单项选择题
A. Transfer Object
B. Service Locator
C. Intercepting Filter
D. Business Delegate
单项选择题 Adeveloperisdesigningawebapplicationthatmakesmanyfine-grainedremotedatarequestsforeachclientrequest.Duringtesting,thedeveloperdiscoversthatthevolumeofremoterequestssignificantlydegradesperformanceoftheapplication.Whichdesignpatternprovidesasolutionforthisproblem?()
单项选择题 Adeveloperisdesigningamulti-tierwebapplicationanddiscoversaneedtologeachincomingclientrequest.Whichtwopatterns,takenindependently,provideasolutionforthisproblem?()
单项选择题 Which is the correct web application deployment descriptor element for defining a servlet initialization parameter?()