Study with 1Z0-858 Actual Test Questions
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Updated: Oct 28, 2026
No. of Questions: 276 Questions & Answers with Testing Engine
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Oracle 1Z0-858 Exam Overview:
| Certification Vendor: | Oracle |
|---|---|
| Exam Name: | Oracle Java Enterprise Edition 5 Web Component Developer Certified Professional Exam |
| Exam Number: | 1Z0-858 |
| Certificate Validity Period: | Non-expiring (legacy Oracle certification policy) |
| Exam Price: | USD 245 (historical, may vary by region) |
| Related Certifications: | Oracle Certified Associate, Java SE Oracle Certified Professional, Java EE 5 Developer |
| Real Exam Qty: | Approximately 60 |
| Passing Score: | Not publicly disclosed (historically around 70%) |
| Available Languages: | English |
| Exam Format: | Multiple Choice, Scenario-based Questions |
| Exam Duration: | 150 minutes |
| Recommended Training: | Oracle University Java EE Web Component Training |
| Exam Registration: | Pearson VUE Oracle Exams Oracle Certification Registration |
| Sample Questions: | Oracle 1Z0-858 Sample Questions |
| Exam Way: | Pearson VUE test center or online proctored exam (depending on availability) |
| Pre Condition: | Basic knowledge of Java SE programming is strongly recommended. |
| Official Syllabus URL: | https://education.oracle.com |
Oracle 1Z0-858 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Web Application Security | - Authentication and authorization - Declarative security |
| Web Application Design and Architecture | - Model-View-Controller (MVC) pattern - Deployment descriptors (web.xml) |
| Web Application Deployment | - Packaging and deployment of WAR files - Application server configuration |
| JavaServer Pages (JSP) | - JSP syntax and lifecycle - Custom tags and JSTL - Expression Language (EL) |
| Servlet Technology | - Session management - Request and response handling - Servlet lifecycle and architecture - Filters and listeners |
Oracle Java Enterprise Edition 5 Web Component Developer Certified Professional Sample Questions:
Which two are characteristics of the Front Controller pattern? (Choose two.)
- A. It promotes cleaner application partitioning and encourages reuse.
- B. It reduces maintainability due to the increased complexity of the design.
- C. It provides an initial point of contact for handling all related requests.
- D. It provides loosely coupled handlers that can be combined in various permutations.
- E. It simplifies remote interfaces to distributed objects.
Correct Answer: A,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. Composite Facade
- B. View Helper
- C. Facade
- D. Transfer Object
- E. Intercepting Filter
Correct Answer: E 🗳️
Which two JSTL URL-related tags perform URL rewriting? (Choose two.)
- A. url
- B. import
- C. param
- D. redirect
- E. link
Correct Answer: A,D 🗳️
Click the Exhibit button. 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> ...
31.
<filter-mapping>
32.
<filter-name>ParamAdder</filter-name>
33.
<servlet-name>Destination</servlet-name>
34.
</filter-mapping> ...
55.
<servlet-mapping>
56.
<servlet-name>Destination</servlet-name>
57.
<url-pattern>/dest/Destination</url-pattern>
58.
</servlet-mapping>
What is the result of a client request of the Source servlet with no query string?
- A. The output "filterAdded = addedByFilter" is written to the response stream.
- B. An exception is thrown at runtime within the service method of the Source servlet.
- C. An exception is thrown at runtime within the service method of the Destination servlet.
- D. The output "filterAdded = null" is written to the response stream.
Correct Answer: D 🗳️
DRAG DROP
Click the Task button.
Place the corresponding resources and directories in the proper web application deployment structure.
Correct Answer:
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