多项选择题
A.WAR files must be located in the web application library directory.
B.WAR files must contain the web application deployment descriptor.
C.WAR files must be created by using archive tools designed specifically for that purpose.
D.The web container must serve the content of any META-INF directory located in a WAR file.
E.The web container must allow access to resources in JARs in the web application library directory.
多项选择题 Given that www.example.com/SCWCDtestApp is a validly deployed Java EE web application and that all ofthe JSP files specified in the requests below exist in the locations specified. Which two requests，issuedfrom a browser，will return an HTTP 404 error？（）
多项选择题 WhichtwoactionsprotectaresourcefilefromdirectHTTPaccesswithinawebapplication？（）
单项选择题 After a merger with another small business， your company has inherited a legacy WAR file but the originalsource files were lost. After reading the documentation of that web application，you discover that the WARfile contains a useful tag library that you want to reuse in your own webapp packaged as a WAR file. What do you need to do to reuse this tag library？（）