多项选择题
A.Line 13 is not valid for a servlet declaration.
B.Line 14 is not valid for a servlet declaration.
C.One instance of the servlet will be loaded at startup.
D.Ten instances of the servlet will be loaded at startup.
E.The servlet will be referenced by the name catalog in mappings.
单项选择题 WhichpathisrequiredtobepresentwithinaWARfile？（）
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？（）
多项选择题 Whichtwofromthewebapplicationdeploymentdescriptorarevalid？（）