单项选择题
Which security mechanism is employed only on the server-side to limit access to resources or components？（）
A. authorization B. data integrity C. confidentiality D. authentication
单项选择题 Whenusingaform-basedauthentication，whichactionmustbeusedintheloginform？（）
多项选择题 Whichtwopiecesofinformationareneededwhendeclaringthewebresourcecollectioninthedeploymentdescriptor？（）
多项选择题 Whichtwosecuritymechanismsprotecttheresponsestream？（）
