SUN 310-083 Exam Questions : Sun Certified Web Component Developer for J2EE 5

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SUN 310-083 Exam Syllabus Topics:

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

1. Which JSP standard action can be used to import content from a resource called foo.jsp?

A) <jsp:import file='foo.jsp' />
B) <jsp:include>foo.jsp</jsp:include>
C) <jsp:import page='foo.jsp' />
D) <jsp:include page='foo.jsp' />
E) <jsp:include file='foo.jsp' />
F) <jsp:import>foo.jsp</jsp:import>

2. The Squeaky Bean company has decided to port their web application to a new J2EE 1.4 container. While reviewing the application, a developer realizes that in multiple places within the current application, nearly duplicate code exists that finds enterprise beans.
Which pattern should be used to eliminate this duplicate code?

A) Model-View-Controller
B) Front Controller
C) Service Locator
D) Business Delegate
E) Intercepting Filter
F) Transfer Object

3. You have been contracted to create a web site for a free dating service. One feature is the ability for one client to send a message to another client, which is displayed in the latter client's private page. Your contract explicitly states that security is a high priority.
Therefore, you need to prevent cross-site hacking in which one user inserts JavaScript code that is then rendered and invoked when another user views that content. Which two
JSTL code snippets will prevent cross-site hacking in the scenario above? (Choose two.)

A) <c:out value='${message}' eliminateXml='true' />
B) <c:out value='${message}' escapeXml='true' />
C) <c:out value='${message}' />
D) <c:out eliminateXml='true'>${message}</c:out>
E) <c:out>${message}</c:out>

4. The Squeaky Beans Inc. shopping application was initially developed for a non-distributed environment. The company recently purchased the Acme Application Server, which supports distributed HttpSession objects. When deploying the application to the server, the deployer marks it as distributable in the web application deployment descriptor to take advantage of this feature.
Given this scenario, which two must be true? (Choose two.)

A) Storing references to Enterprise JavaBeans components in the HttpSession object might
NOT be supported by J2EE web containers.
B) As per the specification, the J2EE web container ensures that distributed HttpSession objects will be stored in a database.
C) The J2EE web container must support migration of objects that implement Serializable.
D) The J2EE web container must use the native JVM Serialization mechanism for distributing HttpSession objects.

5. Assume the scoped attribute priority does NOT yet exist. Which two create and set a new request-scoped attribute priority to the value "medium"? (Choose two.)

A) <c:set property="priority" scope="request">medium</c:set>
B) <c:set var="priority" value="medium" />
C) <c:set property="priority" value="medium" scope="request" />
D) ${requestScope['priority'] = 'medium'}
E) ${priority = 'medium'}
F) <c:set var="priority" scope="request">medium</c:set>
G) <c:set var="priority" value="medium" scope="request" />

Solutions: