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1z0-063 by Oracle - Page 1 | ExamCademy

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Question 1

Question 2

Question 3

Which three statements correctly describe the relationship amongst jobs, programs, and schedules within the Oracle Job Scheduler?

A A job is specified as part of a program definition.
B A program can be used in the definition of multiple jobs.
C A program and job can be specified as part of a schedule definition.
D A program and schedule can be specified as part of a job definition.
E A program and window can be specified as part of a job definition.

Question 4

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

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.

Question 5

Which two are prerequisites for creating a backup-based duplicate database?

A connecting to the target database and a recovery catalog to execute the duplicate command
B creating a password file for an auxiliary instance
C connecting to an auxiliary instance
D matching the database identifier (DBID) of the source database and the duplicate database
E creating an SPFILE for the target database

Question 6

Which three statements are true about Oracle Secure Backup (OSB)?

A It can encrypt client data written 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 multiple databases.
D It can be used along with an RMAN recovery catalog for maintaining records of backups in a tape library.
E It can be used to perform file system backups at the file, directory, file system, or raw partition level.

Question 7

LDAP_DIRECTORY_SYSAUTH is set to YES.
Users requiring DBAs access have been granted the sysdba enterprise role in Oracle Internet Directory(OID).
SSL has been configure for the database and OLD and the password file has been configured for the database.
User scott with sysdba privilege tries to connect remotely using this command:
$sqlplusscott/tiger@DB0l As sysdba where DB01 is the net service name.
Which authentication method will be attempted first?

A authentication by password file
B authentication by using certificates over SSL
C authentication by using the Oracle Internet Directory
D authentication by using the local OS of the database server

Question 8

Your database is running in archivelog mode and regular nightly backups are taken. Due to a media failure, the current online redo log group, which has one member, is lost and the instance is aborted.
Examine the steps to recover the online redo log group and move it to a new location.
1.Restore the corrupted redo log group.
2.Restore the database from the most recent database backup.
3.Perform an incomplete recovery.
4.Relocate the member of the damaged online redo log group to a new location.
5.Open the database with the resetlogs option.
6. Issue a checkpoint and clear the log.
Identify the required steps in the correct order.

A 1, 3, 4, 5
B 6, 3, 4, 5
C 2, 3, 4, 5
D 6, 4, 3, 5

Question 9

You are administering a multitenant container database (COB) that contains two pluggable databases (PDBs), pdb1 and pdb2. You are connected to pdb2 as a common user with DBA privileges.
The statistics_level parameter is PDB modifiable.
As the user sys, execute the following command on pdb2:
SQL> ALTER SYSTEM SET STATISTICS_LEVEL=ALL SID='*' SCOPE=SPFILE;
Which statement is true about the result of this command?

A The statistics_level parameter is set to all when any of the PDBs is reopened.
B The statistics_level parameter is set to all only for PDB2 when it is reopened.
C The statistics_level parameter is set to all when the root database is restarted.
D The statement is ignored because there is no SPFILE for a PDB.

Question 10

Examine the command to back up the ASM metadata:
ASMCMD>md_backup /backup/ASM_backup
In which three situations can you use the backup?

A when one or more disks in an ASM disk group are lost
B when the data file on an ASM disk group gets corrupted
C when one of the disks in a disk group is accidentally unplugged
D when one or more file directory paths are accidentally deleted from an ASM disk group
E when all the ASM disk groups for the ASM instance are lost

Question 11

You are administering a database that supports data warehousing workload and is running in noarchivelog mode. You use RMAN to perform a level 0 backup on
Sundays and level 1 Incremental backups on all the other days of the week.
One of the data files is corrupted and the current online redo log file is lost because of a media failure.
You want to recover the data file.
Examine the steps involved in the recovery process:

Shut down the database instance.
Start up the database instance in nomount state.
Mount the database.
Take the data file offline.
Put the data file online.
Restore the control file.
Restore the database.
Restore the data file.
Open the database with the resetlog option.
Recover the database with the noredo option.
Recover the data file with the noredo option.
Identify the required steps in the correct order.

A 4, 8, 11, 5
B 1, 3, 8, 11, 9
C 1, 2, 6, 3, 7, 10, 9
D 1, 3, 7, 10, 9
E 1, 2, 6, 3, 8, 11, 9

Question 12

Examine the commands:
SQL> ALTER SESSION SET RECYCLBIN = ON;
Session altered.
SQL> DROP TABLE emp; --(First EMP table)
Total dropped.
SQL> CREATE TABLE emp (id NUMBER CONSTRAINT emp_id_idx PRIMARY KEY, name VARCHAR2 (15), salary NUMBER(7,2) );
Table created.
You then execute multiple INSERT statements to insert rows into EMP table and drop the table again:
SQL> DROP TABLE emp; -- (Second EMP table)
Table dropped.
SQL> FLASHBACK TABLE emp TO BEFORE DROP;
Which statement is true about the FLASHBACK command?

A It recovers the structure, data, and indexes of the first emp table.
B It recovers only the structure of the second emp table.
C It returns an error because two tables with the same name exist in the recycle bin.
D It recovers the structure, data, and indexes of the second emp table.

Question 13

You wish to create jobs to satisfy these requirements:

Automatically bulk load data from a flat file.
Rebuild indexes on the SALES table after completion of the bulk load.
How would you create these jobs?

A Create both jobs by using Scheduler raised events.
B Create both jobs using application raised events.
C Create one job to rebuild indexes using application raised events and another job to perform bulk load using Scheduler raised events.
D Create one job to rebuild indexes using Scheduler raised events and another job to perform bulk load by using events raised by the application.

Question 14

Which three statements are true about the keystore storage framework for transparent data encryption?

A It facilitates and helps to enforce keystore backup requirements.
B It handles encrypted data without modifying applications.
C It enables a keystore to be stored only in a file on a file system.
D It enables separation of duties between the database administrator and the security administrator.
E It transparently decrypts data for the database users and applications that access this data.
F It helps to track encryption keys and implement requirements such as keystore password rotation and master encryption key reset or re-key operations.

Question 15

You want to reduce fragmentation and reclaim unused space for the sales table but not its dependent objects. During this operation, you want to ensure the following: i.Long-running queries are not affected. ii.No extra space is used. iii.Data manipulation language (DML) operations on the table succeed at all times throughout the process. iv.Unused space is reclaimed both above and below the high water mark.
Which alter TABLE option would you recommend?

A DEALLOCATE UNUSED
B SHRINK SPACE CASCADE
C SHRINK SPACE COMPACT
D ROW STORE COMPRESS BASIC

Question 16

For which two requirements would you use the Database Resource Manager?

A limiting the CPU used per database call
B specifying the maximum number of concurrent sessions allowed for a user
C specifying the amount of private space a session can allocate in the shared pool of the SGA
D limiting the degree of parallelism of operations performed by a user or group of users
E specifying an idle time limit that applies to sessions that are idle and blocking other sessions

Question 17

Your multitenant container database (CDB) contains multiple pluggable databases (PDBs). You execute the command to create a common user:

SQL> CREATE USER c##a_admin -

IDENTIFIED BY password -

DEFAULT TABLESPACE users -

QUOTA I00M ON users -
TEMPORARY TABLESPACE temp;
Which statement is true about the execution of the command?

A The common user is created in the CDB and all the PDBs, and uses the users and temp tablespaces of the CDB to store schema objects.
B The command succeeds only if all the PDBs have the users and temp tablespaces.
C The command gives an error because the container=all clause is missing.
D The command succeeds and sets the default permanent tablespace of a PDB as the default tablespace for the c##a_admin user if the users tabiespace does

Question 18

Which two statements are true about the Automatic Diagnostic Repository (ADR)?

A The ADR base is shared across multiple instances.
B The ADR base keeps all diagnostic information in binary format.
C The ADR can be used to store statspack snapshots to diagnose database performance issues.
D The ADR can be used for problem diagnosis even when the database instance is down.
E The ADR is used to store Automatic Workload Repository (AWR) snapshots.

Question 19

user_data is a nonencryptedtablespace containing tables with data.
You must encrypt ail data in this tablespace.
Which three methods can do this?

A Use Data Pump.
B Use ALTERTABLE. . .MOVE
C Use CREATE TABLE AS SELECT
D Use alter tablespace to encrypt the tablespace after enabling row movement on all its
E Use altertablespace to encrypt the tablespace.

Question 20

Which two statements are true about a common user?

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.

Question 21

You are administering a database that supports a data warehousing workload and is running in noarchivelog mode. You use RMAN to perform a level 0 backup on
Sundays and level 1 incremental backups on all the other days of the week.
One of the data files is corrupted and the current online redo log file is lost because of a media failure.
Which action must you take for recovery?

A Restore the data file, recover it by using the recover datafilenoredo command, and use the resetlogs option to open the database.
B Restore the control file and all the data files, recover them by using the recover database noredo command, and use the resetlogs option to open the database.
C Restore all the data files, recover them by using the recover database command, and open the database.
D Restore all the data files, recover them by using the recover database noredo command, and use the resetlogs option to open the database.

Question 22

Which three statements are true about Oracle Restart?

A It can be configured to automatically attempt to restart various components after a hardware or software failure.
B While starting any components, it automatically attempts to start all dependencies first and in proper order.
C It can be configured to automatically restart a database in case of normal shutdown of the database instance.
D It can be used to only start Oracle components.
E It runs periodic check operations to monitor the health of Oracle components.

Question 23

Examine the parameters for your database instance:

NAMETYPEVALUE -

optimizer_adaptive_reporting_onlybooleanFALSE
optimizer_capture_sql_plan_baselinesbooleanFALSE
optimizer_dynamic_samplinginteger2
optimizer_features_enablestring12.1.0.1
Which three statements are true about the process of automatic optimization by using statistics feedback?

A The optimizer automatically changes a plan during subsequent execution of a SQL statement if there is a huge difference in optimizer estimates and execution statistics.
B The optimizer can re optimize a query only once using cardinality feedback.
C The optimizer enables monitoring for cardinality feedback after the first execution of a query.
D The optimizer does not monitor cardinality feedback if dynamic sampling and multicolumn statistics are enabled.
E After the optimizer identifies a query as a re-optimization candidate, statistics collected by the collectors are submitted to the optimizer.

Question 24

RMAN is connected to the target database prod1 and an auxiliary instance in nomount state. Examine the command to create a duplicate database:
RMAN> DUPLICATE TARGET DATABASE TO dup1

FROM ACTIVE DATABASE -

NOFILENAMECHECK -

PASSWORD FILE -
SPFILE;
Which two statements are true about the execution of the duplicate command?

A All archive redo log files are automatically copied to the duplicate database.
B The duplicate database has the same directory structure as the source database.
C The duplicate database is created by using the backups created during the execution of
D The duplicate command.
E The password file and SPFILE for the duplicate database dup1 are created in their respective default locations.
F The duplicate database is created without using RMAN backups and prod: is allowed to remain open during duplication.

Question 25

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?

A Drop the tenpOi.dbf file, and then re-create the temp file.
B Add a new temp file to the temporary tablespace and drop the tempOi.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.

Page 1 of 9 • Questions 1-25 of 212

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Know a question that should be here? Contribute to this exam

Which two statements are true about scheduling operations in a pluggable database (PDB)?

A Scheduler jobs for a PDB can be defined only at the container database (CDB) level.
B A job defined in a PDB runs only if that PDB is open.
C Scheduler attribute setting is performed only at the CDB level.
D Scheduler objects created by users can be exported or imported using Data Pump.
E Scheduler jobs for a PDB can be created only by common users.

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:

Create a PDB named emp_pdb1.
Export the hr_pdb1 PDB by using the full clause.
Open the emp_pdb1 PDB.
Mount the emp_pdb1 PDB.
Synchronize the emp_pdb1 PDB in restricted mode.
Copy the dump file to the Data Pump directory.
Create a Data Pump directory in the emp_pdb1 PDB.
Import data into emp_pdb1 with the full and remap clauses.
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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