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

  • Exam Code: 1Z0-858
  • Exam Name: Java Enterprise Edition 5 Web Component Developer Certified Professional Exam
  • Updated: Jun 13, 2026
  • Q&As: 276 Questions and Answers

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

1. Which interface must a session attribute implement if it needs to be notified when a web container persists a session?

A) javax.servlet.http.HttpSessionActivationListener
B) javax.servlet.http.HttpSessionListener
C) javax.servlet.http.HttpSessionAttributeListener
D) javax.servlet.http.HttpSessionBindingListener


2. What is true about Java EE authentication mechanisms?

A) If your deployment descriptor correctly declares an authentication type of CLIENT_CERT, your users must have a certificate from an official source before they can use your application.
B) To use Java EE FORM authentication, you must declare two HTML files in your deployment descriptor, and you must use a predefined action in the HTML file that handles your user's login.
C) If you want your web application to support the widest possible array of browsers, and you want to perform authentication, the best choice of Java EE authentication mechanisms is DIGEST.
D) If your deployment descriptor correctly declares an authentication type of BASIC, the container automatically requests a user name and password whenever a user starts a new session.


3. You have created a web application that you license to real estate brokers. The webapp is highly customizable including the email address of the broker, which is placed on the footer of each page. This is configured as a context parameter in the deployment descriptor:
10.
<context-param>
11.
<param-name>footerEmail</param-name>
12.
<param-value>[email protected]</param-value>
13.
</context-param>
Which EL code snippet will insert this context parameter into the footer?

A) <a href='mailto:${contextParam@footerEmail}'>Contact me</a>
B) <a href='mailto:${initParam.footerEmail}'>Contact me</a>
C) <a href='mailto:${footerEmail}'>Contact me</a>
D) <a href='mailto:${initParam@footerEmail}'>Contact me</a>
E) <a href='mailto:${contextParam.footerEmail}'>Contact me</a>


4. Which path is required to be present within a WAR file?

A) /WEB-INF/web.xml
B) /WEB-INF/classes
C) /META-INF/index.xml
D) /index.html
E) /WEB-INF/index.html
F) /MANIFEST-INF
G) /classes


5. Given:
11.
<servlet>
12.
<servlet-name>catalog</servlet-name>
13.
<jsp-file>/catalogTemplate.jsp</jsp-file>
14.
<load-on-startup>10</load-on-startup>
15.
</servlet>
Which two are true? (Choose two.)

A) Line 13 is not valid for a servlet declaration.
B) Line 14 is not valid for a servlet declaration.
C) The servlet will be referenced by the name catalog in mappings.
D) One instance of the servlet will be loaded at startup.
E) Ten instances of the servlet will be loaded at startup.


Solutions:

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

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