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  • Exam Code: 1Z0-858
  • Exam Name: Java Enterprise Edition 5 Web Component Developer Certified Professional Exam
  • Updated: Jun 05, 2026
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Oracle Java Enterprise Edition 5 Web Component Developer Certified Professional Sample Questions:

1. Given the web application deployment descriptor elements:
11.
<filter>
12.
<filter-name>ParamAdder</filter-name>
13.
<filter-class>com.example.ParamAdder</filter-class>
14.
</filter> ...
24.
<filter-mapping>
25.
<filter-name>ParamAdder</filter-name>
26.
<servlet-name>MyServlet</servlet-name>
27.
<!-- insert element here -->
28.
</filter-mapping>
Which element, inserted at line 27, causes the ParamAdder filter to be applied when MyServlet is invoked by another servlet using the RequestDispatcher.include method?

A) <include/>
B) <filter-condition>include</filter-condition>
C) <filter-condition>INCLUDE</filter-condition>
D) <dispatcher>include</dispatcher>
E) <dispatcher>INCLUDE</dispatcher>


2. Which two about WAR files are true? (Choose two.)

A) WAR files must contain the web application deployment descriptor.
B) The web container must serve the content of any META-INF directory located in a WAR file.
C) WAR files must be located in the web application library directory.
D) The web container must allow access to resources in JARs in the web application library directory.
E) WAR files must be created by using archive tools designed specifically for that purpose.


3. You are building a web application that will be used throughout the European Union; therefore, it has significant internationalization requirements. You have been tasked to create a custom tag that generates a message using the java.text.MessageFormat class. The tag will take the resourceKey attribute and a variable number of argument attributes with the format, arg<N>. Here is an example use of this tag and its output:
<t:message resourceKey='diskFileMsg' arg0='MyDisk' arg1='1247' />
generates:
The disk "MyDisk" contains 1247 file(s).
Which Simple tag class definition accomplishes this goal of handling a variable number of tag attributes?

A) The Simple tag model does NOT support a variable number of attributes.
B) public class MessageTag extends SimpleTagSupport
implements VariableAttributes {
private Map attributes = new HashMap();
public void putAttribute(String name, Object value) {
this.attributes.put(name, value);
}
// more tag handler methods
}
C) public class MessageTag extends SimpleTagSupport
implements DynamicAttributes {
private Map attributes = new HashMap();
public void putAttribute(String name, Object value) {
this.attributes.put(name, value);
}
// more tag handler methods
}
D) public class MessageTag extends SimpleTagSupport
implements DynamicAttributes {
private Map attributes = new HashMap();
public void setDynamicAttribute(String uri, String name,
Object value) {
this.attributes.put(name, value);
}
// more tag handler methods
}
E) public class MessageTag extends SimpleTagSupport
implements VariableAttributes {
private Map attributes = new HashMap();
public void setVariableAttribute(String uri,
String name, Object value) {
this.attributes.put(name, value);
}
// more tag handler methods
}


4. Your web application uses a simple architecture in which servlets handle requests and then forward to a JSP using a request dispatcher. You need to pass information calculated in the servlet to the JSP for view generation. This information must NOT be accessible to any other servlet, JSP or session in the webapp. Which two techniques can you use to accomplish this goal? (Choose two.)

A) Add parameters to the JSP's URL when generating the request dispatcher.
B) Add attributes to the session object.
C) Use the pageContext object to add request attributes.
D) Add parameters to the request object.
E) Add attributes on the request object.


5. You want to create a valid directory structure for your Java EE web application, and your application uses tag files and a JAR file. Which three must be located directly in your WEBINF directory (NOT in a subdirectory of WEB-INF)? (Choose three.)

A) A directory called classes
B) A directory called TLDs
C) A directory called META-INF
D) A directory called lib
E) The JAR file
F) A directory called tags


Solutions:

Question # 1
Answer: E
Question # 2
Answer: A,D
Question # 3
Answer: D
Question # 4
Answer: A,E
Question # 5
Answer: A,D,F

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