Which of the following are true with respect to state management in a web application? a)Type of database ( DB2 UDB, Oracle, Sybase, or InstantDB ) b)URL Rewriting is an alternative to using cookies. c)URL Rewriting does not require any client side configuration. d)HttpSession information is available to JavaScript code in a web page. Multiple Select - Please select all of the correct answers (this question has 2 correct choices).