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Oracle 1Z0-858 Exam Syllabus Topics:

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

1. You are developing several tag libraries that will be sold for development of third-party web applications. You are about to publish the first three libraries as JAR files: container-tags.jar, advanced-html-form-tags.jar, and basic-html-form-tags.jar. Which two techniques are appropriate for packaging the TLD files for these tag libraries? (Choose two.)

A) The TLD must be located within the WEB-INF directory of the JAR file.
B) The TLD must be located within the META-INF/tld/ directory of the JAR file.
C) The TLD must be located within the META-INF directory of the JAR file.
D) The TLD must be located within a subdirectory of META-INF/tld/ directory of the JAR file.
E) The TLD must be located within a subdirectory of WEB-INF directory of the JAR file.
F) The TLD must be located within a subdirectory of META-INF directory of the JAR file.

2. Click the Exhibit button.
A servlet sets a session-scoped attribute product with an instance of com.example.Product and forwards to a JSP.
Which two output the name of the product in the response? (Choose two.)

A) ${product.name}
B) <jsp:useBean id="com.example.Product" /> <%= product.getName() %>
C) <jsp:getProperty name="product" property="name" />
D) <jsp:getProperty name="product" class="com.example.Product" property="name" />
E) <jsp:useBean id="product" type="com.example.Product">
<%= product.getName() %>
</jsp:useBean>

3. Given in a single JSP page:
<%@ taglib prefix='java' uri='myTags' %>
<%@ taglib prefix='JAVA' uri='moreTags' %>
Which two are true? (Choose two.)

A) The URI 'myTags' must be properly mapped to a TLD file by the web container.
B) The prefix 'java' is reserved.
C) For the tag usage <java:tag1/>, the tag1 must be unique in the union of tag names in 'myTags' and 'moreTags'.
D) A translation error occurs because the prefix is considered identical by the web container.

4. A web component accesses a local EJB session bean with a component interface of com.example.Account with a home interface of com.example.AccountHome and a JNDI reference of ejb/Account. Which makes the local EJB component accessible to the web components in the web application deployment descriptor?

A) <resource-ref>
<ejb-ref-name>ejb/Account</ejb-ref-name>
<ejb-ref-type>Session</ejb-ref-type>
<local-home>com.example.AccountHome</local-home>
<local>com.example.Account</local> </resource-ref>
B) <ejb-local-ref>
<ejb-ref-name>ejb/Account</ejb-ref-name>
<ejb-ref-type>Session</ejb-ref-type>
<local-home>com.example.AccountHome</local-home>
<local>com.example.Account</local>
</ejb-local-ref>
C) <ejb-remote-ref>
<ejb-ref-name>ejb/Account</ejb-ref-name>
<ejb-ref-type>Session</ejb-ref-type>
<local-home>com.example.AccountHome</local-home>
<local>com.example.Account</local>
</ejb-remote-ref>
D) <env-ref>
<ejb-ref-name>ejb/Account</ejb-ref-name>
<ejb-ref-type>Session</ejb-ref-type>
<local-home>com.example.AccountHome</local-home>
<local>com.example.Account</local>
</env-ref>

5. Click the Exhibit button.
The resource requested by the RequestDispatcher is available and implemented by the DestinationServlet.
What is the result?

A) An exception is thrown at runtime by DestinationServlet.
B) Both "hello from source" and "hello from dest" appear in the response output stream.
C) An exception is thrown at runtime by SourceServlet.
D) Only "hello from dest" appears in the response output stream.

Solutions: