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1z0-063 Questions and Answers

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1z0-063 Questions and Answers

Question # 6

Which two are true about Oracle Secure Backup (OSB)? (Choose two.)

A.

It can be used to take proxy copies to tape.

B.

It can be used to take image copy backups to tape.

C.

It can be used to manage tape backup and restore operations for files.

D.

RMAN can backup up databases to OSB without requiring media manager channel parameters.

E.

It can be used to manage tape backup and restore operations for files systems.

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Question # 7

Examine this parameter in a database's PFILE:

DB_CREATE_FILE_DEST = '/u01/app/oracle/oradata/'

You execute this command:

Which three are true after successful database creation? (Choose three.)

A.

Local Undo is enabled.

B.

The files created for both the root and seed databases use Oracle Managed Files (OMF).

C.

PDB$SEED is open read-only.

D.

PDB$SEED is mounted.

E.

USERS will be the default tablespace for PDB$SEED.

F.

CDB$ROOT is open read/write.

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Question # 8

One of your databases is in ARCHIVELOG mode and take nightly RMAN backups.

The USERS and IDX tablespaces are missing due to storage array errors.

Which four actions would recover the tablespaces and their contents while the database remains open? (Choose four.)

A.

Bring both tablespaces ONLINE.

B.

Recover both tablespaces.

C.

Take both tablespaces OFFLINE NORMAL.

D.

Take both tablespaces OFFLINE IMMEDIATE.

E.

Restore both tablespaces from the most recent backup.

F.

Bring both tablespaces ONLINE and rebuild all the instances in the IDX tablespace.

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Question # 9

In which situation can you use Flashback Database?

A.

when undoing a shrink data file operation

B.

when retrieving a dropped tablespace

C.

when returning to a point in time before the restoration or re-creation of a control file

D.

when returning to a point in time before the most recent OPEN RESETLOGS operation

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Question # 10

Which two statements are true regarding SecureFile lobs? (Choose two.)

A.

The amount of undo retained is user controlled.

B.

They can be used only for nonpartitioned tables.

C.

Fragmentation is minimized by using variable-sized chunks.

D.

They support random reads and writes of encrypted LOB data.

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Question # 11

You use RMAN with a recovery catalog to back up your database. The backups and the archived redo log files are backed up to media daily. Because of a media failure, the entire database along with the recovery catalog database is lost.

Examine the steps required to recover the database:

1. Restore an autobackup of the server parameter file.

2. Restore the control file.

3. Start up the database instance in NOMOUNT state.

4. Mount the database.

5. Restore the data files.

6. Open the database with the RESETLOGS option.

7. Recover the data files.

8. Set DBID for the database.

Identify the required steps in the correct order.

A.

1, 8, 3, 2, 4, 5, 7, 6

B.

8, 1, 3, 2, 4, 5, 7, 6

C.

1, 3, 2, 4, 8, 5, 6, 7

D.

8, 3, 2, 4, 5, 7, 6

E.

8, 1, 3, 2, 4, 5, 6

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Question # 12

Which two are benefits of unified auditing in full mode? (Choose two.)

A.

The audit trail is in a single format.

B.

All audit data is written to both the traditional locations and to the unified location.

C.

The audit trail is read-only.

D.

Pre 12c audit data is written to the traditional locations and new 12c audit data is written to the unified location.

E.

The audit trail uses less space.

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Question # 13

You created a tablespace with this statement:

CREATE BIGFILE TABLESPACE adtbs

DATAFILE '/proddb/data/adtbs.dbf' SIZE 10G;

The tablespace is nearly full and you need to avoid any out of space errors for the load of a 5 gig table.

Which two alter statements will achieve this? (Choose two.)

A.

ALTER TABLESPACE adtbs RESI2E 20G;

B.

ALTER TABLESPACE adtbs ADD DATAFILE;

C.

ALTER TABLESPACE adtbs AUTOEXTEND ON;

D.

ALTER TABLESPACE adtbs ADD DATAFILE '/proddb/data/adtbsl.dbf' SIZE 1QG;

E.

ALTER TABLESPACE adtbs MODIFY DATAFILE '/proddb/data/adtbs.dbf AUTOEXTEND ON;

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Question # 14

You wish to enable an audit policy for all database users, except sys, system, and scott. You issue the following statements:

SQL> AUDIT POLICY ORA_DATABASE_PARAMETER EXCEPT SYS;

SQL> AUDIT POLICY ORA_DATABASE_PARAMETER EXCEPT SYSTEM;

SQL> AUDIT POLICY ORA_DATABASE_PARAMETER EXCEPT SCOTT;

For which database users is the audit policy now active?

A.

all users except sys

B.

all users except scott

C.

all users except sys and scott

D.

all users except sys, system, and scott

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Question # 15

In which three scenarios is media recovery required? (Choose three.)

A.

when a tablespace is accidentally dropped from a database

B.

when archived redo log files are lost

C.

when data files are lost

D.

when one of the online redo log members is corrupted

E.

when all control files are lost

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Question # 16

Examine the RMAN command:

RMAN> BACKUP VALIDATE DATABASE;

Which statement is true about the execution of the command?

A.

Block change tracking must be enabled before executing this command.

B.

The database must be running in ARCHIVELOG mode for the successful execution of this command.

C.

A complete database backup must exist before executing this command.

D.

The command checks for blocks containing all zeros, an invalid checksum, or a corrupt block header.

E.

The command checks for blocks that contain a valid checksum and matching headers and footers, but that has logically inconsistent contents.

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Question # 17

Which three statements are true about the SQL*Loader utility? (Choose three.)

A.

It can be used to load data from multiple external files into multiple tables.

B.

It can be used to extract and reorganize data from external files, and then load it into a table.

C.

It can be used to load data from external files using direct path only.

D.

It can be used to create tables using data that is stored in external files.

E.

It can be used to generate unique sequential values in specified columns while loading data.

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Question # 18

You want to move your existing recovery catalog to another database.

Examine the steps:

1) Export the catalog data by using the Data Pump Export utility in the source database.

2) Create a recovery catalog user and grant the necessary privileges in the target database.

3) Create a recovery catalog by using the CREATE CATALOG command.

4) Import the catalog data into the new recovery catalog by using the Data Pump Import utility in the target database.

5) Import the source recovery catalog schema by using the RMAN IMPORT CATALOG command.

6) Connect to the destination database.

7) Connect as CATALOG to the destination recovery catalog schema.

Identify the option with the correct sequence for moving the recovery catalog.

A.

1, 6, 4

B.

2, 3, 7, 5

C.

1, 2, 6, 4

D.

1, 2, 3, 6, 5

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Question # 19

You create a new database by using the CREATE DATABASE command in SQL*Plus, with the ENABLE PLUGGABLE DATABASE clause specified.

Which statement is true about the database that is created?

A.

It is created as a container database (CDB) with CDB$ROOT, PDB$SEED, and a pluggable database (PDB).

B.

It is created as a non-CDB that becomes a CDB after the first PDB is plugged in.

C.

It is created as a PDB that must be plugged into an existing CDB.

D.

It is created as a CDB with the CDB$ROOT and PDB$SEED databases.

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Question # 20

Identify three reasons for using a recovery catalog with Recovery Manager (RMAN). (Choose three.)

A.

to report on the database schema at an earlier point in time

B.

to store backups that would cause the controlfile to become too large

C.

to allow database duplication without a connection to the target instance

D.

to allow database duplication without a connection to the auxiliary instance

E.

to store backup metadata that would cause the controlfile to become too large

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Question # 21

Which two statements are true about a common user? (Choose two.)

A.

A common user connected to a pluggable database (PDB) can exercise privileges across other PDBs.

B.

A common user with the CREATE USER privilege can create other common users, as well as local users.

C.

A common user can be granted only a common role.

D.

A common user can have a local schema in a PDB.

E.

A common user always uses the global temporary tablespace that is defined at the CDB level as the default temporary tablespace.

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Question # 22

On your Oracle 12c database, you invoke SQL*Loader to load data into the employees table in the hr schema by issuing the command:

S>sqlldrhr/hr@pdb table=employees

Which two statements are true about the command? (Choose two.)

A.

It succeeds with default settings if the employees table exists in the hr schema.

B.

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

C.

It fails if the hr user does not have the create any directory privilege.

D.

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

E.

It succeeds and creates the employees table in the HR schema.

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Question # 23

Which two are prerequisites for performing Flashback Transaction? (Choose two.)

A.

A supplemental log must be enabled for the primary key.

B.

Undo retention guarantee must be configured for the database.

C.

Fast Recovery Area must be enabled for the database.

D.

The EXECUTE privilege must be granted to a user on the DBMS_FLASHBACK package.

E.

Row movement must be enabled.

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Question # 24

Examine the resources consumed by a database instance whose current Resource Manager plan is displayed.

SQL> SELECT name, active_sessions, queue_length,

consumed_cpu_time, cpu_waits, cpu_wait_time

FROM v$rsrc_consumer_group;

Which two statements are true? (Choose two.)

A.

An attempt to start a new session by a user belonging to DSS_QUERIES fails with an error.

B.

An attempt to start a new session by a user belonging to OTHE_GROUPS fails with an error.

C.

The CPU_WAIT_TIME column indicates the total time that sessions in the consumer group waited for the CPU due to resource management.

D.

The CPU_WAIT_TIME column indicates the total time that sessions in the consumer group waited for the CPU due to I/O waits and latch or enqueue contention.

E.

A user belonging to the DSS_QUERIES resource consumer group can create a new session but the session will be queued.

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Question # 25

You restore and recover your database to a new host by using an existing RMAN open database backup.

Which step must you perform next?

A.

Execute catproc.sql to recompile invalid PL/SQL modules.

B.

Open the database with the RESETLOGS option.

C.

Set a new database identifier (DBID) for the newly restored database.

D.

Use the RMAN SET NEWNAME and SWITCH commands to switch to new files.

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Question # 26

Examine the backup requirement for your company:

1) Every Sunday, a backup of all used data file blocks is performed.

2) Every Wednesday and Friday, a backup of all the changed blocks since last Sunday's backup is performed.

3) On all the other days, a backup of only the changed blocks since the last day's backup is performed.

Which backup strategy satisfies the requirements?

A.

level 0 backup on Sunday, cumulative incremental backup on Wednesday and Friday, and differential incremental level 1 backup on all the other days

B.

level 0 backup on Sunday, differential incremental backup on Wednesday and Friday, and cumulative incremental level 1 backup on all the other days

C.

full database backup on Sunday, level 0 backup on Wednesday and Friday, and cumulative incremental level 1 backup on all the other days

D.

full database backup on Sunday, level 0 backup on Wednesday and Friday, and differential incremental level 1 backup on all the other days

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Question # 27

You are administering a multitenant container database (CDB) that contains multiple pluggable databases (PDBs). You are connected to cdb$root as the sys user. You execute the commands:

SQL> CREATE USER C##ADMIN IDENTIFIED BY orcll23;

SQL> CREATE ROLE C##CONNECT;

SQL> GRANT CREATE SESSION, CREATE TABLE, SELECT ANY TABLE TO C##CONNECT;

SQL> GRANT C##CONNECT to C##ADMIN CONTAINER=ALL;

Which statement is true about the c##connect role?

A.

It is created only in cdb$root and cannot be granted to the c##admin user with the container=all clause.

B.

It is granted to the c##admin user only in the CDB.

C.

It is granted to the c##admin user in all PDBs and can be granted only to a local user in a PDB.

D.

It is granted to the c##admin user in all PDBs and can be granted object and system privileges for a PDB.

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Question # 28

Your database is running in archivelog mode and Automatic Undo Management is enabled.

Which two tasks should you perform before enabling Flashback Database? (Choose two.)

A.

Enable minimal supplemental logging.

B.

Ensure that the db_flashback_retention_target parameter is set to a point in time (in minutes) to which the database can be flashed back.

C.

Enable the recyclebin.

D.

Enable undo retention guarantee.

E.

Enable Fast Recovery Area.

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Question # 29

Your database supports an online transaction processing (OLTP) workload and it needs to be up 24 x 7. You want to perform a complete database backup by using RMAN.

Identify the minimum requirement for accomplishing the task.

A.

An RMAN channel must be configured to device-type disk.

B.

The database must be configured in ARCHIVELOG mode.

C.

Redo log groups must have at least two members each.

D.

All tablespaces in the database must be locally managed.

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Question # 30

Users report this error message when inserting rows into the orders table:

ERROR at line1:

ORA-01654f:unable to extend index USERS.ORDERS_IND by 8 in tablespace INDEXES

You determine that the indexes tablespace is out of space and there is no free space on the filesystem used by the Oracle database.

Which two must you do to fix this problem without affecting currently executing queries? (Choose two.)

A.

drop and re-create the index

B.

coalesce the order.ind index

C.

coalesce the indexes tablespace

D.

perform an on line table rebuild using dbms_redefinition

E.

rebuild the index online moving it to another tablespace that has enough free space for the index

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Question # 31

A user issues a query on the sales table and receives the following error:

ERROR at line 1:

ORA-01565: error in identifying file '/u0l/app/oracle/oradata/ORCL/temp01.dbf'

ORA-27037: unable to obtain file status

Which two actions would you take to recover the temporary tablespace? (Choose two.)

A.

Drop the tenp01.dbf file, and then re-create the temp file.

B.

Add a new temp file to the temporary tablespace and drop the temp01.dbf file.

C.

Shut down the database instance, start up the database instance in mount state, create a new temporary tablespace, and then open the database.

D.

Take the temporary tablespace offline, recover the missing temp file, and then bring the temporary tablespace online.

E.

Create a new temporary tablespace and assign it as the default to the user.

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Question # 32

Which two statements describe the relationship between a window, a resource plan, and a job class? (Choose two.)

A.

A window specifies a resource plan that will be activated when that window becomes active.

B.

A window specifies a job class that will be activated when that window becomes active.

C.

A job class specifies a window that will be open when that job class becomes active.

D.

A window in association with a resource plan controls a job class allocation.

E.

A window in association with a job class controls a resource allocation.

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Question # 33

Your database is on ARCHIVELOG mode and an incremental backup exists.

A media failure in the loss of a data file and an online redo log.

Examine these commands:

1. STARTUP NOMOUNT

2. STARTUP MOUNT

3. RESTORE DATABASE

4. RECOVER DATABASE

5. RECOVER DATABASE UNTIL CANCEL

6. ALTER DATABASE OPEN

7. ALTER DATABASE OPEN RESETLOGS

Which commands are required to recover your database?

A.

2, 3, 5, and 6

B.

2, 3, and 4

C.

2, 3, 5, and 7

D.

1, 3, 5, and 6

E.

1, 3, and 4

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Question # 34

Examine the RMAN command:

RMAN> CONFIGURE ENCRYPTION FOR DATABASE ON;

RMAN> BACKUP DATABASE PLUS ARCHIVELOG;

Which prerequisite must be met before accomplishing the backup?

A.

The password for the encryption must be set up.

B.

Oracle wallet for the encryption must be set up.

C.

All the tablespaces in the database must be encrypted.

D.

Oracle Database Vault must be enabled.

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Question # 35

You issued these commands for one of your databases:

RMAN> BACKUP INCREMENTAL LEVEL 0 DATABASE;

RMAN> ALTER DATABASE ENABLE BLOCK CHANGE TRACKING USING

FILE ‘/mydir/rman_change_track.f’;

RMAN> BACKUP INCREMENTAL LEVEL 1 CUMULATIVE DATABASE;

Which two are true? (Choose two.)

A.

The cumulative incremental level 1 database backup ignores the block change tracking file.

B.

Future cumulative incremental level 1 database backups will reference the block change tracking file.

C.

Future incremental level 0 database backups will reference the block change tracking file.

D.

The cumulative incremental level 1 database backup fails.

E.

The block change tracking file will be updated automatically after creation to refer to modified blocks contained in the incremental level 0 database backup.

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Question # 36

You execute the commands on a multitenant container database CDB1 that has multiple pluggable databases:

Which statement is true about the execution of the last command?

A.

It succeeds and displays all the tablespaces that belong to the root database.

B.

It fails and returns an error because a connection is not made by using the SYSDBA privilege.

C.

It succeeds and displays all the tablespaces that belong to the root and pluggable databases.

D.

It fails and returns an error because SQL commands cannot be executed at the RMAN prompt.

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Question # 37

You want to export the pluggable database (PDB) HR_PDB1 from the multitenant container database (CDB) CDB1 and import it into the CDB2 CDB as the EMP_PDB1 PDB.

Examine the list of possible steps required to perform the task:

1. Create a PDB named EMP_PDB1.

2. Export the HR_PDB1 PDB by using the FULL clause.

3. Open the EMP_PDB1 PDB.

4. Mount the EMP_PDB1 PDB.

5. Synchronize the EMP_PDB1 PDB in restricted mode.

6. Copy the dump file to the Data Pump directory.

7. Create a Data Pump directory in the EMP_PDB1 PDB.

8. Import data into EMP_PDB1 with the FULL and REMAP clauses.

9. Create the same tablespaces in EMP_PDB1 as in HR_PDB1 for new local user objects.

Identify the required steps in the correct order.

A.

2, 1, 3, 7, 6, and 8

B.

2, 1, 4, 5, 3, 7, 6, 9, and 8

C.

2, 1, 3, 7, 6, 9, and 8

D.

2, 1, 3, 5, 7, 6, and 8

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Question # 38

Which three statements are true about the database instance startup after an instance failure? (Choose three.)

A.

The RECO process recovers the uncommitted transactions at the next instance startup.

B.

Online redo log files and archived redo log files are required to complete the rollback stage of instance recovery.

C.

Uncommitted changes are rolled back to ensure transactional consistency.

D.

The SMON process coordinates the database recovery.

E.

Media recovery is required to complete the database recovery.

F.

Changes committed before the failure, which were not written to the data files, are re-applied.

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Question # 39

You must unload data from the orders, order_items, and products database tables to four files using the External Tables.

CREATE TABLE orders_ext

(order_id, order_date, product_id, product_name,quantity)

ORGANIZATION EXTERNAL

(

TYPE ORACLE_DATAPUMP

DEFAULT DIRECTORY ext.dir

LOCATION (‘ordersl.dmp','orders2.dmp’,’orders3.dmp’,’lorders4.dmp')

)

PARALLEL

AS

SELECT o.order_id,o.order_date,p.product_id,p.product_name,i.quantity

FROM orders o,productsp,order_items

WHERE o.orderid = i.order_id and i.product_id = p.product_id;

You execute the command shown in the Exhibit, but only two files are created. Which parameter must be changed so that four files are created?

A.

TYPE

B.

LOCATION

C.

PARALLEL

D.

DEFAULT DIRECTORY

E.

ORGANIZATION EXTERNAL

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Question # 40

Your multitenant container database (CDB) CDB1 that is running in ARCHIVELOG mode contains two pluggable databases (PDBs), PDB2_1 and PDB2_2, both of which are open. RMAN is connected to the target pluggable database PDB2_1.

RMAN> BACKUP DATABASE PLUS ARCHIVELOG DELETE INPUT;

Which statement is true about the execution of this command to back up the database?

A.

All data files belonging to PDB2_1 are backed up and all archive log files are deleted.

B.

All data files belonging to PDB2_1 are backed up along with the archive log files.

C.

Only the data files belonging to pdb2_1 are backed up.

D.

This command gives an error because archive log files can be backed up only when RMAN is connected to the root container database.

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Question # 41

Your database is running in ARCHIVELOG mode. Examine the initialization parameters you plan to set for your database instance.

LOG_ARCHIVE_DEST_1 = 'LOCATION=/disk1/arch'

LOG_ARCHIVE_DEST_2 = 'L0CATI0N=/disk2/3rch'

LOG_ARCHIVE_DEST_3 = 'LOCATION=/disk3/arch'

L0G_ARCHIVE_DEST_4 = 'L0CATI0N=/disk4/3rch MANDATORY'

Identify the statement that correctly describes these settings.

A.

An online redo log file is not allowed to be overwritten if the archived log file cannot be created in any of the LOG_ARCHIVE_DEST_.n destinations.

B.

Optional destinations cannot use the fast recovery area.

C.

An online redo log file is not allowed to be overwritten if the archived log file cannot be created in the location specified for LOG_ARCHIVE_DEST_4.

D.

These settings work only if LOG__ARCHIVE_MIN_SUCCEED_DEST is set to a value of 4.

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