OCP 1Z0-042 V3.23 题库：高效备考指南

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Oracle Certified Professional (OCP) 1Z0-042V3.23题库是针对Oracle Database 10g Administration I的专业认证考试，由TestInside提供。这个题库被设计成与实际考试题型接近，旨在帮助考生充分准备，确保在考试中取得优异成绩。TestInside不仅提供在线测试环境，通过其离线测试引擎，用户可以在模拟真实的考试条件下练习题目，这种实践过程有助于巩固知识，即便考试结束后，也能对数据库管理有持续的价值。题库包含了最新的Oracle 10g DBA产品，TestInside不断更新和修订内容，以确保信息的准确性和时效性。购买者在购买后享有时限为90天的免费更新服务，因此建议在考试前3-4天访问TestInside的会员区进行检查和下载最新版本。获取最新版题库的步骤如下： 1. 访问官方网站：<http://www.TestInside.com> 2. 登录用户中心：输入账号密码进入个人账户。 3. 在这里，你可以下载所有已购产品的最新版本，只需点击相应的链接即可。 TestInside鼓励用户反馈，如果你发现题库中有需要改进的地方，他们非常欢迎你的建议，这将有助于他们不断提升产品质量，更好地满足考生的需求。这个1Z0-042V3.23题库是备考OCP Oracle Database 10g Administration I的重要资源，提供了丰富的练习材料和及时的更新支持，是考生提升专业技能、通过考试的理想选择。

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A.Loadbalancing

B.Instancefailover

C.Databasefailover

D.Connecttimefailover

E.TransparentApplicationFailover(TAF)

Answer:D

23.InwhichsituationwouldyouusetheOracleSharedServerconfiguration?

A.whenperformingexportandimportusingOracleDataPump

B.whenperformingbackupandrecoveryoperationsusingOracleRecoveryManager

C.whenperformingbatchprocessingandbulkloadingoperationinadatawarehouseenvironment

D.inanonlinetransactionprocessing(OLTP)systemwherelargenumberofclientsessionsareidlemost

ofthetime

Answer:D

24. In your database, the STATISTICS_LEVEL initialization parameter is set to BASIC.  What is the

impactofthissetting?

A.Theoptimizerstatisticsarecollectedautomatically.

B.Onlythetimedoperatingsystem(OS)statisticsandplanexecutionstatisticsarecollected.

C. The Oracle server dynamically generates the necessary statistics on tables as part of query

optimization.

D.ThesnapshotsfortheAutomaticWorkloadRepository(AWR)arenotgeneratedautomatically.

E.SnapshotscannotbecollectedmanuallybyusingDBMS_WORKLOAD_REPOSITORYPACKAGE.

Answer:D

25. Your database is functional with peak load for one hour. You want to preserve the performance

statistics collected during this period so that they can be used for comparison while analyzing the

performanceofthedatabaseinthefuture.

Whatactionwouldyoutaketoachievethistask?

A.SettheSTATISTICS_LEVELinitializationparametertoALL.

B. Create a baseline on a pair of snapshots that have the statistics of the peakload period in the

database.

C.DecreasethesnapshotintervalintheAWRtocollectmorenumberofsnapshotsduringthepeakload

period.

D.SetthesnapshotretentionperiodintheAutomaticWorkloadRepository(AWR)tozerotoavoidthe

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automaticpurgingofthesnapshots.

Answer:B

26. The applicationworkload on your database is same between 10 a.m. and 11 a.m. onweekdays.

Suddenlyyouobservepoorperformancebetween10a.m.and11a.m.inthemiddleoftheweek.

Howwouldyouidentifythechangesinconfigurationsettings,workloadprofile,andstatisticstodiagnose

thepossiblecausesoftheperformancedegradation?

A.byusingtheSQLaccessadvisor

B.byusingtheAutomaticWorkloadRepositoryreport

C.byrunningtheAutomaticDatabaseDiagnosticMonitor(ADDM)

D.byusingtheAutomaticWorkloadRepositoryComparePeriodreport

E.byanalyzingtheoutputoftheV$ACTIVE_SESSION_HISTORYview

Answer:D

27.Inyourdatabase,thesnapshotintervalissetto10minutesfortheAutomaticWorkloadRepository

(AWR).Thedatabaseinstanceisrunningforthepast30days.

ViewtheExhibittoexaminetheAutomaticDatabaseDiagnosticMonitor(ADDM)task.

TheADDMtaskisperformedevery10minutes,exceptthelasttask.Whatcouldbethereasonforthis?

A.ThesnapshotretentionperiodfortheAWRwasincreasedbeforethelasttask.

B.Theoptimizerstatisticsforfewobjectsinthedatabasewerelockedbeforethelasttask.

C.TheSTATISTICS_LEVELinitializationparameterwaschangedtoBASICandresettoTYPICALbefore

thelasttask.

D.TheoptimizerstatisticswascollectedmanuallybyusingtheDBMS_STATSpackagebeforethelast

task.

Answer:C

28.WhichtwostatementsaretrueabouttheAutomaticDatabaseDiagnosticMonitor(ADDM)?(Choose

two.)

A.TheADDMrunsaftereachAWRsnapshotiscollected.

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B.TheADDMrequiresatleastfourAWRsnapshotsforanalysis.

C.TheADDManalysisprovidesonlythediagnosticinformationbutdoesnotproviderecommendations.

D.TheresultsoftheADDManalysisarestoredintheAutomaticWorkloadRepository(AWR).

E.TheADDMcallsotheradvisorsifrequired,butdoesnotproviderecommendationsabouttheadvisors.

Answer: AD

29.Youwanttomonitorandcontroltheresourceusagebysessions.Youwanttobewarnedautomatically

whenmorethan100sessionsareopenedwithyourdatabase.

Whatactionwouldyoutaketoachievethis?

A.UsetheDatabaseResourceManager.

B.Setthelimitsintheprofilesusedbyusers.

C.ModifytheSESSIONSinitializationparameter.

D.SetthewarningthresholdfortheCurrentLogonsCountmetric.

Answer:D

30.ViewtheExhibittoexaminetheoutputoftheDBA_OUTSTANDING_ALERTview.

After30minutes,youexecutedthefollowingcommand:

SQL>SELECT reason,metric_valueFROMdba_outstanding_alerts;

REASON                         METRIC_VALUE



Tablespace[TEST]is[28perce       28.125

nt]full

Whatcouldbethetworeasonsfortheeliminationoftheotherrowsintheoutput?(Choosetwo.)

A.Thethresholdalertconditionsarecleared.

B.ThethresholdalertsaretransferredtoDBA_ALERT_HISTORY.

C.ThenonthresholdbasedalertsaretransferredtoDBA_ALERT_HISTORY.

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