多项选择题
Which two are valid values for the element inside a element of a web application deployment descriptor？（）
A. NULL B. SECURE C. INTEGRAL D. ENCRYPTED E. CONFIDENTIAL
单项选择题 WhichretrievesallcookiessentinagivenHttpSErvletRequestrequest？（）
多项选择题 ForagivenServletResponseresponse，whichtworetrieveanobjectforwritingtextdata？（）
单项选择题 The attribute “name” has a value of “Foo，” What is the result if this tag handler’s tag is invoked？（）
