Oracle
Exam Name: Java EE 6 Web Component Developer Certified Expert Exam
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Question: 1
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Given the element from the web application
deployment descriptor:
<jsp – property – group>
<url – pattern>/main/page1.jsp</url
– pattern>
<scripting –
invalid>true</scripting – invalid>
</jsp—property—group>
And given that /main/page1.jsp contains:
<%
int i =
12; %>
<b> <%= i %> </b>
What is the result?
A. <b> <b>
B. <b> l2 </b>
C. The JSP fails to execute.
D. <% int i
= 12 %>
<b> <%= i %
> < b>
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Answer: C
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Question: 2
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A web application allows the HTML title
banner to be set using a context initialization parameter called titlestr.
Which two properly set the title in the scenario? (Choose two)
A. <title> $ {titlestr}
</title>
B. <title> $
{initparam.titlestr}</title>
C. <title> $ {param [0]. titlestr}
</title>
D. <title> $ {paramValues.titleStr}
</title>
E. <title> $ {initParam [‘titleStr’]
} </title>
F. <title> $
{servletParams.titleStr} </title>
G. <title> $ {request.get
(“titleStr”) } </title>
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Answer: B, E
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Question: 3
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Given:
11. <%
12. request.setAttribute
(“vals”, new String[] {“1”, “2”, “3”, “4”});
13. request.setAttribute
(“index”, “2”);
14. %>
15. <% - - insert code here - - %>
Which three EL expressions, inserted at
line 15, are valid and evaluate to “3”? (Choose three)
A. ${vals.2}
B. ${vals [“2”] }
C. ${vals.index}
D. ${vals[index] }
E. ${vals} [index]
F. ${vals. (vals.index) }
G. ${vals [vals[index-1]] }
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Answer: B, D, G
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Question: 4
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Given:
Which three EL expressions, inserted at
line 16, are valid and evaluate to “d”? (Choose three)
A. ${map.c}
B. ${map.[c]}
C. ${map.[“c”]}
D. ${map.map.b}
E. ${map.[map.b]}
F. ${map. (map.b)}
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Answer: A, C, E
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Question: 5
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You are building a dating service web
site. Part of the form to submit a client's profile is a group of radio buttons
for the person's hobbies:
20. <input type = ‘radio’ name = ‘hobbyEnum’ value =
‘HIKING’> Hiking <br>
21. <input type = ‘radio’ name = ‘hobbyEnum’ value =
‘SKING’> Sking <br>
22. <input type = ‘radio’ name = ‘hobbyEnum’ value =
‘SCUBA’> SCUBA <br>
23. <! - - and more options - -
>>
After the user submits this form, a
confirmation screen is displayed with these hobbies listed. Assume that an
application-scoped hobbies, holds a map between the hobby enumerated type and
the display name. Which EL code snippet will display Nth element of the user's
selected hobbles?
A. ${hobbies [hobbyEnum[N]}
B. ${hobbies [paramValues.hobbyEnum[N]]}
C. ${hobbies [paramValues @ ‘hobbyEnum’
@N]
D. ${hobbies.get(paramValues.hobbyEnum[N])
}
E. ${hobbies
[paramValues.hobbyEnum.get(N)] }
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Answer: B
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Question: 6
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Given:
1.
<% int[] nums = {42,420,4200};
2. request.setAttribute("foo",
nums); %>
3.
${5 + 3 It 6}
4.
S(requestScope['foo'][0] ne 10 div0>
5.
${10 div 0}
What is the result?
A. true
true
B. false
true
C. false
true 0
D. true
true Infinity
E. false
true Infinity
F. An exception is thrown
G. Compilation or translation fails
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Answer: E
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Question: 7
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You are building a web application with a
scheduling component. On the JSP, you need to show the current date, the date
of the previous week, and the date of the next week. To help you present this
information, you have created the following EL functions in the ‘d’ namespace:
• Name
: curData; signature: java.util.utilDate CurrentDate()
• Name
: curData; signature: java.util.utilDate addweek (java.util.Date, int)
• Name:
dateString; signature: java.util.String getDataString (jave.util.Data)
Which EL code snippet will generate the
string for the previous week?
A. ${d:dateString(affWeek(curDate(), -1))
}
B. ${d:dateString [addWeek[curDate[], - ]]
}
C. ${d:dateString [d:addWeek[d:curDate[],
- 1]] }
D. ${d:dateString (d:addWeek(d:curDate(),
-1)) }
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Answer: D
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Question: 8
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Given a header in an HI IP request:
X-Retries: 4
A Which two retrieve the value of the
header from a given HttpServletRequest request? (Choose two)
A. request-getHeader("X-Retries")
B.
request.getlntHeader("X-Retries")
C.
request.getRequestHeader("X-Retries")
D.
request.getHeaders{"X-Retries").get(0)
E.
request.getRequestHeaders("X-Retries").get(0)
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Answer: A, B
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Question: 9
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Given an HttpServletRequestrequest and
HttpResponseresponse, which sets a cookie “username” with the value “joe” in a
servlet?
A. request.addCookie("username",
"joe")
B. request.setCookie("username",
"joe")
C.
response.addCookie("username", "joe")
D. request.addHeader(new
Cookie("username", "joe"))
E. request.addCookie(new
Cookie("username", "joe"))
F. response.addCookie(new
Cookie("username", "joe"))
G. response.addHeader(new
Cookie("username", "joe"))
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Answer: F
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Question: 10
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Which annotation enables a servlet to
efficiently process requests of typo multipart/form-data that involve large
files being uploaded by the client?
A. @AcceptMultipart
B. @MultiPartConfig
C. @MultiPartFormData
D. @WebServlet (multipart = true)
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Answer: B
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Explanation:
Reference:
http://www.scribd.com/ilinchen2008/d/38764279-Servlet3-0-Specs (page 22, last paragraph)
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Question: 11
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APIs for dynamically registering servlets
and filters can be called at:
A. Context initialization time
B. Any time
C. There is no way to dynamically register
servlets and filters
D. Context destruction time
E. Injected into a servlet context
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Answer: A
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Question: 12
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ServletRegistration.Dynamic can be used to
configure (Choose two)
A. Filter mappings
B. add init params
C. set asyncSupported to true
D. add Listeners
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Answer: A, B
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Explanation:
Reference:
http://www.softwareengineeringsolutions.com/blogs/2010/08/01/ (3rd paragraph)
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