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下列关于计算机病毒的说法正确的是（）。A．加装防病毒卡的微机不会感染病毒B．反病毒软件可清除所有

下列关于计算机病毒的说法正确的是()。

A.加装防病毒卡的微机不会感染病毒

B.反病毒软件可清除所有病毒

C.计算机病毒是一种人为蓄意编制的计算机程序

D.病毒不会通过网络传染

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更多“下列关于计算机病毒的说法正确的是（）。A．加装防病毒卡的微机不会感染病毒B．反病毒软件可清除所有”相关的问题

第1题

Amediafailurehasoccurred.Thishasresultedinallthemembersofthenexthoploggroupbeingrenderedinaccessibletothelogwriterprocess(LGWR)atalogswitch.Howdoesthisfailureaffecttheoperationaldatabase?()

A.Thedatabasere-createdthemissingredologfilesautomatically.

B.Thedatabasecontinuestofunctionnormallywiththeexistingfiles.

C.Thedatabaseallowsonlyqueries，nootherstatementsareallowed.

D.Thedatabasereturnsanderrorandthedatabaseinstanceshutsdown.

E.Theusersessionsthatgenerateredologsareterminatedautomatically.

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第2题

Your multitenant container database (CDB) contains some pluggable databases (PDBs), you execute the following command in the root container:Which two statements are true?()

A. Schema objects owned by the C# # A_ADMIN common user can be shared across all PDBs.

B. The C # # A_ADMIN user will be able to use the TEMP_TS temporary tablespace only in root.

C. The command will, create a common user whose description is contained in the root and each pdb.

D. The schema for the common user C # # A_ADMIN can be different in each container.

E. The command will create a user in the root container only because the container clause is not used

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第3题

AutomaticSharedMemoryManagement(ASMM)hasbeenenabledforyourdatabaseinstance.Theinitializati

AutomaticSharedMemoryManagement（ASMM）hasbeenenabledforyourdatabaseinstance.TheinitializationparametersforthecomponentsthataremanagedbyASMMarenotset.AfterobservingtheeffectsofASSM，youexecutedthefollowingcommand：SQL>ALTERSYSTEMSETDB_CACHE_SIZE=100M；Whichstatementistrueinthisscenario（）

A.Theminimummemorysizeforthedatabasebuffercacheissetto100mb.

B.ThemaximummemorysizethatcanbeobtainedbythedatabasebuffercacheduringASMMissetto100mb

C.Theminimummemorysizeallocatedforaserverprocessinthedatabasebuffercacheindedicatedmodeissetto100mb.

D.ThemaximummemorysizefromthedatabasebuffercachethatcanbereleasedfordynamicdistributionduringASMMissetto100mb

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第4题

Asadatabaseadministratoryouspendalotoftimeobservingandsettingvariousstorageparametervaluesforyourapplicationtablesinordertogainperformancebenefits.Whichtaskwouldyouperformtoreducethisoverhead?()

A.Coalescetheapplicationtablesataregularinterval.

B.ExportandImporttheapplicationtablesaregularinterval.

C.Dropandrecreatetheapplicationtablesataregularinterval.

D.Movetheapplicationtablestoatablespacewithlessspaceusage.

E.Distributetheapplicationtablesacrossmultipletablespacesdependingonusage.

F.Movetheapplicationtablestoautomaticsegmentspacemanagementtablespace.

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第5题

Youcreatedatabularreportforhumanresourcesdepartment.Afterviewinglayoutusershaverequestedthatyouchangethelabelofthedeptcolumntosomethingmoremeaningful.Howwouldyouchangethelabelinthelivepreviewer?()

A.Usethereportwizardtochangethecolumnlabel.

B.Clickandhighlightthecolumnlabelandreplaceitwithdesiredtext.

C.Clickthecolumnlabelandalteritspropertypalette.

D.Clickthedeptcolumnandalteritspropertypalette.

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第6题

Youcompletedthedevelopmentofanewapplicationandwanttocreateanewdomaininanewenvironmentforfu

nctionaltesting.Youwanttohavethesamesettingsforyournewdomainasyourolddomain,withtheoptionofchangingtheconfigurationinthenewtargetenvironment.Whichtwoactionsshouldyouexecute?（）

A.Usetheintrospect()commandinWLSTtogathertheconfigurationinformationfromtheoriginaldomain.

B.Usepack/unpacktotransferthedomainfromonemachinetoanother.

C.CreateadomaintemplatefromtheoriginaldomainusingtheDomainTemplateBuilderandusetheConfigurationWizardtocreateanewdomainfromthetemplate.

D.UsetheAdminConsoleoftheoriginaldomaintocreateadomaintemplatefromtheoriginaldomainandusetheConfigurationWizardtocreateanewdomainfromthetemplate.

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第7题

YourdatabaseisfunctioninginARCHIVELOGmode.Inwhichtwosituationswouldyouperformacancel-basedrecovery?()

A.Youfindthatoneoftheredologmembersineachredologgroupislost.

B.YoufindthatadatafilethatbelongstotheUSERStablespaceisdamaged.

C.YoufindthatadatafilethatbelongstotheSYSTEMtablespaceisdamaged.

D.Youfindthatthecurrentredologgroupisdamagedandisnotavailableforrecovery.

E.Yourealizedwhileperformingarecoverythatanarchivedredologfileneededforrecoveryislost.

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第8题

Exhibit:ViewtheExhibittoseethestructureoftheEMPLOYEESandDEPARTMENTStables.Yourorganization

Exhibit：ViewtheExhibittoseethestructureoftheEMPLOYEESandDEPARTMENTStables.YourorganizationplanstodissolvethedepartmentwithdepartmentID30.YouexecutethefollowingcommandtodeleterowsfromtheDEPARTMENTStable：SQL>deletefromDEPARTMENTSwhereDEPT_ID=30；Thecommandfailsanddisplaysthefollowingerror：ERRORatline1：ORA-02292：integrityconstraint（HR.SYS_C005374）violated-childrecordfoundWhichtwoactionswouldyoutaketoovercomethiserror？（）

Exhibit：

ViewtheExhibittoseethestructureoftheEMPLOYEESandDEPARTMENTStables.

YourorganizationplanstodissolvethedepartmentwithdepartmentID30.YouexecutethefollowingcommandtodeleterowsfromtheDEPARTMENTStable：SQL>deletefromDEPARTMENTSwhereDEPT_ID=30；

Thecommandfailsanddisplaysthefollowingerror：

ERRORatline1：

ORA-02292：integrityconstraint（HR.SYS_C005374）violated-childrecordfoundWhichtwoactionswouldyoutaketoovercomethiserror？（）

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第9题

WhichstatementistruewhilecreatingsubplansusingResourceManager?()

A.Thesubplanmustbelongtotheconsumergroup，SYS_GROUP.

B.ThetotalCPUusageatanygivenlevelmustbelessthan100%.

C.Thesubplanscanbeusedtorestrictthedegreeofparallelismforauser.

D.Youcanusearesourceplaninsteadofaconsumergrouptoimplementapriorityrankingwithintheplan.

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第10题

Examine the SQL statements that creates ORDERS table:For which columns would an index be automatically created when you execute the above SQL statement? ()

A. SER_NO

B. ORDER_ID

C. STATUS

D. PROD_ID

E. ORD_TOTAL

F. Composite index on ORDER_ID and ORDER_DATE

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