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Oracle 1Z0-858 Exam Syllabus Topics:

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

1. Which method must be used to encode a URL passed as an argument to HttpServletResponse.sendRedirect when using URL rewriting for session tracking?

A) HttpServletResponse.encodeRedirectURL
B) ServletResponse.encodeRedirectURL
C) ServletResponse.encodeURL
D) HttpServletResponse.encodeURL

2. A developer is designing a web application which extensively uses EJBs and JMS. The developer finds that there is a lot of duplicated code to build the JNDI contexts to access the beans and queues. Further, because of the complexity, there are numerous errors in the code. Which J2EE design pattern provides a solution for this problem?

A) Business Delegate
B) Data Access Object
C) Transfer Object
D) Command
E) Service Locator
F) Session Facade

3. The sl:shoppingList and sl:item tags output a shopping list to the response and are used as follows:
11.
<sl:shoppingList>
12.
<sl:item name="Bread" />
13.
<sl:item name="Milk" />
14.
<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) ShoppingListTag can find the child instances of ItemSimpleTag by calling super.getChildren() and casting each to an ItemSimpleTag.
B) ItemSimpleTag can find the enclosing instance of ShoppingListTag by calling findAncestorWithClass() on the PageContext and casting the result to ShoppingListTag.
C) 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.
D) ItemSimpleTag can find the enclosing instance of ShoppingListTag by calling getParent() and casting the result to ShoppingListTag.
E) ShoppingListTag can find the child instances of ItemSimpleTag by calling getChildren() on the PageContext and casting each to an ItemSimpleTag.

4. Which implicit object is used in a JSP page to retrieve values associated with <contextparam> entries in the deployment descriptor?

A) request
B) session
C) config
D) application

5. Which two security mechanisms can be directed through a sub-element of the <user-dataconstraint> element in a web application deployment descriptor? (Choose two.)

A) authorization
B) authentication
C) confidentiality
D) data integrity

Solutions: