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

1. Which two statements are true about using the isUserInRole method to implement security in a Java EE application? (Choose two.)

A) Using the isUserInRole method overrides any declarative authorization related to the method in which it is invoked.
B) Using the isUserInRole method overrides any declarative authentication related to the method in which it is invoked.
C) It can be invoked only from the doGet or doPost methods.
D) It can be used independently of the getRemoteUser method.
E) Can return "true" even when its argument is NOT defined as a valid role name in the deployment descriptor.

2. You want to create a filter for your web application and your filter will implement javax.servlet.Filter.
Which two statements are true? (Choose two.)

A) The method that your filter invokes on the object it received that implements javax.servlet.FilterChain can invoke either another filter or a servlet.
B) Your filter class must implement an init method and a destroy method.
C) When your filter chains to the next filter, it should pass the same arguments it received in its doFilter method.
D) Your filter class must implement a doFilter method that takes, among other things, an HTTPServletRequest object and an HTTPServletResponse object.
E) Your filter class must also implement javax.servlet.FilterChain.

3. A developer is designing a web application that must verify for each request:
The originating request is from a trusted network.
The client has a valid session.
The client has been authenticated.
Which design pattern provides a solution in this situation?

A) Model-View-Controller
B) Session Facade
C) Template Method
D) Transfer Object
E) Intercepting Filter

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

5. Which path is required to be present within a WAR file?

A) /WEB-INF/index.html
B) /index.html
C) /WEB-INF/classes
D) /MANIFEST-INF
E) /META-INF/index.xml
F) /classes
G) /WEB-INF/web.xml

Solutions: