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

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Oracle 1Z0-858 Exam Syllabus Topics:

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

1. Click the Exhibit button.
Assume the product attribute does NOT yet exist in any scope.
Which two create an instance of com.example.Product and initialize the name and price
properties to the name and price request parameters? (Choose two.)

A) <jsp:useBean id="product" class="com.example.Product" />
<% product.setName( request.getParameter( "name" ) ); %>
<% product.setPrice( request.getParameter( "price" ) ); %>
B) <jsp:useBean id="product" class="com.example.Product" />
<jsp:setProperty name="product" property="*" />
C) <jsp:useBean id="product" class="com.example.Product">
<jsp:setProperty name="product" property="name"
value="${name}" />
<jsp:setProperty name="product" property="price"
value="${price}" />
</jsp:useBean>
D) <jsp:useBean id="product" class="com.example.Product" />
<jsp:setProperty name="product" property="name"
value="${param.name}" />
<jsp:setProperty name="product" property="price"
value="${param.price}" />

2. A developer has created a special servlet that is responsible for generating XML content that is sent to a data warehousing subsystem. This subsystem uses HTTP to request these large data files, which are compressed by the servlet to save internal network bandwidth. The developer has received a request from management to create several more of these data warehousing servlets. The developer is about to copy and paste the compression code into each new servlet. Which design pattern can consolidate this compression code to be used by all of the data warehousing servlets?

A) Facade
B) View Helper
C) Intercepting Filter
D) Composite Facade
E) Transfer Object

3. A developer has used this code within a servlet:
62.
if(request.isUserInRole("vip")) {
63.
// VIP-related logic here
64.
}
What else must the developer do to ensure that the intended security goal is achieved?

A) create a user called vip in the security realm
B) define a security-role named vip in the deployment descriptor
C) declare a security-role-ref for vip in the deployment descriptor
D) define a group within the security realm and call it vip

4. You need to create a JSP that generates some JavaScript code to populate an array of strings used on the client-side. Which JSP code snippet will create this array?

A) MY_ARRAY = new Array();
<% for ( int i = 0; i < serverArray.length; i++ ) { %> MY_ARRAY[<%= i %>] = '<%= serverArray[i] %>'; <% } %>
B) MY_ARRAY = new Array();
<% for ( int i = 0; i < serverArray.length; i++ ) { %>
MY_ARRAY[${i}] = '${serverArray[i]}';
<% } %>
C) MY_ARRAY = new Array();
<% for ( int i = 0; i < serverArray.length; i++ ) {
MY_ARRAY[<%= i %>] = '<%= serverArray[i] %>';
} %>
D) MY_ARRAY = new Array();
<% for ( int i = 0; i < serverArray.length; i++ ) {
MY_ARRAY[${i}] = '${serverArray[i]}';
} %>

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

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

Solutions: