多项选择题 Inann-tierapplication，whichtwoinvocationsaretypicallyremote，notlocal？（）

单项选择题 A developer is designing a web application that makes many fine-grained remote data requests for eachclient request. During testing， the developer discovers that the volume of remote requests significantlydegrades performance of the application. Which design pattern provides a solution for this problem？（）

多项选择题 Whichthreearevalidvaluesforthebody-contentattributeofatagdirectiveinatagfile？（）