Given the code fragment:

What output will be returned when this servlet is called a GETrequest?

Given an HttpServletRequestrequest and an EJB SessionContext ctx.
Which is a valid way to retrieve the Principal invoking either behavior?

Your customer has defined three business units: two of the them require the same set of receivables payment terms whereas the third needs a separate set of receivables payment terms.
How will you receive this requirement?

Which two features are provided by the JSTL Core library for a JSP? (Choose two.)

Your web application requires logic to remember items that a user placed into a shopping cart.
Which two mechanisms should you use to associate that information with the user? (Choose two.)