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

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

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

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

4. Which activity supports the data integrity requirements of an application?

A) using HTTP Basic authentication
B) using an LDAP security realm
C) using forms-based authentication
D) using HTTPS as a protocol

5. 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.getResourceAsStream(ServletRequest.REQUEST);
C) request.getResourceAsStream();
D) request.getReader();
E) request.getInputStream();

Solutions: