whole database backup must exist before upgrade
E. The database must be opened in read-only mode.
F. Multiple databases with the same ORACLE_HOME can be upgraded simultaneously.

ABC

Question 16:

Which three are true about block media recovery? (Choose three.)
A. The data file containing the block being recovered remains online.
B. To use it, Flashback Database must be enabled.
C. A block being recovered is not accessible.
D. It can be performed on noncorrupt blocks.
E. The target database for which one or more blocks are to be recovered must be in the OPEN state.
F. It cannot repair logical corruption.

ACD

Question 17:

Which parameters can be set at pluggable database level? (Choose three.)
PGA_AGGREGATE_LIMIT : The maximum PGA size for the PDB.
PGA_AGGREGATE_TARGET : The target PGA size for the PDB.
SGA_TARGET : The maximum SGA size for the PDB.

The following parameters can be set at the PDB level. DB_CACHE_SIZE : The minimum buffer cache size for the PDB. SHARED_POOL_SIZE : The minimum shared pool size for the PDB. PGA_AGGREGATE_LIMIT : The maximum PGA size for the PDB. PGA_AGGREGATE_TARGET : The target PGA size for the PDB. SGA_MIN_SIZE : The minimum SGA size for the PDB. SGA_TARGET : The maximum SGA size for the PDB. Question 18:

Which statement correctly describes the SQL profiling performed by the SQL Tuning Advisor?
A. It is a set of recommendations by the optimizer to create new indexes.
B. It is a set of recommendations by the optimizer to restructure a SQL statement to avoid suboptimal execution plans.
C. It is auxiliary information collected by the optimizer for a SQL statement to help use better joins orders.
D. It is auxiliary information collected by the optimizer for a SQL statement to eliminate estimation error.
E. It is a set of recommendations by the optimizer to change the access methods used.

D

Question 19:

Which three are true about SGA memory management in a multitenant database? (Choose three.)
A. Setting DB_CACHE_SIZE for a PDB guarantees a minimum amount of Database Buffer Cache memory for that PDB.
B. The SHARED_POOL_SIZE setting for a PDB can be up to 80% of the SHARED_POOL_SIZE setting of the root container.
C. Setting SHARED_POOL_SIZE for a PDB guarantees a minimum amount of Shared Pool memory for that PDB.
D. The SGA_TARGET setting for a PDB cannot exceed 50% of the SGA_TARGET value of the root container.
E. Setting SGA_TARGET for a PDB guarantees a minimum amount of SGA memory for that PDB.
F. SGA_MIN_SIZE cannot be set for a PDB.

ACE

Question 20:

 
Which two are true about reclaiming space used by Flashback logs in Oracle Database 19c and later releases? (Choose two.)
A. Space is always reclaimed automatically when the retention period for Flashback logs is lowered.
B. Space might be reclaimed proactively before space pressure occurs.
C. Space might be reclaimed automatically when the retention period for Flashback logs is lowered.
D. Space is only reclaimed when there is space pressure in the Fast Recovery Area. (FRA)
E. Space is always reclaimed proactively before space pressure occurs.

AE

Question 20a:

Which two are true about flashback features in Oracle Database 19c and later releases? (Choose two.)
A. Flashback logs are automatically purged when DB_FLASHBACK_RETENTION_TARGET is set lower than the time they have already been retained.
B. Flashback logs are monitored and proactively deleted when beyond the retention period defined in DB_FLASHBACK_RETENTION_TARGET only after there is space pressure.
C. Flashback logs are monitored and proactively deleted when beyond the retention period defined in DB_FLASHBACK_RETENTION_TARGET before there is space pressure.
D. Flashback logs are monitored for being older than the retention period defined in DB_FLASHBACK_RETENTION_TARGET and can be deleted by an administrator written event trigger.
E. Flashback logs are automatically purged whenever the value of DB_FLASHBACK_RETENTION_TARGET is changed.

AC

Question 21:

 
Which two are true about backup set compression using RMAN default compression? (Choose two.)
A. Compressed backups can be written only to media.
B. Binary compression adds CPU overhead to backup operations.
C. Unused blocks below the high water mark are backed up.
D. Compressed backups cannot have a section size defined.
E. Compression can be done only for locally managed tablespaces.

BE

Question 22:

Which two are true about RMAN backups when using a media manager? (Choose two.)
A. A media manager always writes RMAN requested backups to tape.
B. By default, a request for a proxy copy may result in a backup set being created.
C. A media manager is required to create RMAN proxy copies.
D. A media manager is required to create RMAN image copies.
E. The media manager layer (MML) routines provided by Oracle support any vendors' media management products.

BC

Question 23:

 
Which two are true about an RPM-based Oracle Database installation? (Choose two.)
A. It uses a service configuration script to create a single-instance database as part of the installation.
B. From Oracle Database 18c, a single RPM can be used to install only Oracle Database Server for a single instance.
C. It performs a software-only Oracle Database installation.
D. It includes the Oracle Preinstallation RPM.
E. It requires an Unbreakable Linux Network (ULN) subscription.

AC

Question 24:

Which three are true about recovering tables using RMAN? (Choose three.)
A. RMAN can recover tables in the SYSAUX tablespace.
B. RMAN can recover tables owned by the SYS user.
C. RMAN can recover tables in the SYSTEM tablespace.
D. RMAN always uses an auxiliary instance.
E. RMAN can recover tables in a standby database.
F. RMAN can recover a table after a DDL operation has altered the table structure.
G. RMAN can recover tables owed by the SYSTEM user. 

DFG

Question 25:

 
Which operating system group is NOT needed to perform an Oracle Database installation?
A. OSASM
B. OSKMDBA
C. OSDBA
D. OSOPER
E. OSRACDBA

A

Question 26:

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? (Choose three.)

A. Service PDB1 is created for remote logins to PDB1.
B. It is in mount state after creation.
C. It has no local users.
D. It has the same number of roles as CDB1.
E. It has the same common users defined as does CDB1.
F. It has only local roles.

ABE

Question 27:

Which three are true about interpreting Recovery Manager (RMAN) error stacks returned to standard output? 
A. Some messages in the error stack are not errors.
B. If an RMAN command fails, the output will only identify the command that failed.
C. If an RMAN command fails, the output will identify the channel ID where the failure occurred.
D. Media Management errors appear as a line with sbtio and a number.
E. Media Management errors appear as a line with sbtio.
F. Media Management errors appear as a line with Additional information and a number.

ACF

Question 28:

Which statements are true about SGA_MIN_SIZE? (Choose three.)
A. It is modifiable in a CDB
B. In a PDB range of values for this parameter is 0 to 100% of SGA_MAX_SIZE at the CDB
C. It can be set via the ALTER DATABASE command.
D. It indicates a possible minimum value for SGA usage of all pluggable databases (PDBs) in a CDB
E. In a PDB range of values for this is 0 to 50% of SGA_MAX_SIZE at the CDB
F. It is modifiable in a PDB
G. Setting this value at CDB level has no effect 

BFG

Question 29:

 
Which two are true about RMAN duplexed backup sets? (Choose two.)
A. They can be written only to disk.
B. They must be written to media.
C. They can be created by using the RMAN CONFIGURE command to specify duplexing before taking a backup.
D. They can be created only by using the COPIES option of a BACKUP command.
E. They can be written to media.

CE

Question 30:

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? (Choose two.)
A. the archived log deletion policy
B. the backup optimization policy
C. the backup retention policy
D. using guaranteed UNDO retention
E. the DB_CREATE_ONLINE_LOG_DEST_n parameter setting
F. the DB_RECOVERY_FILE_DEST parameter setting

AC

Question 31:

 
Application PDBs, SALES_APP1 and SALES_APP2, must be created and they must access common tables of the SALES_APP application.

Examine these steps:

1. Install the SALES_APP application, including the common tables, in the application root.
2. Install the SALES_APP application in the application root and the common tables in both the CDB root and the application root.
3. Create an application seed.
4. Install the SALES_APP application in the application seed.
5. Create the SALES_APP1 and SALES_APP2 application PDBs.
6. Sync the SALES_APP1 and SALES_APP2 application PDBs with the application root.
7. Sync the SALES_APP1 and SALES_APP2 application PDBs with the application seed.
8. Sync the application seed with the application root.

Which are the minimum required steps in the correct sequence?
A. 3, 4, 1, 6, 8
B. 2, 5, 6
C. 1, 5, 6
D. 1, 3, 5, 6, 7
E. 1, 3, 5, 7

C

Question 32:

Which two are true about Optimizer Statistics? (Choose two.)
A. They can be gathered by the DBMS_STATS package.
B. They are gathered by the SQL Tuning Advisor.
C. They provide real-time data about schema objects.
D. They are ignored by Optimizer if they are stale.
E. By default, they are automatically gathered by a maintenance job.

AE

Question 33:

Which three capabilities require the use of the RMAN recovery catalog? (Choose three.)
A. using the KEEP FOREVER clause with the BACKUP command
B. using RMAN stored scripts
C. using the REPORT SCHEMA command to list a database's current data files and tablespaces
D. creating customized reports about a single database's backups
E. creating encrypted backups
F. using the REPORT SCHEMA command to list a database's data files and tablespaces at times in the past

ABF

Question 34:

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.)
A. Create an application seed, and install HR_APP in it.
B. Create the PDB1 application PDB and install HR_APP in it.
C. Create an application seed, synchronize it with HR_ROOT, and then create the PDB1 application PDB.
D. Create the PBD1 application PDB and synchronize it with HR_ROOT.
E. Create the PBD1 application PDB and synchronize it with PDB$SEED.

CD

Question 35:

Examine these queries and their output:
SQL> SELECT pdn_name, name, pdb_restore_point, clean_pdb_restore_point from v$restore_point natural join dba_pdbs;

PDB1  R1	YES		NO

SQL> SELECT property_name, property_value from database_properties where property_name like '%UNDO%';  
LOCAL_UNDO_ENABLED		FALSE

An online RMAN backup of the CDB was taken an hour before Restore Point R1 was created. You want to recover PDB1 to Restore Point R1. How do you achieve this?
A. Execute FLASHBACK PLUGGABLE DATABASE PDB1 TO RESTORE POINT R1 by using RMAN while connected to PDB1.
B. Execute FLASHBACK PLUGGABLE DATABASE PDB1 TO RESTORE POINT R1 by using SQL while connected to PDB1.
C. Execute FLASHBACK PLUGGABLE DATABASE PDB1 TO RESTORE POINT R1 by using SQL while connected to CDB$ROOT.
D. Execute FLASHBACK PLUGGABLE DATABASE PDB1 TO RESTORE POINT R1 by using RMAN while connected to CDB$ROOT.
E. This cannot be done due to the lack of a clean restore point.

D

Question 36:

Which three are true about RMAN archival backups with the RESTORE POINT clause? (Choose three.)
A. All archive logs are retained after an archival backup is taken, until the next archival backup is taken of the same database.
B. The SPFILE is included in the archival backup.
C. They are never considered obsolete by RMAN.
D. Archive logs are retained if they are necessary to allow the database to be recovered to a consistent state when an archival backup is restored.
E. The ARCHIVAL attribute for a backup overrides the RMAN retention policy.
F. They can optionally be written to a fast recovery area (FRA).
G. Use of a recovery catalog is always required to support the creation and use of archival backups.

BDE

Question 37:

 
The HR_ROOT application container must support the execution of a query on a table shared by application local PDBs PDB1 and PDB2, 
and remote PDB PDB3. Which three are true? (Choose three.)
A. A proxy PDB must exist in the application root in the remote CDB.
B. A database link must exist in the local CDB root referring to the remote CDB.
C. PDB3's application root replica must exist in the local CDB.
D. A database link must exist in the remote CDB referring to the local CDB.
E. The HR_ROOT replica must exist in the remote CDB.
F. A proxy PDB must exist in the application root in the local CDB.

BEF

Question 38:

Which three are true about using an RMAN Recovery Catalog with a pluggable database (PDB) target connection in Oracle Database 19c and later releases? (Choose three.)
A. The base catalog owner must give the Virtual Private Catalog access to metadata for one or more PDBs.
B. The base catalog must be enabled for Virtual Private Catalog use.
C. The target PDB must be registered in a base catalog.
D. The base catalog must be used by RMAN when performing point-in-time recovery for the PDB registered in the Virtual Private Catalog.
E. The target PDB must be registered in a Virtual Private Catalog.
F. The target PDB must be registered in both the base catalog and the Virtual Private Catalog.

ABC

Question 39:

Which three activities are possible for PDBs? (Choose three.)
A. converting an application PDB to a regular PDB
B. converting an application PDB to an application root
C. converting an application seed to an application PDB
D. converting an application PDB to an application seed
E. converting a regular PDB to an application PDB
F. converting an application container into another application container in a different CDB
G. converting an application container into another application container in the same CDB

CDE

Question 40:

You want to transport the UNIVERSITY tablespace from one database to another. The UNIVERSITY tablespace is currently open read/write.
The source and destination platforms have the same endian format. Examine this list of steps:. 
1. Make the UNIVERSITY tablespace read-only on the source system. 
2. Export the UNIVERSITY tablespace metadata using EXPDP. 
3. Create a cross-platform backup set from the UNIVERSITY tablespace on the source system, using an RMAN command that includes the DATAPUMP clause. 
4. Copy the cross-platform backup sets to the destination system. 
5. Copy the Data Pump dump set from the source to the destination system. 

6. Restore the cross-platform backup set on the destination sy stem using an RMAN command that includes the DATAPUMP clause. 7. Import the UNIVERSITY tablespace metadata using IMPDP. 8. Make the UNIVERSITY tablespace read/write on the destination system. Which are the minimum number of steps required, in the correct order, to transport the UNIVERSITY tablespace? 

A. 1, 3, 4, 6, 8 

B. 3, 4, 6 

C. 1, 2, 3, 4, 5, 6, 7, 8 

D. 2, 3, 4, 5, 6, 7 

 A

Question 41.

 
Which three are true about the Oracle Optimizer? (Choose three.)
A. It obeys all hints.
B. It considers the filters in WHERE clauses when generating execution plans for SQL statements.
C. It can re-optimize execution plans after previous executions detect suboptimal plans.
D. It considers object statistics when generating execution plans for SQL statements.
E. It updates stale object statistics in the Data Dictionary.
F. It can only use SQL Plan Directives tied to the SQL statement for which a plan is being generated.

BCD

Question 42:

 
Examine this configuration: CDB1 and CDB2 are two container databases. PDB1 is a pluggable database in CDB1. 
PDB1_C1_SRV is a service for PDB1. CDB1_LINK is a database link in CDB2 referring to PDB1. 
CDB2 is also an entry in tnsnames.ora pointing to the CDB2 database default service. 
You execute these commands successfully: 
$ sqlplus sys/oracle_4U@cdb2 as sysdba 
SQL> CREATE PLUGGABLE DATABASE PDB1 FROM PDB1@CDB1_LINK SERVICE_NAME_CONVERT=('PDB1_C1_SRV','PDB1_C2_SRV');
Which two are true? (Choose two.)


A. PDB1 will be created in CDB2 and automatically opened.
B. PDB1 will be created in CDB2 and left in MOUNT state.
C. PDB1_C1SRV in CDB1 will be renamed PDB1_C2_SRV.
D. PDB1_C2_SRV will be created and started automatically.
E. PDB1_C2_SRV will be created but not started.

BE

Question 43:

Which three are true about an application container? (Choose three.)
A. It can contain a single application.
B. It can contain multiple applications.
C. It must have an application seed PDB.
D. It must have an application root PDB.
E. Two application containers can share an application seed PDB.
F. An application PDB can belong to multiple application containers.

ABD

Question 44:

Which three are true about the FLASHBACK DATABASE feature? (Choose three.)
A. FLASHBACK LOGS are archived after a log switch.
B. A database can be flashed back using SQL*PLUS.
C. Queries and DML have the same FLASHBACK LOG overhead when flashback is enabled for a database.
D. FLASHBACK DATABASE only uses FLASHBACK LOGS to get the database to the desired flashback time.
E. It always generates REDO and UNDO.
F. It requires that the target database be in ARCHIVELOG mode.

BEF

Question 45:

Which are three of the steps taken by Database Configuration Assistant (DBCA) to clone a remote pluggable database (PBD) starting from Oracle 19c? (Choose three.)
A. creating a database link from CDB$ROOT in the local database to the PDB in the remote system that is to be cloned
B. creating a database link from CDB$ROOT in the local database to CDB$ROOT in the remote system that is to be cloned
C. creating a new empty PDB in the local database from PDB$SEED
D. creating a database link from CDB$ROOT in the remote database to be cloned to CDB$ROOT in the local database
E. automatically dropping the database link to the remote database if it already exists
F. creating a database link from CDB$ROOT in the remote database to the PDB in the local database
G. opening the cloned PDB

BEG

Question 45a:

Which are two of the steps taken by Database Configuration Assistant (DBCA) to clone a remote pluggable database (PDB) starting from Oracle 19c? (Choose two.)

A. backing up the cloned PDB
B. opening the cloned PDB
C. creating a database link from CDB$ROOT in the local database to CDB$ROOT in the remote system that is to be cloned
D. creating a database link from CDB$ROOT in the local database to the PDB in the remote system that is to be cloned
E. leaving the cloned PDB in mount state

BC

Question 46:

 
You issued this command: 
RMAN> BACKUP RECOVERY AREA FORCE; Which three are true? (Choose three.)
A. All files in the current FRA that have been backed up already, are backed up.
B. All Oracle recovery files normally written to the FRA and which have been backed up already to the current FRA, are backed up.
C. All Oracle recovery files normally written to the FRA and which have been backed up already to in any previous FRA, are backed up.
D. All Oracle recovery files normally written to the FRA and which have not yet been backed up, are backed up.
E. All files in any previous FRA that have not yet been backed up, are backed up.
F. All files in the current fast recovery area (FRA) that have not yet been backed up, are backed up.
G. All files in any previous FRA that have been backed up already, are backed up.

BCD

Question 47:

 
Which three are true about actions that can or cannot be performed by users with the SYSBACKUP privilege? (Choose three.)
A. They can view data from any data dictionary view or dynamic performance view.
B. They cannot create restore points.
C. They cannot drop tablespaces.
D. They can create any table.
E. They can drop any tablespace.
F. They can view data from any user-defined tables.

ADE

Question 48:

 
Examine this configuration: CDB1 is a container database running in ARCHIVELOG mode. 
Multiple uncommitted transactions are running in CDB1. Redo log groups 1 and 2 are INACTIVE. Redo log group 3 is the CURRENT group. 
All members of redo log group 3 are lost before it is archived. 
Examine these possible steps: 
1. SHUTDOWN ABORT 
2. STARTUP NOMOUNT 
3. STARTUP MOUNT 
4. ALTER DATABASE MOUNT 
5. RESTORE DATABSE 
6. RECOVER DATABASE NOREDO 
7. RECOVER DATABASE UNTIL AVAILABLE 
8. RESTORE ARCHIVELOG ALL 
9. ALTER DATABSE OPEN 
10.ALTER DATABASE OPEN RESETLOGS 
Choose the minimum required steps in the correct order to recover the database.
A. 1, 3, 5, 8, 6, 10
B. 1, 3, 5, 6, 10 
C. 1, 3, 5, 7, 10
D. 1, 2, 5, 7, 4, 10
E. 1, 3, 5, 6, 9

B

Question 49:

 
Examine this configuration:
1. CDB1 is a container database.
2. APP_ROOT is an application root in CDB1.
3. APP_PDB1 is an application PDB in APP_ROOT.
4. FLASHBACK DATABASE is ON.
You execute these commands:

SELECT CURRENT_SCN FROM v$database;
304567
CREATE TABLE C1_TAB (C1 NUMBER);
ALTER SESSION SET CONTAINER = app_root;
CREATE TABLE app_root_tab (C1 NUMBER);
ALTER SESSION SET CONTAINER = APP_PDB1;
CREATE TABLE APP_PDB1_TAB (c1 NUMBER);
conn sys / as SYSDBA
ALTER PLUGGABLE DATABASE APP_ROOT CLOSE;
FLASHBACK PLUGGABLE DATABASE APP_ROOT TO SCN 304567;

Which table or set of tables will exist after the Flashback operation has completed?
A. CDB1_TAB, APP_ROOT_TAB, and APP_PDB1_TAB
B. CDB1_TAB and APP_PDB1_TAB
C. none of the tables, because all three tables will be dropped
D. CDB1_TAB only
E. CDB1_TAB and APP_ROOT_TAB

B

Question 50:

 
You plan to perform cross-platform PDB transport using XTTS. Which two are true? (Choose two.)
A. A backup of the PDB must exist, taken using the BACKUP command with the TO PLATFORM clause.
B. The source PDB must be in MOUNT state.
C. The source PDB must not be an application root.
D. The source PDB can be in MOUNT or OPEN state.
E. The source and target platforms must have the same endianness.
F. Automatic conversion of endianness occurs.

BE

Question 51:

 
Examine this configuration: CDB1 is an Oracle Database 12c Release 2 container database (CDB). 
PDB1 and PDB2 are two pluggable databases (PDBs) in CDB1. After successfully performing all the preupgrade tasks, 
you execute these commands from the Oracle Database 18c environment:

export ORACLE_SID = cdb1;
sqlplus / as sysdba
STARTUP UPGRADE
show pdbs
ALTER PLUGGABLE DATABASE PDB1 OPEN UPGRADE;

$ORACLE_SID/perl/bin/perl catctl.pl -C 'PDB2';

A. It fails because PDB$SEED is in MIGRATE state.
B. Only CDB$ROOT, PDB$SEED, and PDB2 are upgraded.
C. Only CDB$ROOT, PDB$SEED, and PDB1 are upgraded.
D. CDB$ROOT, PDB$SEED, PDB1, and PDB2 are upgraded.
E. Only CDB$ROOT and PDB$SEED are upgraded.
F. It fails because PDB2 is not in UPGRADE state.

C

Question 52:

Which three can be done using Oracle Database Configuration Assistant (DBCA) starting from Oracle Database 19c? (Choose three.)
A. cloning a remote container database in interactive mode
B. cloning a remote pluggable database in silent mode
C. relocating a remote pluggable database in interactive mode
D. relocating a remote container database in silent mode
E. cloning a remote container database in silent mode
F. relocating a remote pluggable database in silent mode
G. relocating a remote container database in interactive mode

BEF

Question 53:

Which three are true about creating container databases (CDBs) and pluggable databases (PDBs) in Oracle 19c and later releases? (Choose three.)
A. A PDB snapshot can be a sparse copy of a source PDB.
B. A PDB snapshot depends on an existing storage snapshot of the source PDB.
C. A CDB can be duplicated using Recovery Manager (RMAN) with no configuration required before starting the duplication.
D. A CDB can be duplicated using the Database Configuration Assistant (DBCA) in silent mode with no configuration required before starting the duplication.
E. A PDB snapshot can be a full copy of a source PDB.
F. A snapshot copy PDB can be a full copy of a source PDB.
G. A snapshot copy PDB does not depend on an existing storage snapshot of the source PDB.

ADE

Question 54:

Which three are true about using Database Resource Manager in an Oracle multitenant environment? (Choose three.)
A. A PDB-level resource plan can limit session PGA memory.
B. A CDB-level resource plan can limit PDB CPU utilization.
C. A CDB-level resource plan can limit session CPU utilization.
D. PDB-level resource plans can limit uncommitted UNDO per consumer group.
E. A CDB-level resource plan can limit PDB UNDO use.
F. A CDB-level resource plan is mandatory when using PDB-level resource plans.

ABD

Question 55:

Which three are true about Oracle Grid Infrastructure for a Standalone Server?
A. It requires Oracle ASM Filter Driver (ASMFD) to manage Automatic Storage Management (ASM) disks.
B. It requires the operating system ORACLE_BASE environment variable to be predefined before installation.
C. It requires Oracle ASMLib to manage Automatic Storage Management (ASM) disks.
D. Automatic Storage Management (ASM) requires that O/S groups OSASM and OSDBA be assigned as secondary groups for its installation owner.
E. It creates one disk group during installation.
F. It includes both Oracle Restart and Oracle Automatic Storage Management (ASM) software.

DEF

Question 56:

How do you configure a CDB for local undo mode?
A. Open the CDB instance in upgrade mode. In CDB$ROOT, execute ALTER DATABASE LOCAL UNDO ON, and then restart the CDB instance.
B. Open the CDB instance in restricted mode. In CDB$ROOT, execute ALTER DATABASE LOCAL UNDO ON, and create an UNDO tablespace in each PDB, then restart the CDB instance.
C. Open the CDB instance in restricted mode. In CDB$ROOT, drop the UNDO tablespace. Execute ALTER DATABASE LOCAL UNDO ON in each PDB, and then restart the CDB instance.
D. Open the CDB instance in read-only mode. In CDB$ROOT, execute ALTER DATABASE LOCAL UNDO ON, and then change the CDB to read/write mode.
E. Open the CDB instance in upgrade mode. In each PDB, execute ALTER DATABASE LOCAL UNDO ON, create an UNDO tablespace, and then restart the CDB instance.

A

Question 57:

Which two are true about memory advisors? (Choose two.)
A. If Automatic Shared Memory Management is enabled, both the SGA Advisor and PGA Advisor are always available.
B. If Automatic Memory Management is enabled, no memory advisors are available.
C. All memory advisors use data from Automatic Workload Repository.
D. If Manual Shared Memory Management is enabled, only the Shared Pool Advisor and Buffer Cache Advisor are available.
E. If Automatic Memory Management is enabled, the Shared Pool Advisor and Buffer Cache Advisor are available to set the maximum size for these individual System Global Area components.

AC

Question 58:

Which three are true about a whole database backup? (Choose three.)
A. It can consist of either backup sets or image copies. 
B. It is the only possible backup type for a database in NOARCHIVELOG mode.
C. It can be consistent. 
D. It can be created only by using RMAN.
E. It can be inconsistent.
F. It always includes all data files, the current control file, the server parameter file, and archived redo logs.

ACE

Question 59:

 
In which two situations can you use Database Upgrade Assistant? (Choose two.)
A. when the operating system (OS) needs to be changed as part of the upgrade
B. when a character set conversion is required during the upgrade
C. when multiple pluggable databases in a container database have to be upgraded in a specific sequence
D. when the target and source database are on the same platform
E. when the hardware platform needs to be changed as part of the upgrade

CD

Question 60:

 
You have an Active DataGuard configuration having one primary and one standby database. The standby database is open in read only mode and in sync with primary. 
To recover from erroneous transaction, you need to flashback the whole database configuration to a past time. 
Which methods of flashback operation are correct in this scenario? (Choose two.)
A. Flashback the standby database to a few seconds prior to the required time. Flashback the primary database to the required time.
B. Shutdown and startup the standby database in MOUNT mode. Flashback the primary database to the required time and it will flashback the standby database automatically.

Question 61:

Which three actions will add a resource to an Oracle Restart configuration? (Choose three.)
A. creating an Oracle Database service by modifying the SERVICE_NAMES parameter
B. creating a disk group using the CREATE DISKGROUP SQL statement
C. creating a database using the CREATE DATABASE SQL statement
D. creating a database service using DBMS_SERVICE.CREATE_SERVICE
E. creating a database service using Oracle Database Configuration Assistant (DBCA)
F. creating an Oracle Automatic Storage Management (ASM) instance with ASM Configuration Assistant (ASMCA)

BEF

Question 62:

Which two are true about Oracle Database Configuration Assistant (DBCA)? (Choose two.)
A. It can be launched from both the command line and the Universal Installer (OUI) interfaces.
B. It can be used to change the character set of an existing database.
C. It can be used to convert a non-container database to a container database.
D. It can be used to create container databases and non-container databases.
E. It can only be launched from the command line interface.

AD

Question 63:

Which three are true about Rapid Home Provisioning of Oracle software? (Choose three.)
A. It can be used only on nodes with Oracle Grid Infrastructure installed.
B. It can be used to patch existing Oracle software installations.
C. It can be used to create templates of Oracle homes as gold images of only Oracle databases.
D. It can be used to deploy new homes without disrupting active databases.
E. It can be used to create a single-instance Oracle Database in an already-installed Oracle home.
F. It can be used to upgrade only single-instance databases running on Oracle Restart.

BDE

Question 64:

Which three are true about RMAN duplexed backup sets or image copies? (Choose three.)
A. An image copy on disk can be copied to disk
B. A BACKUP SET MAY BE DUPLEXED WITH BOTH COPIES WRITTEN TO DISK
C. A BACKUP SET MAY BE DUPLEXED WITH BOTH COPIES WRITTEN TO SBT

Question 64a:

Which two are true about RMAN duplexed backup sets? (Choose two.)
A. They can be written only to disk.
B. They must be written to media.
C. They can be created by using the RMAN CONFIGURE command to specify duplexing before taking a backup.
D. They can be created only by using the COPIES option of a BACKUP command.
E. They can be written to media.

CE

Question 65:

In performance management, which two factors might reduce the ability of an application to scale to a large number of users? (Choose two.)
A. poorly written SQL
B. the number of tablespaces containing tables updated by a transaction
C. poorly trained users who do not commit transactions
D. the number of data files containing extents belonging to tables updated by a transaction
E. issuing multiple savepoints during a transaction

AC

Question 66:

Which three are true about Automatic Workload Repository (AWR) snapshots? (Choose three.)
A. They are generated if STATISTICS_LEVEL is set to TYPICAL.
B. They are generated if STATISTICS_LEVEL is set to ALL.
C. They are always created automatically.
D. They are always created manually.
E. They can be retained forever.
F. They are generated if STATISTICS_LEVEL is set to BASIC.

ABE

Question 66a:

Which three are true about Automatic Workload Repository (AWR)? (Choose three.)
A. By default, AWR snapshots are taken every 60 minutes.
B. Its collection level is determined by the value of the STATISTICS_LEVEL database parameter.
C. By default, AWR snapshots are retained for 7 days.
D. The taking of AWR snapshots can be disabled.
E. AWR data is stored in the SYSTEM tablespace.

ABD

Question 67:

Which three are true about Automatic Workload Repository (AWR) and Automatic Database Diagnostic Monitor (ADDM) in an Oracle multitenant environment? (Choose three.)
A. ADDM can run in a nonroot container.
B. AWR snapshots can be created in CDB$ROOT.
C. AWR reports can be generated while connected to any container.
D. All AWR data is stored in the CDB$ROOT SYSAUX tablespace.
E. AWR snapshots can be created in a PDB.
F. No AWR data is stored in the CDB$ROOT SYSAUX tablespace.

ABE

Question 68:

Which two are true about Oracle Grid Infrastructure for a Standalone Server? (Choose two.)
A. It supports volume management, file system, and automatic restart capabilities.
B. It must be installed before the Oracle database software is installed.
C. The CSS daemon runs from the Grid Infrastructure home.
D. It can manage database resources on the server where it is installed or on a different server.
E. It requires Oracle Automatic Storage Management (ASM) components to be installed separately.

AC

Question 69:

PDB1 and PBD2 are pluggable databases in CDB1. Examine these commands:
export ORACLE_SID=CDB1
SQLPLUS / as sysdba
PDB$SEED
PDB1
PDB2
ALTER PLUGGABLE DATABASE PDB1 OPEN;
ALTER PLUGGABLE DATABASE PDB1 SAVE STATE;
ALTER PLUGGABLE DATABASE PDB1 CLOSE;
ALTER PLUGGABLE DATABASE PDB2 OPEN;

CDB1 is then restarted. Which three are true? (Choose three.)
A. PDB2 will be MOUNTED.
B. PDB1 will be MOUNTED.
C. PDB$SEED will be opened READ ONLY.
D. PDB2 will be opened READ WRITE.
E. PDB1 will be opened READ WRITE.
F. PDB$SEED will be MOUNTED.

ACE

Question 70:

Which two are true about creating RMAN backups for an Oracle container database? (Choose two.)
A. Online Redo Log backups can be created while connected to the root container.
B. Control file backups can be created while connected to the root container.
C. The BACKUP TABLESPACE command can back up a PDB tablespace even if RMAN is connected to CDB$ROOT.
D. Archived Redo Log backups can be created while connected to an application root CDB.
E. Control file backups can be created while connected to a nonroot container.

BC

Question 70A

Which two are true about creating RMAN backups for an Oracle container database? (Choose two.)
A. Tablespaces from different PDBs with identical names must be backed up by connecting RMAN separately to each PDB to back up the tablespaces.
B. The BACKUP DATABASE command will create a pluggable database (PDB) backup when RMAN is connected to a PDB.
C. SPFILE backups can be created while connected to an application root PDB.
D. The BACKUP DATABASE PLUS ARCHIVELOG command will back up archive logs when RMAN is connected to a PDB.
E. The BACKUP PLUGGABLE DATABASE command can be used to back up CDB$ROOT.

BE

Question 71:

Examine this configuration: 
CDB1 is a container database. 
COMMON_USER_PREFIX is set to an empty string. 
PDB1 is a pluggable database in CDB1. 
APP1_ROOT is an application container in CDB1. 
APP1_PDB1 is an application PDB in APP1_ROOT. 
You execute these commands: 
$ sqlplus sys/oracle@localhost:1521/cdb1 as sysdba 
SQL> CREATE ROLE role1 CONTAINER=CURRENT; What is true?
A. It will return an error because creation of a local role is not allowed in CDB$ROOT.
B. ROLE1 will be created only in CDB$ROOT and APP1_ROOT.
C. ROLE1 will be created in CDB$ROOT, PDB1, APP1_ROOT, and APP1_PDB1.
D. ROLE1 will be created only in CDB$ROOT.
E. It will return an error because common roles must start with C##.

A

Question 72:

Which three are true in Oracle 19c and later releases? (Choose three.)
A. Tablespaces never remain in read/write mode during transportable tablespace operations.
B. A transportable data pump import can leave a plugged-in tablespace in read-only mode.
C. A transportable data pump import can leave a plugged-in tablespace in read/write mode.
D. Simultaneous data pump jobs can be limited at the pluggable database (PDB) level.
E. Tablespaces always remain in read/write mode during transportable tablespace operations.
F. An ordinary data pump export of a table with encrypted columns will always encrypt the same columns when imported.

BCD

Question 73:

Which two are true about poorly performing SQL statements and their tuning in Oracle database instances? (Choose two.)
A. SQL statements performing many physical I/Os can always have their performance improved by creating indexes.
B. SQL statements doing only logical reads never require tuning because they do no physical I/O.
C. The solution that best optimizes one SQL statement can degrade the performance of others.
D. SQL statements doing joins always do more physical I/O than single table queries.
E. Poorly performing SQL statements can be tuned automatically by the Oracle server.

CE

Question 74:

Which three are true about patchsets? (Choose three.)
A. They can be applied in a rolling fashion for Clusterware and the databases.
B. They can introduce new features.
C. They are installed via OPatch or OPatchAuto.
D. Installing a patchset is considered an upgrade.
E. They are only released quarterly.
F. A base release is not needed to install patchsets.

BDF

Question 75:

Which two are true about an Oracle gold image-based installation in Oracle 18c and later releases? (Choose two.)
A. It can be used for both Oracle Database and Oracle Grid Infrastructure installation.
B. It can only install and configure Oracle Database software. The database has to be created separately.
C. It does not require the setup wizard.
D. It uses a single RPM that automatically extracts and installs the Oracle Database software.
E. It can be used to install and upgrade Oracle Database for single-instance and cluster configurations.

AE

Question 76:

Which three resources are always shared among CDB$ROOT and pluggable databases (PDBs)? (Choose three.)
A. the data dictionary in CDB$ROOT
B. temporary tablespaces
C. the Process Monitor Process (PMON)
D. SYSAUX tablespaces
E. the log writer process (LGWR)
F. undo tablespaces

ACE

Question 77:

Which two are prerequisites for using FLASHBACK TABLE? (Choose two.)
A. A table's constraints must be disabled before issuing the flashback.
B. The FLASHBACK ANY TABLE system privilege or the FLASHBACK object privilege must be granted to the user performing the flashback.
C. A table's indexes must be set to unusable before issuing the flashback.
D. Row Movement must be enabled on the table being flashed back.
E. The FLASHBACK ANY TABLE system privilege or the FLASHBACK object privilege must be granted to the table owner.

BD

Question 78:

Which two are true about diagnosing Oracle Database failure situations using Data Recovery Advisor? (Choose two.)
A. Using the Data Recovery Advisor LIST FAILURE command always requires that the database for which failures are to be listed is in MOUNT state.
B. A failure can be closed only when it has been repaired.
C. Data Recovery Advisor can be used if a database is closed.
D. The Data Recovery Advisor CHANGE FAILURE command can be used only to change failure priorities.
E. Data Recovery Advisor can proactively check for failures.

CE

Question 79:

Which two are true about RMAN Multisection backups when a very large data file is divided into four sections? (Choose two.)
A. Each of the file sections must be processed serially.
B. The four sections can be created serially.
C. The four sections must be image copies.
D. The four sections can be created in parallel.
E. The four sections must be contained in backup sets.

BD

Question 80:

Which two are true about the Program Global Area (PGA) and its management in an Oracle database instance? (Choose two.)
A. The private SQL area (UGA) is located in the System Global Area (SGA) when using dedicated servers.
B. PGA_AGGREGATE_LIMIT is a hard limit on the PGA size for any one session.
C. The entire PGA is located in the System Global Area (SGA) when using shared servers.
D. Sorts and Hash Joins use PGA memory.
E. The private SQL area (UGA) is located in the System Global Area (SGA) when using shared servers.

DE