SUN 310-083

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

1. Given an HttpServletRequest request and HttpServletResponse response, which sets a cookie "username" with the value "joe" in a servlet?

A) request.addHeader(new Cookie("username", "joe"))
B) response.addCookie("username", "joe")
C) response.addHeader(new Cookie("username", "joe"))
D) request.setCookie("username", "joe")
E) request.addCookie(new Cookie("username", "joe"))
F) request.addCookie("username", "joe")
G) response.addCookie(new Cookie("username", "joe"))

2. You are building a Front Controller using a JSP page and you need to determine if the user's session has NOT been created yet and perform some special processing for this case. Which scriptlet code snippet will perform this test?

A) <% if ( request.getSession(false) == null ) {
// special processing
} %>
B) <% if ( request.getHttpSession(false) == null ) {
// special processing
} %>
C) <% if ( requestObject.getHttpSession(false) == null ) {
// special processing
} %>
D) <% if ( requestObject.getSession(false) == null ) {
// special processing
} %>

3. A developer is designing a web application that must support multiple interfaces, including:
an XML web service for B2B
HTML for web-based clients
WML for wireless customers
Which design pattern provides a solution for this problem?

A) Chain of Responsibility
B) Model-View-Controller
C) Session Facade
D) Business Delegate
E) Data Access Object

4. A web application allows the HTML title banner to be set using a servlet context initialization parameter called titleStr. Which two properly set the title in this scenario?
(Choose two.)

A) <title>${params[0].titleStr}</title>
B) <title>${initParam.titleStr}</title>
C) <title>${request.get("titleStr")}</title>
D) <title>${paramValues.titleStr}</title>
E) <title>${servletParams.titleStr}</title>
F) <title>${titleStr}</title>
G) <title>${initParam['titleStr']}</title>

5. Given a portion of a valid Java EE web application's directory structure:
MyApp
|
|-- Directory1
| |-- File1.html
|
|-- META-INF
| |-- File2.html
|
|-- WEB-INF
|-- File3.html
You want to know whether File1.html, File2.html, and/or File3.html is protected from direct access by your web client's browsers.
What statement is true?

A) All three files are directly accessible.
B) Only File1.html and File2.html are directly accessible.
C) Only File1.html and File3.html are directly accessible.
D) Only File2.html and File3.html are directly accessible.
E) Only File3.html is directly accessible.
F) Only File2.html is directly accessible.
G) Only File1.html is directly accessible.

Solutions: