Oracle 1Z0-858

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Online 1Z0-858 Test Engine supports Windows / Mac / Android / iOS, etc., because it is the software based on WEB browser.

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

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

2. A developer is designing a web application that must support multiple interfaces, including:
an XML web service for B2B HTML for web-based clients WML for wireless customers
Which design pattern provides a solution for this problem?

A) Session Facade
B) Data Access Object
C) Business Delegate
D) Model-View-Controller
E) Chain of Responsibility

3. Given:
10.
public void service(ServletRequest request,
11.
ServletResponse response) {
12.
ServletInputStream sis =
13.
// insert code here
14.
}
Which retrieves the binary input stream on line 13?

A) request.getWriter();
B) request.getInputStream();
C) request.getResourceAsStream(ServletRequest.REQUEST);
D) request.getReader();
E) request.getResourceAsStream();

4. A developer chooses to avoid using SingleThreadModel but wants to ensure that data is updated in a thread-safe manner. Which two can support this design goal? (Choose two.)

A) Store the data in an instance variable.
B) Store the data in the ServletContext object.
C) Store the data in a local variable.
D) Store the data in the ServletRequest object.
E) Store the data in the HttpSession object.

5. DRAG DROP
Click the Task button.
Place the XML elements in the web application deployment descriptor solution to configure a servlet context event listener named com.example.MyListener.

Solutions: