A. The attribute foo is placed in the applicationB. A S……

单项选择题Whichisthe true choiceaboutthewebcontainerrequestprocessingmodel（）？

A. The init method on a filter is called the first time a servlet mapped to that filter is invoked
B. A filter defined for a servlet must always forward control to the next resource in the filter chain.
C. Filters associated with a named servlet are applied in the order they appear in the web application deployment descriptor file
D. If the init method on a filter throws an UnavailableException， then the container will make no further attempt to execute it

多项选择题Whichthe twoaretrueregardingawebapplicationclassloader？（）

A. A web application may override the web container’s implementation classes
B. A web application running in a J2EE product may override classes in the javax.* namespace
C. A web application class loader may NOT override any classes in the java.* and javax.*  namespace
D. Resources in the WAR class directory or in any of the JAR files within the library directory may  be accessed using the J2SE semantics of getResource
E. Resources in the WAR class directory or in any of the JAR files within the library directory  cannot be accessed using the J2SE semantics of getResource

单项选择题Within the web application deployment descriptor， which defines a valid JNDI environment entry（）

A.A
B.B
C.C
D.D

单项选择题Whichpath，relativetoawebapplication’sroot，identifiesthewebapplication’sdeploymentdescriptor？（）

A. /conf/web.xml
B. /WEB-INF/web.xml
C. /conf/server.xml
D. /META-INF/web.xml
E. /WEB-INF/rules.xml
F. /META-INF/server. Xml

多项选择题Which two are true（）

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 instance of the servlet will be loaded at start up
E. the servlet will be referenced by the name catalog in mappings