Oracle 1Z0-045 exam practice questions and answers

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Exam Code: 1Z0-045
Exam Name: Oracle (Oracle database 10g:new features for Oracle8i ocps)
One year free update, No help, Full refund!
Total Q&A: 156 Questions and Answers
Last Update: 2013-11-24

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NO.1 Which statements are true regarding the new Persistent Configuration feature in RMAN?
(Choose two.)
A.It allows you to set the retention period of backups.
B.It remembers the last backup command you used so that you can reschedule it easily.
C.It enables you to store your Channel attribute settings in the Recovery Catalog with each script.
D.It enables you to store the settings for Channel attributes so that you do not have to specify them in
each backup or restore command.
Correct:A D

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NO.2 You have three production databases, HRDB, FINDB, and ORGDB, that use the same ASM
instance. At the end of the day, you execute the following command on the ASM instance to shut
down: SQL> shutdown immediate; What is the result of executing this command?
A.All the instances, including the ASM instance, are shut down in the ABORT mode.
B.The ASM instance is shut down, but the other instances are still running.
C.The ASM instance is still functional, but the other instances are shut down.
D.All the instances, including the ASM instance, are shut down in the IMMEDIATE mode.
E.HRDB, FINDB, and ORGDB instances are shut down in the ABORT mode and the ASM instance is
shut down in the IMMEDIATE mode.
F.HRDB, FINDB, and ORGDB instances are shut down in the NORMAL mode and the ASM instance is
shut down in the IMMEDIATE mode.
Correct:D

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NO.3 Identify four uses of the Oracle Scheduler. (Choose four.)
A.Enables you to set idle time limits for a resource plan.
B.Enables you to schedule job execution based on time.
C.Enables you to execute jobs in a clustered environment.
D.Enables you to assign priorities to the consumer groups.
E.Enables you to map a consumer group to an Oracle user.
F.Enables you to create a job that makes use of saved programs and schedules.
G.Enables you to periodically execute operating system script files located on the same server as the
database.
Correct:B C F G

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NO.4 Examine the following commands of Data Pump to import objects to new non-existent users
hr1 and oe1. $ expdp system/manager schemas = hr,oe directory = EXP_DIR dumpfile = export.dat
include = table $ impdp system/manager schemas = hr1,oe1 directory = EXP_DIR dumpfile =
export.dat remap_schema = hr:hr1, oe:oe1 Which objective would be achieved by the above
command sets?
A.expdp will fail because no path has been defined for the dumpfile.
B.expdp will succeed but Impdp will fail because users do not exist.
C.impdp would create two schemas called hr1 and oe1 and copy the schema objects to the new users.
D.impdp would create two schemas called hr1 and oe1 and import tables owned by hr and oe schemas to
hr1 and oe1 schemas, respectively.
Correct:B

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NO.5 Which two statements regarding unusable indexes are correct? (Choose two.)
A.You can set SKIP_UNUSABLE_INDEXES to true to skip unusable indexes.
B.You can check the alert log file to get a message recorded about unusable indexes.
C.You do not need to set any parameter because unusable indexes are skipped automatically.
D.Your Data Definition Language (DDL) statement shows a warning message when an index is made
unusable.
Correct:A B

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NO.6 Examine the statement: SQL> CREATE TABLESPACE user_data 2> EXTENT MANAGEMENT
LOCAL 3> SEGMENT SPACE MANAGEMENT AUTO; Which two assumptions must be true for this
statement to execute successfully? (Choose two.)
A.Oracle Managed Files are used for this instance.
B.The USER_DATA tablespace is managed using FET$/UET$ tables.
C.The database will manage the free space of segments in the tablespace using a bitmap.
D.Space within segments in the USER_DATA tablespace is managed with freelists.
Correct:A C

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NO.7 You need to create a schedule that will run a job on the second Friday of each month. What
should the repeat interval of the schedule be set to?
A.FREQ = MONTHLY; BYDAY = 2FRI;
B.FREQ = MONTHLY; BYDAY = FRI2;
C.FREQ = MONTHLY; BYDAY = -2FRI;
D.FREQ = MONTHLY; BYDAY = FRI(2);
Correct:A

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NO.8 You want to retain the job entries for the last five days and purge all job entries from the job log
that are older than five days. Select the command that will enable you to do the job.
A.EXECUTE DBMS_SCHEDULER.PURGE_LOG( log_history => 5, which_log =>'JOB_LOG');
B.EXECUTE DBMS_SCHEDULER.PURGE_LOG();
C.EXECUTE DBMS_SCHEDULER.PURGE_LOG( log_history => 5, job_name => 'JOB_LOG');
D.EXECUTE DBMS_SCHEDULER.PURGE_LOG( log_history => 5, which_log => 'WINDOW_LOG');
Correct:A

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NO.9 You performed an incomplete recovery and opened the database with the RESETLOGS option.
The LOG_ARCHIVE_FORMAT parameter is set to 'ora_%t_%s_%r.log'. Which statement regarding
the archived redo log files, created in an earlier incarnation of the database, is true?
A.The archived redo log files cannot be used.
B.The archived redo log files will be overwritten.
C.The archived redo log files are deleted automatically.
D.The archived redo log files should be moved to some other location.
E.The archived redo log files are still maintained because the file names are unique.
Correct:E

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NO.10 When WORKAREA_SIZE_POLICY is set to AUTO, the work areas are sized to accomplish which
two goals? (Choose two).
A.To tune memory using the existing *_AREA_SIZE parameters.
B.To allocate memory to work areas in order to optimize throughput only.
C.To allocate memory to work areas in order to optimize response time only.
D.To allocate memory to work areas in order to optimize both throughput and response time.
E.To ensure that the overall size of the PGA will never exceed the value of PGA_AGGREGATE_TARGET.
Correct:D E

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NO.11 You need to ensure that the database users should be able to use the various flashback query
features in order to go back in time by four hours. What would you do to achieve this? (Choose
two.)
A.set SQL_TRACE=True
B.set UNDO_RETENTION=14400
C.set FAST_START_MTTR_TARGET=240
D.set LOG_CHECKPOINT_INTERVAL=240
E.set DB_FLASHBACK_RETENTION_TARGET=14400
F.issue ALTER DATABASE FLASHBACK ON; command
G.set the RETENTION GUARANTEE clause for the undo tablespace
Correct:B G

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NO.12 You decide to activate the resumable space allocation feature for all your database users by
enabling the feature in a logon trigger. This causes a statement that requires space beyond a
user's quota _____.
A.to wait indefinitely for the quota to be increased, regardless of the timeout setting for other space
allocation problems.
B.to fail because quota limits do not activate the resumable space allocation feature
C.to wait in a suspended state until the quota is increased or until the timeout value is reached
D.to invoke the default trigger that resets user quota, if there is free space in the related tablespace
Correct:C

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NO.13 Which process performs the rebalance data extent movements across ASM disk groups in
ASM?
A.Checkpoint (CKPT)
B.System Monitor (SMON)
C.ASM Rebalance (ARBn)
D.Process Monitor (PMON)
E.ASM Background (ASMB)
F.ASM Rebalance Master (RBAL)
Correct:C

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NO.14 You define the Warning threshold for the tablespace usage metric for the USERS tablespace to
be 35%. Because of this, several alerts are being raised. After observing this, you decide to
increase the Warning threshold and clear all old alerts related to tablespace usage metric. Where
would you find the information about cleared alerts?
A.the alert.log file
B.the DBA_ALERT_HISTORY data dictionary table
C.the DBA_ALERT_ARGUMENTS data dictionary table
D.the DBA_TAB_STATS_HISTORY data dictionary table
E.the DBA_OUTSTANDING_ALERTS data dictionary table
F.the V$ACTIVE_SESSION_HISTORY data dictionary table
Correct:B

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NO.15 Which three files can be managed using an ASM Instance? (Choose three.)
A.Data files
B.Audit files
C.Trace files
D.Export files
E.Alert log files
F.Archived log files
G.Change tracking files
Correct:A F G

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NO.16 You have three temporary tablespace groups named G1, G2, and G3 in your database. You are
creating a new temporary tablespace as follows: CREATE TEMPORARY TABLESPACE TEMP1
TEMPFILE '/u1/data/temp1.dbf' SIZE 10M TABLESPACE GROUP ''; Which statement regarding the
above command is correct?
A.It will create the tablespace TEMP1 in group G1.
B.It will create the tablespace TEMP1 in group G3.
C.It will not add the tablespace TEMP1 to any group.
D.It will create the tablespace TEMP1 in the default group.
E.It will throw an error with message 'specified group is not available'.
F.It will create a new group with a system-generated name and add the tablespace TEMP1 to it.
Correct:C

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NO.17 View the Exhibit. You want to unload data from the ORDERS, ORDER_ITEMS, and PRODUCTS
database tables to four OS flat files by using the External Table Population method. To achieve
this objective, you execute the command shown on the Exhibit. After successful execution of the
command, you find that only two files have been created and not four. Which option do you need
to change to achieve your objective?
A.TYPE
B.LOCATION
C.PARALLEL
D.DEFAULT DIRECTORY
E.ORGANIZATION EXTERNAL
Correct:C

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NO.18 Which three file types are managed by Data Pump jobs? (Choose three.)
A.out files
B.log files
C.alert files
D.SQL files
E.error files
F.dump files
Correct:B D F

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NO.19 Examine this startup script called startmydb.sql: CONNECT myid/mypwd AS SYSDBA STARTUP
EXIT In Oracle8i, you could have executed this script by invoking Server Manager with the
command: svrmgrl @startmydb.sql Which alternative command could you use to run the
startmydb.sql script with SQL*Plus to start your Oracle 10g database?
A.sqlplus @startmydb.sql
B.sqlplus -Sstartmydb.sql
C.sqlplus -S @startmydb.sql
D.sqlplus /NOLOG @startmydb.sql
Correct:D

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NO.20 While observing database statistics, you find that the Automatic Workload Repository (AWR)
snapshots are being purged after each day. You want the snapshots to be purged on a weekly
basis. Which two options would you use to increase the purge interval? (Choose two.)
A.Enterprise Manager
B.DBMS_JOB.INTERVAL
C.DBMS_SCHEDULER.CHANGE
D.DBMS_SCHEDULER.INTERVAL
E.DBMS_WORKLOAD_REPOSITORY.MODIFY_SNAPSHOT_SETTINGS
Correct:A E

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