SCWCD(310-083)單項選擇題每日一練(2019.01.22)

You are building JSP pages that have a set of menus that are visible based on a user’s security role. Thesemenus are hand-crafted by your web design team； for example， the SalesManager role has a menu in thefile /WEB-INF/html/sales-mgr-menu.html.
Which JSP code snippet should be used to make this menuvisible to the user？（）

Users of your web application have requested that they should be able to set the duration of their sessions.So for example， one user might want a webapp to stay connected for an hour rather than the webapp’sdefault of fifteen minutes； another user might want to stay connected for a whole day. Furthermore， youhave a special login servlet that performs user authentication and retrieves the User object from the database. You want to augment this code to set up the user’s specified session duration.
Which codesnippet in the login servlet will accomplish this goal？（）

Given the JSP code：
<% request.setAttribute（"foo"， "bar"）； %>and the Classic tag handler code：
5. public int doStartTag（） throws JspException {
6. // insert code here
7. // return int
8. }
Assume there are no other "foo" attributes in the web application.
Which invocation on the pageContextobject，inserted at line 6，assigns "bar" to the variable x？（）

Your management has required that all JSPs be created to generate XHTML-compliant content and tofacilitate that decision， you are required to create all JSPs using the JSP Document format. In the reviewOrder.jspx page， you need to use several core JSTL tags to process the collection of order items inthe customer’s shopping cart.
Which JSP code snippets must you use in the reviewOrder.jspx page？（）