单项选择题

Yourcompany，Contoso，Ltd.，hasamainofficeandabranchoffice.TheofficesareconnectedbyaWANlink.ContosohasanActiveDirectoryforestthatcontainsasingledomainnamedad.contoso.com.
Thead.contoso.comdomaincontainsonedomaincontrollernamedDC1thatislocatedinthemainoffice.DC1isconfiguredasaDNSserverforthead.contoso.comDNSzone.Thiszoneisconfiguredasastandardprimaryzone.
YouinstallanewdomaincontrollernamedDC2inthebranchoffice.YouinstallDNSonDC2.YouneedtoensurethattheDNSservicecanupdaterecordsandresolveDNSqueriesintheeventthataWANlinkfails.
Whatshouldyoudo（）

A.，hasamainofficeandabranchoffice.TheofficesareconnectedbyaWANlink.ContosohasanActiveDirectoryforestthatcontainsasingledomainnamedad.contoso.com.
B.contoso.comdomaincontainsonedomaincontrollernamedDC1thatislocatedinthemainoffice.DC1isconfiguredasaDNSserverforthead.contoso.comDNSzone.Thiszoneisconfiguredasastandardprimaryzone.
C.YouinstallDNSonDC2.YouneedtoensurethattheDNSservicecanupdaterecordsandresolveDNSqueriesintheeventthataWANlinkfails.

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YouareresponsibleforimplementingmaintenancejobsonaSQLServer2005databaseserver.CertainjobsruneverySundayandotherjobsrunatthebeginningofeverymonth.Youneedtoschedulethejobsinthewaythatusestheleastamountofadministrativeeffort.Whatshouldyoudo？（）
A.CreateajobschedulethatrunseverySunday.Assignweeklytaskstothisschedule.Createasecondschedulethatrunsonthefirstdayofeverymonth.Assignmonthlytaskstothisschedule.
B.Createajobforeachtaskthatrunsonceaday.UseaTransact-SQLstatementtocheckthedateanddayoftheweek.IfthedayiseitheraSundayorthefirstdayofthemonth，executethecode.
C.Createajobschedulethatrunsonceaday.Assignjobstothisjobschedule.IfthedayiseitheraSundayorthefirstdayofthemonth，executethejobs.
D.CreateajobforeachtaskthatrunsonceaweekonSunday.Addasecondjobschedulethatrunsthejobonthefirstofthemonth

A.CertainjobsruneverySundayandotherjobsrunatthebeginningofeverymonth.Youneedtoschedulethejobsinthewaythatusestheleastamountofadministrativeeffort.Whatshouldyoudo？（）
A.CreateajobschedulethatrunseverySunday.Assignweeklytaskstothisschedule.Createasecondschedulethatrunsonthefirstdayofeverymonth.Assignmonthlytaskstothisschedule.
B.Createajobforeachtaskthatrunsonceaday.UseaTransact-SQLstatementtocheckthedateanddayoftheweek.IfthedayiseitheraSundayorthefirstdayofthemonth，executethecode.
C.Createajobschedulethatrunsonceaday.Assignjobstothisjobschedule.IfthedayiseitheraSundayorthefirstdayofthemonth，executethejobs.
D.CreateajobforeachtaskthatrunsonceaweekonSunday.Addasecondjobschedulethatrunsthejobonthefirstofthemonth

单项选择题

YourapplicationmustaccessdatathatislocatedontwoSQLServer2005computers.OneoftheseserversisnamedSQL1andtheotherisSQL2.YouhavepermissionstocreateastoredprocedureonSQL1tosupportyourapplication.However，onSQL2youonlyhavepermissionstoselectdata.YouwritethestoredprocedureonSQL1.ThestoredprocedureaccessesSQL2byusingtheOPENQUERYTransact-SQLstatement.However,thequeryfailswhenexecuted.Youneedtotroubleshootthecauseoftheerror.Whatshouldyoudo？（）
A.Jointhetwoserversbyusingthefour-partsyntaxofserver.database.schema.table.
B.ReferenceSQL2byusinganalias.
C.AddSQL2asaremoteservertoSQL1.
D.AddSQL2asalinkedservertoSQL1.

A.OneoftheseserversisnamedSQL1andtheotherisSQL2.YouhavepermissionstocreateastoredprocedureonSQL1tosupportyourapplication.However，onSQL2youonlyhavepermissionstoselectdata.YouwritethestoredprocedureonSQL1.ThestoredprocedureaccessesSQL2byusingtheOPENQUERYTransact-SQLstatement.However,thequeryfailswhenexecuted.Youneedtotroubleshootthecauseoftheerror.Whatshouldyoudo？（）
A.Jointhetwoserversbyusingthefour-partsyntaxofserver.database.schema.table.
B.ReferenceSQL2byusinganalias.
C.AddSQL2asaremoteservertoSQL1.
D.AddSQL2asalinkedservertoSQL1.