Java Enterprise Edition 5 Web Component Developer Certified Professional Exam: 1Z0-858 Exam
"Java Enterprise Edition 5 Web Component Developer Certified Professional Exam", also known as 1Z0-858 exam, is a Oracle Certification. With the complete collection of questions and answers, ExamcollectionPass has assembled to take you through 276 Q&As to your 1Z0-858 Exam preparation. In the 1Z0-858 exam resources, you will cover every field and category in Java Technology Certification helping to ready you for your successful Oracle Certification.
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- Exam Code: 1Z0-858
- Exam Name: Java Enterprise Edition 5 Web Component Developer Certified Professional Exam
- Certification Provider: Oracle
- Corresponding Certification: Java Technology
- Updated: Sep 15, 2026
- No. of Questions: 276 Questions & Answers with Testing Engine
- Download Limit: Unlimited
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Oracle 1Z0-858 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: JavaServer Pages (JSP) | - JSP syntax and lifecycle - Custom tags and JSTL - Expression Language (EL) |
| Topic 2: Web Application Security | - Authentication and authorization - Declarative security |
| Topic 3: Web Application Design and Architecture | - Deployment descriptors (web.xml) - Model-View-Controller (MVC) pattern |
| Topic 4: Web Application Deployment | - Packaging and deployment of WAR files - Application server configuration |
| Topic 5: Servlet Technology | - Servlet lifecycle and architecture - Filters and listeners - Request and response handling - Session management |
Oracle Java Enterprise Edition 5 Web Component Developer Certified Professional Sample Questions:
A developer is designing a multi-tier web application and discovers a need to log each incoming client request. Which two patterns, taken independently, provide a solution for this problem? (Choose two.)
- A. Intercepting Filter
- B. Front Controller
- C. Business Delegate
- D. Model-View-Controller
- E. Service Locator
- F. Transfer Object
Correct Answer: A,B 🗳️
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 a subdirectory of META-INF/tld/ directory of the JAR file.
- C. The TLD must be located within a subdirectory of WEB-INF directory of the JAR file.
- D. The TLD must be located within a subdirectory of META-INF directory of the JAR file.
- E. The TLD must be located within the META-INF directory of the JAR file.
- F. The TLD must be located within the META-INF/tld/ directory of the JAR file.
Correct Answer: D,E 🗳️
Given the JSP code:
10.<html>
11.<body>
12.<jsp:useBean id='customer' class='com.example.Customer' />
13.Hello, ${customer.title} ${customer.lastName}, welcome
14.to Squeaky Beans, Inc.
15.</body>
16.</html>
Which three types of JSP code are used? (Choose three.)
- A. expression language
- B. standard action
- C. template text
- D. Java code
- E. scripting code
Correct Answer: A,B,C 🗳️
A developer has created a special servlet that is responsible for generating XML content that is sent to a data warehousing subsystem. This subsystem uses HTTP to request these large data files, which are compressed by the servlet to save internal network bandwidth. The developer has received a request from management to create several more of these data warehousing servlets. The developer is about to copy and paste the compression code into each new servlet. Which design pattern can consolidate this compression code to be used by all of the data warehousing servlets?
- A. Intercepting Filter
- B. Composite Facade
- C. Transfer Object
- D. Facade
- E. View Helper
Correct Answer: A 🗳️
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>
<tld-uri>dbtags</tld-uri>
<tld-location>/WEB-INF/tlds/dbtags.tld</tld-location>
</tld> - C. <taglib>
<taglib-uri>dbtags</taglib-uri>
<taglib-location>
/WEB-INF/tlds/dbtags.tld
</taglib-location>
</taglib> - D. <tld>
<uri>dbtags</uri>
<location>/WEB-INF/tlds/dbtags.tld</location>
</tld>
Correct Answer: C 🗳️
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