Oracle 1Z0-858 : Java Enterprise Edition 5 Web Component Developer Certified Professional Exam

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

1. 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) Template Method
C) Transfer Object
D) Intercepting Filter
E) Session Facade

2. Which two are true about the JSTL core iteration custom tags? (Choose two.)

A) It may iterate over a map, but only the key of the mapping may be used in the tag body.
B) When looping over integers (for example begin='1' end='10'), a loop status object may not be used in the tag body.
C) The body of the tag may contain EL code, but not scripting code.
D) When looping over collections, a loop status object may be used in the tag body.
E) It may iterate over arrays, collections, maps, and strings.

3. Given this fragment from a Java EE deployment descriptor:
124.
<welcome-file>beta.html</welcome-file>
125.
<welcome-file>alpha.html</welcome-file>
And this request from a browser:
http://www.sun.com/SCWCDtestApp/register
Which statement is correct, when the container receives this request?

A) The container first looks for a servlet mapping in the deployment descriptor.
B) The container first looks in the register directory for alpha.html.
C) The container first looks in the register directory for beta.html.
D) This deployment descriptor is NOT valid.

4. Given the security constraint in a DD:
101.
<security-constraint>
102.
<web-resource-collection>
103.
<web-resource-name>Foo</web-resource-name>
104.
<url-pattern>/Bar/Baz/*</url-pattern>
105.
<http-method>POST</http-method>
106.
</web-resource-collection>
107.
<auth-constraint>
108.
<role-name>DEVELOPER</role-name>
109.
</auth-constraint>
110.
</security-constraint>
And given that "MANAGER" is a valid role-name, which four are true for this security constraint? (Choose four.)

A) MANAGER can do a POST on any resource in the /Bar/Baz directory.
B) MANAGER can do a TRACE on any resource in the /Bar/Baz directory.
C) DEVELOPER can do only a POST on resources in the /Bar/Baz directory.
D) DEVELOPER can do a TRACE on any resource in the /Bar/Baz directory.
E) MANAGER can do a GET on resources in the /Bar/Baz directory.
F) DEVELOPER can do a GET on resources in the /Bar/Baz directory.

5. Given: http://com.example/myServlet.jsp?num=one&num=two&num=three Which two produce the output "one, two and three"? (Choose two.)

A) ${parameterValues["num"]["0"]}, ${parameterValues["num"]["1"]} and ${parameterValues["num"]["2"]}
B) ${param.num[0]}, ${param.num[1]} and ${param.num[2]}
C) ${parameterValues.num[0]}, ${parameterValues.num[1]} and ${parameterValues.num[2]}
D) ${paramValues[0],[1] and [2]}
E) ${param.num[0],[1] and [2]}
F) ${paramValues.num[0]}, ${paramValues.num[1]} and ${paramValues.num[2]}
G) ${paramValues["num"][0]}, ${paramValues["num"][1]} and ${paramValues["num"][2]}

Solutions: