单项选择题
A. The developer must ensure that every URL is properly encoded using the appropriate URL rewriting APIs
B. The developer must provide an alternate mechanism for managing sessions and abandon theHttpSession mechanism entirely
C. The developer can ignore this issue. Web containers are required to support automatic URL rewriting when cookies are not supported
D. The developer must ass the string ？id=
单项选择题 AJSPpage，current.jsp，iscreatedtodisplaythecurrentweatherreport.Theweatherreportiscontainedinaweather.htmlpagethatisrewritteneveryfiveminutes.Whichline，appearingincurrent.jsp，ensuresthatthemostrecentversionofweather.htmlisincludedwhenevercurrent.jspisreferenced？（）
单项选择题 What code， inserted at line 21， is called prior to a session being migrated to a different JVM assuming the web application containing MyExample is deployed in a container which supports distributed applications？（）
多项选择题 Whichthe threearetrueaboutservletfilters？（）