Instantly download 1Z0-858 updated real questions

Oracle 1Z0-858 Exam Overview:

Oracle 1Z0-858 Exam Syllabus Topics:

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

Question 1

A developer for the company web site has been told that users may turn off cookie support in their browsers. What must the developer do to ensure that these customers can still use the web application?

A. The developer must provide an alternate mechanism for managing sessions and abandon the HttpSession mechanism entirely.
B. The developer must add the string ?id=<sessionid> to the end of every URL to ensure that the conversation with the browser can continue.
C. The developer must ensure that every URL is properly encoded using the appropriate URL rewriting APIs.
D. The developer can ignore this issue. Web containers are required to support automatic URL rewriting when cookies are not supported.

Question 2

DRAG DROP
Click the Task button.
Place the events in the order they occur.

Question 3

What is true about Java EE authentication mechanisms?

A. If your deployment descriptor correctly declares an authentication type of CLIENT_CERT, your users must have a certificate from an official source before they can use your application.
B. If you want your web application to support the widest possible array of browsers, and you want to perform authentication, the best choice of Java EE authentication mechanisms is DIGEST.
C. If your deployment descriptor correctly declares an authentication type of BASIC, the container automatically requests a user name and password whenever a user starts a new session.
D. To use Java EE FORM authentication, you must declare two HTML files in your deployment descriptor, and you must use a predefined action in the HTML file that handles your user's login.

Question 4

One of the use cases in your web application uses many session-scoped attributes. At the end of the use case, you want to clear out this set of attributes from the session object. Assume that this static variable holds this set of attribute names:
201.
private static final Set<String> USE_CASE_ATTRS;
202.
static {
203.
USE_CASE_ATTRS.add("customerOID");
204.
USE_CASE_ATTRS.add("custMgrBean");
205.
USE_CASE_ATTRS.add("orderOID");
206.
USE_CASE_ATTRS.add("orderMgrBean");
207.
}
Which code snippet deletes these attributes from the session object?

A. for ( String attr : USE_CASE_ATTRS ) {
session.removeAttribute(attr);
}
B. for ( String attr : USE_CASE_ATTRS ) {
session.deleteAttribute(attr);
}
C. for ( String attr : USE_CASE_ATTRS ) {
session.remove(attr);
}
D. session.removeAll(USE_CASE_ATTRS);
E. session.deleteAllAttributes(USE_CASE_ATTRS);

Question 5

Which retrieves all cookies sent in a given HttpServletRequest request?

A. request.getCookies()
B. request.getSession().getCookies()
C. request.getAttributes()
D. request.getSession().getAttributes()

Solutions: