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VCE
Which interface must a session attribute implement if it needs to be notified when a web container persists a session?
A. javax.servlet.http.HttpSessionListener
B. javax.servlet.http.HttpSessionBindingListener
C. javax.servlet.http.HttpSessionAttributeListener
D. javax.servlet.http.HttpSessionActivationListener
In a JSP-centric web application, you need to create a catalog browsing JSP page. The catalog is stored as a List object in the catalog attribute of the webapp's ServletContext object. Which scriptlet code snippet gives you access to the catalog object?
A. <% List catalog = config.getAttribute("catalog"); %>
B. <% List catalog = context.getAttribute("catalog"); %>
C. <% List catalog = application.getAttribute("catalog"); %>
D. <% List catalog = servletContext.getAttribute("catalog"); %>
Which two prevent a servlet from handling requests? (Choose two.)
A. The servlet's init method returns a non-zero status.
B. The servlet's init method throws a ServletException.
C. The servlet's init method sets the ServletResponse's content length to 0.
D. The servlet's init method sets the ServletResponse's content type to null.
E. The servlet's init method does NOT return within a time period defined by the servlet container.