SUN SCWCD 310-083

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SUN Sun Certified Web Component Developer for J2EE 5 Sample Questions:

1. Which method must be used to encode a URL passed as an argument to
HttpServletResponse.sendRedirect when using URL rewriting for session tracking?

A) HttpServletResponse.encodeURL
B) ServletResponse.encodeRedirectURL
C) HttpServletResponse.encodeRedirectURL
D) ServletResponse.encodeURL

2. Given:
1 1. <%
1 2. request.setAttribute("vals", new String[]{"1","2","3","4"});
1 3. request.setAttribute("index", "2");
1 4. %>
1 5. <%-- 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.2}
C) ${vals.index}
D) ${vals[index]}
E) ${vals["2"]}
F) ${vals}[index]
G) ${vals[vals[index-1]]}

3. You are creating a web form with this HTML:
1 1. <form action="sendOrder.jsp">
1 2. <input type="text" name="creditCard">
1 3. <input type="text" name="expirationDate">
1 4. <input type="submit">
1 5. </form>
Which HTTP method is used when sending this request from the browser?

A) GET
B) POST
C) FORM
D) SEND
E) PUT

4. What is true about Java EE authentication mechanisms?

A) 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.
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) 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.
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.

5. Which interface must a class implement so that instances of the class are notified after any object is added to a session?

A) javax.servlet.http.HttpSessionBindingListener
B) javax.servlet.http.HttpSessionValueListener
C) javax.servlet.http.HttpSessionListener
D) javax.servlet.http.HttpSessionAttributeListener

Solutions: