Purchase Oracle : 1Z0-858 Exam Materials and then pass exam easily
Updated: Sep 05, 2026
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Oracle 1Z0-858 Exam Overview:
| Certification Vendor: | Oracle |
|---|---|
| Exam Name: | Java Enterprise Edition 5 Web Component Developer Certified Professional Exam |
| Exam Number: | 1Z0-858 |
| Available Languages: | English |
| Related Certifications: | Oracle Certified Professional, Java EE Web Component Developer |
| Exam Format: | Multiple Choice, Multiple Response |
| Exam Duration: | 120 minutes |
| Real Exam Qty: | 60 |
| Certificate Validity Period: | Lifetime (legacy certification; subject to Oracle policy changes) |
| Passing Score: | 66% |
| Exam Price: | USD 245 (may vary by region) |
| Sample Questions: | Oracle 1Z0-858 Sample Questions |
| Exam Way: | Computer-based online or testing center exam |
| Pre Condition: | Basic knowledge of Java programming and familiarity with Java EE fundamentals is recommended |
| Official Syllabus URL: | https://education.oracle.com/ |
Oracle 1Z0-858 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Servlet Technology | - Session management
|
| Expression Language (EL) | - EL syntax and usage
|
| Web Application Security | - Authentication and authorization
|
| Deployment and Configuration | - Web application packaging
|
| Web Application Architecture | - Java EE Web tier overview
|
| JavaServer Pages (JSP) | - JSP fundamentals
|
Oracle Java Enterprise Edition 5 Web Component Developer Certified Professional Sample Questions:
After a merger with another small business, your company has inherited a legacy WAR file but the original source files were lost. After reading the documentation of that web application, you discover that the WAR file contains a useful tag library that you want to reuse in your own webapp packaged as a WAR file.
What do you need to do to reuse this tag library?
- A. Unpack the legacy WAR file, move the TLD file to the META-INF directory, repackage the whole thing as a JAR file, and place that JAR file in your webapp's library directory.
- B. Unpack the legacy WAR file, move the TLD file to the META-INF directory, move the class files to the top-level directory, repackage the whole thing as a JAR file, and place that JAR file in your webapp's library directory.
- C. Unpack the legacy WAR file, move the TLD file to the META-INF directory, move the class files to the top-level directory, repackage the WAR, and place that WAR file in your webapp's WEB-INF directory.
- D. Simply rename the legacy WAR file as a JAR file and place it in your webapp's library directory.
DRAG DROP
Click the Task button.
Place the corresponding resources and directories in the proper web application deployment structure.
Which three are true about TLD files? (Choose three.)
- A. The web container can automatically extend the tag library map described in a web.xml file by including entries extracted from the web application's TLD files.
- B. The web container recognizes TLD files placed in any subdirectory of WEB-INF.
- C. The web container can generate an implicit TLD file for a tag library comprised of both simple tag handlers and tag files.
- D. When deployed inside a JAR file, TLD files must be in the META-INF directory, or a subdirectory of it.
- E. A tag handler's attribute must be included in the TLD file only if the attribute can accept request-time expressions.
Given in a single JSP page:
<%@ taglib prefix='java' uri='myTags' %>
<%@ taglib prefix='JAVA' uri='moreTags' %>
Which two are true? (Choose two.)
- A. For the tag usage <java:tag1/>, the tag1 must be unique in the union of tag names in 'myTags' and 'moreTags'.
- B. A translation error occurs because the prefix is considered identical by the web container.
- C. The URI 'myTags' must be properly mapped to a TLD file by the web container.
- D. The prefix 'java' is reserved.
For a given ServletResponse response, which two retrieve an object for writing text data?
(Choose two.)
- A. response.getOutputWriter()
- B. response.getOutputStream()
- C. response.getWriter(Writer.OUTPUT_TEXT)
- D. response.getWriter().getOutputStream()
- E. response.getWriter()
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