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Oracle 1Z0-858 Exam Syllabus Topics:

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

1. 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) 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.

2. Your company has a corporate policy that prohibits storing a customer's credit card number in any corporate database. However, users have complained that they do NOT want to reenter their credit card number for each transaction. Your management has decided to use client-side cookies to record the user's credit card number for 120 days. Furthermore, they also want to protect this information during transit from the web browser to the web container; so the cookie must only be transmitted over HTTPS. Which code snippet creates the "creditCard" cookie and adds it to the out going response to be stored on the user's web browser?

A) 10. Cookie c = new Cookie("creditCard", usersCard);
11.
c.setHttps(true);
12.
c.setMaxAge(10368000);
13.
response.setCookie(c);
B) 10. Cookie c = new Cookie("creditCard", usersCard);
11.
c.setHttps(true);
12.
c.setAge(10368000);
13.
response.addCookie(c);
C) 10. Cookie c = new Cookie("creditCard", usersCard);
11.
c.setSecure(true);
12.
c.setAge(10368000);
13.
response.addCookie(c);
D) 10. Cookie c = new Cookie("creditCard", usersCard);
11.
c.setSecure(true);
12.
c.setAge(10368000);
13.
response.setCookie(c);
E) 10. Cookie c = new Cookie("creditCard", usersCard);
11.
c.setSecure(true);
12.
c.setMaxAge(10368000);
13.
response.addCookie(c);

3. 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:setProperty name='${order}' property='shipAddress'> <jsp:getProperty name='client' property='homeAddress' /> </c:setProperty>
B) <c:set target='${order}' property='shipAddress' value='${client.homeAddress}' />
C) <c:set var='order' property='shipAddress' value='${client.homeAddress}' />
D) <jsp:setProperty name='${order}' property='shipAddress' value='${client.homeAddress}' />
E) <c:set target='${order}' property='shipAddress'> <jsp:getProperty name='client' property='homeAddress' /> </c:set>
F) <c:set var='order' property='shipAddress'> <jsp:getProperty name='client' property='homeAddress' /> </c:store>

4. Within the web application deployment descriptor, which defines a valid JNDI environment entry?

A) <env-entry>
<env-entry-name>param/MyExampleString</env-entry-name>
<env-entry-type>java.lang.String</env-entry-type>
<env-entry-value>This is an Example</env-entry-value>
</env-entry>
B) <env-entry>
<env-entry-name>param/MyExampleString</env-entry-name>
<env-entry-type>int</env-entry-type>
<env-entry-value>10</env-entry-value>
</env-entry>
C) <env-entry>
<env-entry-name>param/MyExampleString</env-entry-name>
<env-entry-value>This is an Example</env-entry-value>
</env-entry>
D) <env-entry>
<env-entry-type>java.lang.Boolean</env-entry-type>
<env-entry-value>true</env-entry-value>
</env-entry>

5. Which two prevent a servlet from handling requests? (Choose two.)

A) The servlet's init method sets the ServletResponse's content type to null.
B) The servlet's init method returns a non-zero status.
C) The servlet's init method does NOT return within a time period defined by the servlet container.
D) The servlet's init method sets the ServletResponse's content length to 0.
E) The servlet's init method throws a ServletException.

Solutions: