If req is a reference to an HttpServletRequest and there is no current session, what is true about req.getSession() ?

The Web container creates JSP implicit objects like...

Which provide a handle to access page directive attributes in the scripting environment?

Which is a valid JSP expression?

When might a JSP get translated (Choose all that apply)? a. When the application is started b. When the developer compiles code in the src folder c. The first time a user requests the JSP d. After jspdestroy() is called, it gets retranslated

How can you call a servlet to autofill a dropdown list which depends on selection from previous 2 dropdown lists? 1. Print all possible values of the 2nd and 3rd dropdown out as a Javascript object 2. Make use of XMLHttpRequest in Javascript to fire an asynchronous request to a servlet during the onchange event 3. Both of them 4. None of them

Which is an INVALID attribute for tag directive?

What is the limit of data to be passed from HTML when doGet() method is used?

Where in JSP page source can EL functions be used?

Which object scope is defined as follows : Objects with this scope are accessible from pages processing requests in the same application as the one in which they were created?

Which is not a valid java bean (POJO) scope in JSP?