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

1Z0-858 Exam Questions
  • Exam Code: 1Z0-858
  • Exam Name: Java Enterprise Edition 5 Web Component Developer Certified Professional Exam
  • Updated: Jul 27, 2026
  • Q & A: 276 Questions and Answers
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Oracle 1Z0-858 Exam Syllabus Topics:

SectionObjectives
Topic 1: Servlet Technology- Session management
- Filters and listeners
- Servlet lifecycle and architecture
- Request and response handling
Topic 2: Web Application Design and Architecture- Deployment descriptors (web.xml)
- Model-View-Controller (MVC) pattern
Topic 3: Web Application Security- Authentication and authorization
- Declarative security
Topic 4: Web Application Deployment- Application server configuration
- Packaging and deployment of WAR files
Topic 5: JavaServer Pages (JSP)- Custom tags and JSTL
- JSP syntax and lifecycle
- Expression Language (EL)

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

1. You have built a collection of custom tags for your web application. The TLD file is located in the file: /WEB-INF/myTags.xml. You refer to these tags in your JSPs using the symbolic name: myTags. Which deployment descriptor element must you use to make this link between the symbolic name and the TLD file name?

A) <taglib>
<name>myTags</name>
<location>/WEB-INF/myTags.xml</location>
</taglib>
B) <tags>
<name>myTags</name>
<location>/WEB-INF/myTags.xml</location>
</tags>
C) <tags>
<tags-uri>myTags</taglib-uri>
<tags-location>/WEB-INF/myTags.xml</tags-location>
</tags>
D) <taglib>
<taglib-uri>myTags</taglib-uri>
<taglib-location>/WEB-INF/myTags.xml</taglib-location>
</taglib>


2. You are building a dating web site. The client's date of birth is collected along with lots of other information. The Person class has a derived method, getAge():int, which returns the person's age calculated from the date of birth and today's date. In one of your JSPs you need to print a special message to clients within the age group of 25 through 35. Which two EL code snippets will return true for this condition? (Choose two.)

A) ${client.age le 35 and client.age ge 25}
B) ${not client.age > 35 && client.age < 25}
C) ${client.age <= 35 && client.age >= 25}
D) ${client.age between 25 and 35}
E) ${client.age between [25,35]}
F) ${client.age in [25,35]}


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


4. Given a web application in which the request parameter productID contains a product identifier. Which two EL expressions evaluate the value of the productID? (Choose two.)

A) ${pageContext.request.productID}
B) ${param.productID}
C) ${productID}
D) ${params.productID}
E) ${paramValues.productID}
F) ${paramValues.productID[0]}
G) ${params.productID[1]}


5. Click the Exhibit button.
Assuming the tag library in the exhibit is imported with the prefix forum, which custom tag invocation produces a translation error in a JSP page?

A) <forum:message from="My Name" subject="My Subject" />
B) <forum:message from="My Name" subject="My Subject">
<%= request.getParameter( "body" ) %>
</forum:message>
C) <forum:message from="My Name" subject="${param.subject}">
${param.body}
</forum:message>
D) <forum:message subject="My Subject">
My message body.
</forum:message>
E) <forum:message from="My Name"
subject="<%= request.getParameter( "subject" ) %>">
My message body.
</forum:message>


Solutions:

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

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