多项选择题

Which three are described in the standard web application deployment descriptor？（）

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.Servlet Context initialization parameters

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单项选择题

Within the web application deployment descriptor， which defines a valid JNDI environment entry？（）

A.
B.
C.
D.

单项选择题

Which element of the web application deployment descriptor defines the servlet class associated with aservlet instance？（）

A.<class><br/>
B.<webapp><br/>
C.<servlet><br/>
D.<codebase><br/>
E.<servlet-class>

单项选择题

Given：
11.public class MyServlet extends HttpServlet {
12.public void service（HttpServletRequest request，
13.HttpServletResponse response）
14.throws ServletException， IOException {
15.// insert code here
16.}
17.}
and this element in the web application’s deployment descriptor：
<error-page>
<error-code>302</error-code>
<location>/html/error.html</location>
</error-page>
Which，inserted at line 15，causes the container to redirect control to the error.html resource？（）

A.response.setError（302）；
B.response.sendError（302）；
C.response.setStatus（302）；
D.response.sendRedirect（302）；
E.response.sendErrorRedirect（302）；