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SUN 310-083 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: JSP Expression Language | 10% | - Implicit variables and scope resolution - EL syntax and operators - Functions and reserved words |
| Topic 2: Web Application Security | 11% | - Declarative and programmatic security - Authentication and authorization - Transport security |
| Topic 3: JSP Standard Actions and Custom Tags | 13% | - Standard actions - Tag Library Descriptor - Simple and Classic tag handlers |
| Topic 4: JSP Technology Model | 13% | - Implicit objects - JSP lifecycle and translation - JSP elements and syntax |
| Topic 5: Servlet Technology Model | 15% | - Request and response handling - Servlet interface and methods - Servlet lifecycle |
| Topic 6: Web Application Structure and Deployment | 12% | - Context parameters and initialization - Deployment descriptor (web.xml) - WAR file structure |
| Topic 7: Session Management | 12% | - URL rewriting, cookies, SSL - Session attributes and listeners - Session lifecycle and tracking |
| Topic 8: Web Container Model | 14% | - Servlet context attributes - Request dispatching - Container architecture and responsibilities |
SUN Sun Certified Web Component Developer for J2EE 5 Sample Questions:
Given this fragment from a Java EE deployment descriptor:
3 41. <error-page>
3 42. <exception-type>java.lang.Throwable</exception-type>
3 43. <location>/mainError.jsp</location>
3 44. </error-page>
3 45. <error-page>
3 46. <exception-type>java.lang.ClassCastException</exception-type>
3 47. <location>/castError.jsp</location>
3 48. </error-page>
If the web application associated with the fragment above throws a ClassCastException.
Which statement is true?
- A. The container invokes mainError.jsp.
- B. Neither mainError.jsp nor castError.jsp is invoked.
- C. The container invokes castError.jsp.
- D. The deployment descriptor is invalid.
Correct Answer: C 🗳️
Which statement is true about web container session management?
- A. The JSESSIONID cookie is stored permanently on the client so that a user may return to the web application and the web container will rejoin that session.
- B. To activate URL rewriting, the developer must use the
HttpServletResponse.setURLRewriting method. - C. If the web application uses HTTPS, then the web container may use the data on the
HTTPS request stream to identify the client. - D. Access to session-scoped attributes is guaranteed to be thread-safe by the web container.
Correct Answer: C 🗳️
In a JSP-centric shopping cart application, you need to move a client's home address of the Customer object into the shipping address of the Order object. The address data is stored in a value object class called Address with properties for: street address, city, province, country, and postal code. Which two JSP code snippets can be used to accomplish this goal? (Choose two.)
- A. <c:set target='${order}' property='shipAddress'
value='${client.homeAddress}' /> - B. <jsp:setProperty name='${order}' property='shipAddress'
value='${client.homeAddress}' /> - C. <c:set var='order' property='shipAddress'>
< jsp:getProperty name='client' property='homeAddress' />
< /c:store> - D. <c:set var='order' property='shipAddress'
value='${client.homeAddress}' /> - E. <c:setProperty name='${order}' property='shipAddress'>
< jsp:getProperty name='client' property='homeAddress' />
< /c:setProperty> - F. <c:set target='${order}' property='shipAddress'>
< jsp:getProperty name='client' property='homeAddress' />
< /c:set>
Correct Answer: A,F 🗳️
You need to create a servlet filter that stores all request headers to a database for all requests to the web application's home page "/index.jsp". Which HttpServletRequest method allows you to retrieve all of the request headers?
- A. java.util.Iterator getRequestHeaders()
- B. String[] getRequestHeaders()
- C. java.util.Enumeration getRequestHeaders()
- D. String[] getHeaderNames()
- E. java.util.Enumeration getHeaderNames()
- F. java.util.Iterator getHeaderNames()
Correct Answer: E 🗳️
The sl:shoppingList and sl:item tags output a shopping list to the response and are used as follows:
1 1. <sl:shoppingList>
1 2. <sl:item name="Bread" />
1 3. <sl:item name="Milk" />
1 4. <sl:item name="Eggs" />
15. </sl:shoppingList>
The tag handler for sl:shoppingList is ShoppingListTag and the tag handler for sl:item is
ItemSimpleTag.
ShoppingListTag extends BodyTagSupport and ItemSimpleTag extends
SimpleTagSupport.
Which is true?
- A. It is impossible for ItemSimpleTag and ShoppingListTag to find each other in a tag hierarchy because one is a Simple tag and the other is a Classic tag.
- B. ShoppingListTag can find the child instances of ItemSimpleTag by calling getChildren() on the PageContext and casting each to an ItemSimpleTag.
- C. ItemSimpleTag can find the enclosing instance of ShoppingListTag by calling getParent() and casting the result to ShoppingListTag.
- D. ShoppingListTag can find the child instances of ItemSimpleTag by calling super.getChildren() and casting each to an ItemSimpleTag.
- E. ItemSimpleTag can find the enclosing instance of ShoppingListTag by calling findAncestorWithClass() on the PageContext and casting the result to ShoppingListTag.
Correct Answer: C 🗳️
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