Oracle Java Enterprise Edition 5 Web Component Developer Certified Professional : 1Z0-858 valid dumps

1Z0-858 real exams

Exam Code: 1Z0-858

Exam Name: Java Enterprise Edition 5 Web Component Developer Certified Professional Exam

Updated: Nov 13, 2024

Q & A: 276 Questions and Answers

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

1. Which three are described in the standard web application deployment descriptor? (Choose three.)

A) session configuration
B) ServletContext initialization parameters
C) context root for the application
D) servlet instance pool configuration
E) web container default port bindings
F) MIME type mappings


2. Servlet A forwarded a request to servlet B using the forward method of RequestDispatcher. What attribute in B's request object contains the URI of the original request received by servlet A?

A) javax.servlet.forward.request_uri
B) javax.servlet.request_dispatcher.request_uri
C) javax.servlet.forward.REQUEST_URI
D) javax.servlet.request_dispatcher.REQUEST_URI
E) REQUEST_URI


3. You need to retrieve the username cookie from an HTTP request. If this cookie does NOT exist, then the c variable will be null. Which code snippet must be used to retrieve this
cookie object?

A) 10. Cookie c = null;
11.
for ( Enumeration e = request.getCookies();
12.
e.hasMoreElements(); ) {
13.
Cookie o = (Cookie) e.nextElement();
14.
if ( o.getName().equals("username") ) {
15.
c = o;
16.
break;
17.
}
18.
}
B) 10. Cookie c = null;
11.
Cookie[] cookies = request.getCookies();
12.
for ( int i = 0; i < cookies.length; i++ ) {
13.
if ( cookies[i].getName().equals("username") ) {
14.
c = cookies[i];
15.
break;
16.
}
17.
}
C) 10. Cookie c = null;
11.
for ( Iterator i = request.getCookies();
12.
i.hasNext(); ) {
13.
Cookie o = (Cookie) i.next();
14.
if ( o.getName().equals("username") ) {
15.
c = o;
16.
break;
17.
}
18.
}
D) 10. Cookie c = request.getCookie("username");


4. A web browser need NOT always perform a complete request for a particular page that it suspects might NOT have changed. The HTTP specification provides a mechanism for the browser to retrieve only a partial response from the web server; this response includes information, such as the Last-Modified date but NOT the body of the page. Which HTTP method will the browser use to retrieve such a partial response?

A) GET
B) TRACE
C) HEAD
D) ASK
E) OPTIONS
F) SEND


5. Which is a benefit of precompiling a JSP page?

A) It avoids execution of the _jspService method on the first request.
B) It avoids initialization on the first request.
C) It provides better performance on the first request for the JSP page.
D) It provides the ability to debug runtime errors in the application.


Solutions:

Question # 1
Answer: A,B,F
Question # 2
Answer: A
Question # 3
Answer: B
Question # 4
Answer: C
Question # 5
Answer: C

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