单项选择题 Whichelementofawebapplicationdeploymentdescriptorelementisrequired？（）

多项选择题 Whichtwostatementsaretrueaboutthesecurity-relatedtagsinavalidJavaEEdeploymentdescriptor？（）

单项选择题 You web application uses a lot of Java enumerated types in the domain model of the application. Built intoeach enum type is a method， getDisplay（）， which returns a localized， user-oriented string. There are manyuses for presenting enums within the web application， so your manager has asked you to create a customtag that iterates over the set of enum values and processes the body of the tag once for each value； settingthe value into a page- scoped attribute called， enumValue. Here is an example of how this tag is used： 10. 11. 12.${enumValue.display} 13. 14. You have decided to use the Simple tag model to create this tag handler. Which tag handler method willaccomplish this goal？（）