Study tips 1Z0-899

Which EL expression returns true if no session has been established with current client?

Which two techniques can you use to accomplish this goal?

Which method should the servlet use to access the uploaded files?

which three events can web application event listeners be registered?

To add a servlet to a context that has not been declared either via annotation or via the descriptor…

ServletContextListeners are invoked in

Which two methods can host the cache creation code?

Which two technologies would be suitable for use as Front Controller elements?

What is the result of a client request of the Source servlet with no query string?

Which three are true about the HttpServletRequestWrapper class?