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Q11. Given:
Which three EL expressions, inserted at line 16, are valid and evaluate to “d”? (Choose three)
A. ${map.c}
B. ${map.[c]}
C. ${map.[“c”]}
D. ${map.map.b}
E. ${map.[map.b]}
F. ${map. (map.b)}
Answer: ACE
Q12. Given a war file with the following structure
| - WEB-INF/classes/Myservlet.class | -WEB-INF/lib/wf.jaf Where wf.jar contains a valid web-fragment.xml and the following two classes: MyFilter1.class and
MyFiler2.class.
The web-fragment.xml is as follows:
When one access “/” of the above web application, which filters will be executed?
A. No filters will be executed.
B. MyFilter1
C. MyFilter2
D. MyFilter1 and MyFilter2
Answer: C
Q13. Which java code snippet checks whether the user is of the role “MANAGER” for a given HttpServRequest, httpServletRequest?
A. httpServletRequest.isUserInRole(“MANAGER”);
B. httpServletRequest.isCallerInRole(“MANAGER”);
C. httpServletRequest.isPrincipalInRole(“MANAGER”);
D. httpServletRequest.isAuthnticatedUserInRole(“MANAGER”);
Answer: A
Q14. Which EL expression evaluates to the request URI?
A. ${requestURI}
B. ${request.URI}
C. ${request.getURI}
D. ${request.requestURI}
E. ${requestScope.requestURI}
F. ${pageContext.request.requestURI}
G. ${requestScope.request.requestDRI}
Answer: F
Q15. A web application wants to register a new servlet at runtime using one of the servletContext.addServlet methods.
In the implementation of which method is it legal to perform this operation?
A. AsyncListner.oncomplete
B. Servlet.init
C. ServletContextListener.contextInitialize
D. ServletrequestListener.contextInitialize
Answer: C
Q16. Which two are true about the JSTL core iteration custom tags? (Choose two.)
A. It may iterate over arrays, collections, maps, and strings.
B. The body of the tag may contain EL code, but not scripting code.
C. When looping over collections, a loop status object may be used in the tag body.
D. It may iterate over map, but only the key of the mapping may be used in the tag body.
E. When looping over integers (for example begin= ‘1’ end= ‘10’), a loop status object may not be used in the tag body.
Answer: AC
Q17. You are building your own layout mechanism by including dynamic content for the page’s header and footer sections. The footer is always static, but the header generates the <title> tag that requests the page name to be specified dynamically when the header is imported.
Which JSP code snippet performs the import of the header content?
A. <jsp:include page=‘/WEB-INF/jsp/header.jsp’> <jsp:param name=‘pageName’ value=‘Welcome Page’ /> </jsp:include>
B. <jsp:importpage=‘/WEB-INF/jsp/header.jsp’> <jsp:param name=‘pageName’ value=‘Welcome Page’ /> </jsp:import>
C. <jsp:include page=‘/WEB-INF/jsp/header.jsp’>
<jsp:attribute name=‘pageName’ value=‘Welcome Page’ /> </jsp:include>
D. <jsp:import page=‘/WEB-INF/jsp/header.jsp’> <jsp:attribute name=‘pageName’ value=‘Welcome Page’ /> </jsp:import>
Answer: A
Q18. A web application uses a cookies to track a client as it navigates through the pages that constitutes the application. Which code snippet can be used by the web application to reduce the chance of a cross-site scripting attack by setting some property of the cookie before returning it to the client?
A. cookie.setHttpOnly(true)
B. cookie.setMaxAge(3600)
C. cookie.setPath(“/”)
D. cookie.setSecure(true)
Answer: A
Q19.
HttpSession session = getSession(sessionID);
Q20. The jquery_1_3_2.jar file contains the JQuery Ajax framework in its META-INF/ resources directory. Where should the jar file be placed inside the web application to ensure the resources it contains are accessible by clients?
A. WEB-INF/classes
B. WEB-INF/jar
C. WEB-INF/lib
D. WEB INF/resources
Answer: C