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以下哪些选项可用于承载NAS层信令?()
A.SRB0
B.SRB1
C.SRB2
D.SRB3
【参考答案】
B,C,D
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Inyourproductiondatabase,youhaveobservedthatthedatabaseserverperformancedegradeswheneverthereisaswitchbetweentheloggroups.Onfurtherinvestigation,youfindthatthedatabaseisrunninginARCHIVELOGmodeandthearchivedlogfilesarebeingwrittentothesamediskthatisusedtostoretheredologmembers.Whichtwoactionswouldyoutaketoimprovetheperformanceofthedatabaseserver?()A.increasethesizeoftheredologbufferB.increasethenumberofredologgroupsC.increasethenumberoflogwriterprocessesD.increasethenumberofARCnprocessesE.changetheappropriateLOG_ARCHIVE_DEST_nparametertoplacethearchivedlogfilesinaseparatelocation
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Usersnotifyyouthattheirapplicationisfailingeverytimetheytrytoaddnewrecords.Becauseofpoorapplicationdesign,theactualORAerrormessageisunavailable.Whatmightbetheproblem?()
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