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

1. Given:
11.
<% java.util.Map map = new java.util.HashMap();
12.
request.setAttribute("map", map);
13.
map.put("a", "true");
14.
map.put("b", "false");
15.
map.put("c", "42"); %>
Which three EL expressions are valid and evaluate to true? (Choose three.)

A) ${map.a and map.d}
B) ${map.a and map.b or map.a}
C) ${map['true'] or map['false']}
D) ${map.false or map.true}
E) ${map.d or map.a}
F) ${not map.c}

2. A JSP page contains a taglib directive whose uri attribute has the value dbtags. Which XML element within the web application deployment descriptor defines the associated TLD?

A) <tld>
<tld-uri>dbtags</tld-uri>
<tld-location>/WEB-INF/tlds/dbtags.tld</tld-location>
</tld>
B) <tld>
<uri>dbtags</uri>
<location>/WEB-INF/tlds/dbtags.tld</location>
</tld>
C) <taglib>
<uri>dbtags</uri>
<location>/WEB-INF/tlds/dbtags.tld</location>
</taglib>
D) <taglib>
<taglib-uri>dbtags</taglib-uri>
<taglib-location>
/WEB-INF/tlds/dbtags.tld
</taglib-location>
</taglib>

3. Which statement is true about web container session management?

A) To activate URL rewriting, the developer must use the HttpServletResponse.setURLRewriting method.
B) Access to session-scoped attributes is guaranteed to be thread-safe by the web container.
C) If the web application uses HTTPS, then the web container may use the data on the HTTPS request stream to identify the client.
D) The JSESSIONID cookie is stored permanently on the client so that a user may return to the web application and the web container will rejoin that session.

4. In which two locations can library dependencies be defined for a web application? (Choose two.)

A) the /META-INF/dependencies.xml file
B) the /META-INF/MANIFEST.MF manifest of a JAR in the web application classpath
C) the web application deployment descriptor
D) the /META-INF/MANIFEST.MF manifest file

5. In a JSP-centric web application, you need to create a catalog browsing JSP page. The catalog is stored as a List object in the catalog attribute of the webapp's ServletContext object. Which scriptlet code snippet gives you access to the catalog object?

A) <% List catalog = application.getAttribute("catalog"); %>
B) <% List catalog = servletContext.getAttribute("catalog"); %>
C) <% List catalog = config.getAttribute("catalog"); %>
D) <% List catalog = context.getAttribute("catalog"); %>

Solutions: