多项选择题 Whichthreearevalidvaluesforthebody-contentattributeofatagdirectiveinatagfile?()
单项选择题 A developer is designing a web application that must support multiple interfaces, including: • an XML web service for B2B • HTML for web-based clients • WML for wireless customers Which design pattern provides a solution for this problem?()
单项选择题 Adeveloperisdesigningamulti-tierapplicationanddiscoversaneedtohidethedetailsofestablishingandmaintainingremotecommunicationsfromtheclient.Inaddition,theapplicationneedstofind,inatransparentmanner,theheterogeneousbusinesscomponentsusedtoservicetheclient’srequests.Whichdesignpatterns,workingtogether,addresstheseissues?()