A RequestDispatcher can be obtained from which two objects？ （）

多项选择题Inwhichtwolocationscanlibrarydependenciesbedefinedforawebapplication？（）

A. the web application deployment descriptor
B. the /META-INF/dependencies.xml file
C. the /META-INF/MANIFEST.MF manifest file
D. the /META-INF/MANIFEST.MF manifest of a JAR in the web application classpath

单项选择题Which defines the welcome files in a web application deployment descriptor？（）

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

多项选择题Whichthreearedescribedinthestandardwebapplicationdeploymentdescriptor？（）

A. session configuration
B. MIME type mappings
C. context root for the application
D. servlet instance pool configuration
E. web container default port bindings
F. ServletContext initialization parameters

单项选择题Which makes the local EJB component accessible to the web components in the web application deployment descriptor？（）

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

单项选择题A web component accesses a local EJB session bean with a component interface of com.example.Account with a home interface of com.example.AccountHome and a JNDI reference of ejb Account. Which makes the local EJB component accessible to the web components in the web application deployment descriptor？（）

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