SUN Sun Certified Web Component Developer for J2EE 5 : 310-083

310-083 real exams

Exam Code: 310-083

Exam Name: Sun Certified Web Component Developer for J2EE 5

Updated: Aug 03, 2026

Q & A: 276 Questions and Answers

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SUN 310-083 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Web Application Structure and Deployment12%- Deployment descriptor (web.xml)
- Context parameters and initialization
- WAR file structure
Topic 2: Web Application Security11%- Authentication and authorization
- Transport security
- Declarative and programmatic security
Topic 3: Session Management12%- Session attributes and listeners
- URL rewriting, cookies, SSL
- Session lifecycle and tracking
Topic 4: JSP Standard Actions and Custom Tags13%- Tag Library Descriptor
- Simple and Classic tag handlers
- Standard actions
Topic 5: Web Container Model14%- Container architecture and responsibilities
- Request dispatching
- Servlet context attributes
Topic 6: JSP Technology Model13%- Implicit objects
- JSP elements and syntax
- JSP lifecycle and translation
Topic 7: JSP Expression Language10%- EL syntax and operators
- Functions and reserved words
- Implicit variables and scope resolution
Topic 8: Servlet Technology Model15%- Servlet lifecycle
- Request and response handling
- Servlet interface and methods

SUN Sun Certified Web Component Developer for J2EE 5 Sample Questions:

1. You are building a dating service web site. Part of the form to submit a client's profile is a group of radio buttons for the person's hobbies:
20. <input type='radio' name='hobbyEnum' value='HIKING'>Hiking <br>
21. <input type='radio' name='hobbyEnum' value='SKIING'>Skiing <br>
22. <input type='radio' name='hobbyEnum' value='SCUBA'>SCUBA Diving
23. <!-- and more options -->
After the user submits this form, a confirmation screen is displayed with these hobbies listed. Assume that an application-scoped variable, hobbies, holds a map between the
Hobby enumerated type and the display name.
Which EL code snippet will display Nth element of the user's selected hobbies?

A) ${hobbies.get(paramValues.hobbyEnum[N])}
B) ${hobbies[hobbyEnum[N]}
C) ${hobbies[paramValues.hobbyEnum[N]]}
D) ${hobbies[paramValues@'hobbyEnum'@N]}
E) ${hobbies[paramValues.hobbyEnum.get(N)]}


2. Given the web application deployment descriptor elements:
1 1. <filter>
1 2. <filter-name>ParamAdder</filter-name>
1 3. <filter-class>com.example.ParamAdder</filter-class>
1 4. </filter>
...
2 4. <filter-mapping>
2 5. <filter-name>ParamAdder</filter-name>
2 6. <servlet-name>MyServlet</servlet-name>
2 7. <!-- insert element here -->
2 8. </filter-mapping>
Which element, inserted at line 27, causes the ParamAdder filter to be applied when
MyServlet is invoked by another servlet using the RequestDispatcher.include method?

A) <dispatcher>include</dispatcher>
B) <filter-condition>INCLUDE</filter-condition>
C) <filter-condition>include</filter-condition>
D) <dispatcher>INCLUDE</dispatcher>
E) <include/>


3. What is the purpose of session management?

A) To tell the web container to keep the HTTP connection alive so it can make subsequent requests without the delay of making the TCP connection.
B) To store information on the client-side between HTTP requests.
C) To manage the user's login and logout activities.
D) To store information on the server-side between HTTP requests.


4. What is true about Java EE authentication mechanisms?

A) 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.
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 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.
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.


5. All of your JSPs need to have a link that permits users to email the web master. This web application is licensed to many small businesses, each of which have a different email address for the web master. You have decided to use a context parameter that you specify in the deployment descriptor, like this:
4 2. <context-param>
4 3. <param-name>webmasterEmail</param-name>
4 4. <param-value>[email protected]</param-value>
4 5. </context-param>
Which JSP code snippet creates this email link?

A) <a href='mailto:${initParam.webmasterEmail}'>contact us</a>
B) <a href='mailto:${contextInitParam.webmasterEmail}'>contact us</a>
C) <a href='mailto:${applicationScope.webmasterEmail}'>contact us</a>
D) <a href='mailto:${contextParam.webmasterEmail}'>contact us</a>


Solutions:

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

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