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Oracle Java Enterprise Edition 5 Web Component Developer Certified Professional Sample Questions:

1. Given:
11.
<%
12.
request.setAttribute("vals", new String[]{"1","2","3","4"});
13.
request.setAttribute("index", "2");
14.
%>
15.
<%-- insert code here --%>
Which three EL expressions, inserted at line 15, are valid and evaluate to "3"? (Choose three.)

A) ${vals.(vals.index)}
B) ${vals.index}
C) ${vals["2"]}
D) ${vals[vals[index-1]]}
E) ${vals[index]}
F) ${vals}[index]
G) ${vals.2}

2. What is true about Java EE authentication mechanisms?

A) If your deployment descriptor correctly declares an authentication type of BASIC, the container automatically requests a user name and password whenever a user starts a new session.
B) If your deployment descriptor correctly declares an authentication type of CLIENT_CERT, your users must have a certificate from an official source before they can use your application.
C) To use Java EE FORM authentication, you must declare two HTML files in your deployment descriptor, and you must use a predefined action in the HTML file that handles your user's login.
D) If you want your web application to support the widest possible array of browsers, and you want to perform authentication, the best choice of Java EE authentication mechanisms is DIGEST.

3. Given that a scoped attribute cart exists only in a user's session, which two, taken independently, ensure the scoped attribute cart no longer exists? (Choose two.)

A) <c:remove scope="session">${cart}</c:remove>
B) ${cart = null}
C) <c:remove var="${cart}" scope="session" />
D) <c:remove var="cart" scope="session" />
E) <c:remove scope="session">cart</c:remove>
F) <c:remove var="${cart}" />
G) <c:remove var="cart" />

4. Assume the tag handler for a st:simple tag extends SimpleTagSupport. In what way can scriptlet code be used in the body of st:simple?

A) set the body content type to JSP in the TLD
B) Scriptlet code is NOT legal in the body of st:simple.
C) add scripting-enabled="true" to the start tag for the st:simple element
D) add a pass-through Classic tag with a body content type of JSP to the body of st:simple, and place the scriptlet code in the body of that tag

5. For an HttpServletResponse response, which two create a custom header? (Choose two.)

A) response.addHeader(new HttpHeader("X-MyHeader", "34"));
B) response.addHeader(new ServletHeader("X-MyHeader", "34"));
C) response.setHeader(new HttpHeader("X-MyHeader", "34"));
D) response.setHeader(new ServletHeader("X-MyHeader", "34"));
E) response.setHeader("X-MyHeader", "34");
F) response.addHeader("X-MyHeader", "34");

Solutions: