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Oracle 1Z0-858 Exam Overview:

Oracle 1Z0-858 Exam Syllabus Topics:

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

1. Which two are true regarding a web application class loader? (Choose two.)

A) A web application may override the web container's implementation classes.
B) Resources in the WAR class directory or in any of the JAR files within the library directory CANNOT be accessed using the J2SE semantics of getResource.
C) Resources in the WAR class directory or in any of the JAR files within the library directory may be accessed using the J2SE semantics of getResource.
D) A web application class loader may NOT override any classes in the java.* and javax.* namespaces.
E) A web application running in a J2EE product may override classes in the javax.* namespace.

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

3. Given:
3.class MyServlet extends HttpServlet {
4.public void doPut(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
5.// servlet code here ...
26.
}
27.
}
If the DD contains a single security constraint associated with MyServlet and its only <httpmethod> tags and <auth-constraint> tags are:
<http-method>GET</http-method>
<http-method>PUT</http-method>
<auth-constraint>Admin</auth-constraint>
Which four requests would be allowed by the container? (Choose four.)

A) A user whose role is Member can perform a GET.
B) A user whose role is Admin can perform a POST.
C) A user whose role is Member can perform a PUT.
D) A user whose role is Member can perform a POST.
E) A user whose role is Admin can perform a GET.
F) A user whose role is Admin can perform a PUT.

4. Given:
11.
<% java.util.Map map = new java.util.HashMap();
12.
request.setAttribute("map", map);
13.
map.put("a", "b");
14.
map.put("b", "c");
15.
map.put("c", "d"); %>
16.
<%-- insert code here --%>
Which three EL expressions, inserted at line 16, are valid and evaluate to "d"? (Choose three.)

A) ${map[map.b]}
B) ${map.c}
C) ${map.(map.b)}
D) ${map[c]}
E) ${map["c"]}
F) ${map.map.b}

5. Given an HttpServletRequest request and HttpServletResponse response, which sets a cookie "username" with the value "joe" in a servlet?

A) request.addCookie("username", "joe")
B) request.addCookie(new Cookie("username", "joe"))
C) request.addHeader(new Cookie("username", "joe"))
D) response.addHeader(new Cookie("username", "joe"))
E) response.addCookie(new Cookie("username", "joe"))
F) request.setCookie("username", "joe")
G) response.addCookie("username", "joe")

Solutions: