1z0-859 exam - secrets of passing exam in first attempt
1.
P a g e | 1
1Z0 9
0‐859
Java E
Enterpris
se Editio
on 5 Web
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2. P a g e | 2
Question:
: 1
e relationship:
Given the
The tag handler MyT
Tag extends SimpleTagSu
upport. At r
runtime, the doTag method throws a
Exception.Wh
hich three eve
ents occur aft
ter the SkipPa
ageException is thrown? (C
Choose three
e.)
SkipPageE
tion of page2.jsp stops.
A. Evaluat
B. Evaluat
tion of page1.jsp stops.
C. The My
yTag instance
e is NOT reuse
ed.
D. Evaluat
tion of page2
2.jsp continue
es.
E. Evaluat
tion of page1.jsp continues.
A,C,E
Answer: A
Question:
: 2
per
tier
need to log each incomin
ng
A develop is designing a multi‐t web application and discovers a n
client req
quest. Which two patterns, taken ind
h
dependently, provide a s
,
solution for this problem
m?
(Choose two.)
er Object
A. Transfe
B. Service
e Locator
C. Front C
Controller
D. Interce
epting Filter
E. Busines
ss Delegate
F. Model‐View‐Controller
Answer: C
C,D
Question:
: 3
Which thr
ree are true a
about the HttpServletRequ
uestWrapper class? (Choos
se three.)
A. The Htt
tpServletRequestWrapper
r is an example of the Deco
orator pattern.
B. The Htt
tpServletRequ
uestWrapper
r can be used to extend the functionalit
ty of a servlet
t request.
C. A subclass of HttpSe
ervletRequest
tWrapper CAN
NNOT modify
y the behavio
or of the getRe
eader method.
D. An Http
pServletRequ
uestWrapper may be used only by a clas
ss implement
ting the
javax.serv
vlet.Filter inte
erface.
E. An Http
pServletRequestWrapper C
CANNOT be u
used on the re
equest passed
d to the
RequestD
Dispatcher.inc
clude method
d.
F. An Ht
ttpServletReq
questWrappe may mod
er
dify the hea
ader of a r
request with an object
hin
implemen
nting the javax.servlet.Filte
er interface.
3. P a g e | 3
Answer: A,B,F
Question: 4
Which two are valid values for the <transport‐guarantee> element inside a <securityconstraint>
element of a web application deployment descriptor? (Choose two.)
A. NULL
B. SECURE
C. INTEGRAL
D. ENCRYPTED
E. CONFIDENTIAL
Answer: C,D
Question: 5
Given a web application in which the request parameter productID contains a product identifier.
Which two EL expressions evaluate the value of the productID? (Choose two.)
A. ${productID}
B. ${param.productID}
C. ${params.productID}
D. ${params.productID[1]}
E. ${paramValues.productID}
F. ${paramValues.productID[0]}
G. ${pageContext.request.productID}
Answer: B,F
Question: 6
Given the function invocation expression ${my:reverse("42")}, and that the function reverse is
mapped into a Java method called reverse, which two are valid signatures for the Java method
reverse? (Choose two.)
A. public int reverse(String val)
B. public String reverse(String val)
C. public static int reverse(String val) D. public static String reverse(int val)
D. private static double reverse(double val)
E. public int reverse(String value, String name)
F. public static int reverse(int value, String name)
Answer: C,D
Question: 7
For an HttpServletResponse response, which two create a custom header? (Choose two.)
A. response.setHeader("X‐MyHeader", "34");
4. P a g e | 4
B. response.addHeader("X‐MyHeader", "34");
C. response.setHeader(new HttpHeader("X‐MyHeader", "34"));
D. response.addHeader(new HttpHeader("X‐MyHeader", "34"));
E. response.addHeader(new ServletHeader("X‐MyHeader", "34"));
F. response.setHeader(new ServletHeader("X‐MyHeader", "34"));
Answer: A,B
Question: 8
For a given ServletResponse response, which two retrieve an object for writing text data? (Choose
two.)
A. response.getWriter()
B. response.getOutputStream()
C. response.getOutputWriter()
D. response.getWriter().getOutputStream()
E. response.getWriter(Writer.OUTPUT_TEXT)
Answer: A,B
Question: 9
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.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"))
Answer: F
Question: 10
Your company has a corporate policy that prohibits storing a customer's credit card number in any
corporate database. However, users have complained that they do NOT want to re‐enter their credit
card number for each transaction. Your management has decided to use client‐side cookies to
record the user's credit card number for 120 days. Furthermore, they also want to protect this
information during transit from the web browser to the web container; so the cookie must only be
transmitted over HTTPS. Which code snippet creates the "creditCard" cookie and adds it to the out
going response to be stored on the user's web browser?
A. 10. Cookie c = new Cookie("creditCard", usersCard);
11. c.setSecure(true);
12. c.setAge(10368000);
13. response.addCookie(c);
B. 10. Cookie c = new Cookie("creditCard", usersCard);
5. P a g e | 5
11. c.setH
Https(true);
12. c.setM
MaxAge(10368000);
nse.setCookie
13. respon
e(c);
C. 10. Coo
okie c = new C
Cookie("credi
itCard", users
sCard);
11. c.setSecure(true);
MaxAge(10368000);
12. c.setM
nse.addCookie(c);
13. respon
D. 10. Coo
okie c = new C
Cookie("creditCard", users
sCard);
11. c.setH
Https(true);
12. c.setA
Age(10368000
0);
13. respon
nse.addCookie(c);
E. 10. Coo
okie c = new C
Cookie("creditCard", users
sCard);
11. c.setSecure(true);
Age(10368000
0);
12. c.setA
13. respon
nse.setCookie
e(c);
C
Answer: C
: 11
Question:
OP
DRAG DRO
Click the T
Task button.
Place the events in the
e order they o
occur.
Answer:
7. P a g e | 7
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