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SUN 310-083 Exam Syllabus Topics:

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

1. For debugging purposes, you need to record how many times a given JSP is invoked before the user's session has been created. The JSP's destroy method stores this information to a database. Which JSP code snippet keeps track of this count for the lifetime of the JSP page?

A) <%@ int count = 0;
if ( request.getSession(false) == null ) count++; %>
B) <%@ int count = 0; %>
< % if ( request.getSession(false) == null ) count++; %>
C) <%! int count = 0; %>
< % if ( request.getSession(false) == null ) count++; %>
D) <%! int count = 0;
if ( request.getSession(false) == null ) count++; %>
E) <% int count = 0;
if ( request.getSession(false) == null ) count++; %>

2. Which two are characteristics of the Service Locator pattern? (Choose two.)

A) It improves client performance by caching context and factory objects.
B) It increases source code duplication and decreases reuse.
C) It degrades network performance due to increased access to distributed lookup services.
D) It encapsulates component lookup procedures.

3. For manageability purposes, you have been told to add a "count" instance variable to a critical JSP Document so that a JMX MBean can track how frequent this JSP is being invoked. Which JSP code snippet must you use to declare this instance variable in the JSP
Document?

A) <%! int count = 0; %>
B) <jsp:declaration>
int count = 0;
< jsp:declaration>
C) <jsp:declaration.instance>
int count = 0;
< jsp:declaration.instance>
D) <jsp:scriptlet.declaration>
int count = 0;
< jsp:scriptlet.declaration>

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

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

5. If you want to use the Java EE platform's built-in type of authentication that uses a custom
HTML page for authentication, which two statements are true? (Choose two.)

A) In the HTML related to authentication for this application, you must use predefined variable names for the variables that store the user and password values.
B) You must have a tag in your deployment descriptor that allows you to point to both a login HTML page and an HTML page for handling any login errors.
C) The related custom HTML login page must be named loginPage.html.
D) Your deployment descriptor will need to contain this tag:
< auth-method>CUSTOM</auth-method>.
E) When you use this type of authentication, SSL is turned on automatically.

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