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Q41.
long age = // your code here
Q42. View the Exhibit.
Which two technologies would be suitable for use as Front Controller elements? (Choose two)
A. JSP
B. Servlet
C. Filter
D. POJO
E. Custom Tag
Answer: AB
Q43. Which of the following are attributes of the annotation javax.servlet.annotation.WebFiler?
-Name -servletNames -urlPatterns -dispatcherTypes -supportAsync
A. (iii) only
B. (iii) and (iv)
C. (ii), (iii) and (iv)
D. (iii), (iv) and (v)
E. (ii), (iii), (iv) and (v)
Answer: B
Q44. Given the JavaBean class:
public class MyBean {
private Boolean roasted = false;
public MyBean () {}
public Boolean isRoasted () { returned roasted }
public void setRoasted (Boolean roasted) { this.roasted = roasted; ]
}
Assume a controller has created an instance of this bean, called setRoasted (true), and inserted the bean into the application scope using the name “myBean”.
A JSP contains these two tags: <jsp: useBean id = “aBean” class = “MyBean” scope = “page” \ />
<jsp: getProprty name = “aBean” property = “roasted” \ />
Which is true?
A. the page will include the output false
B. the page will include the output
C. the page will report that the property roasted does not exist
D. the page will report that the syntax of the useBean tag is incorrect
E. the page will report that the syntax of the getProperty tag ls incorrect
Answer: E
Q45. A developer chooses to avoid using singieThreadModel but wants to ensure that data If; updated in a thread safe manner.
Which two can support this design goal? (Choose two)
A. Store the data in a local variable.
B. Store the data in an instance variable.
C. Store the data in the Httpsession object.
D. Store the data in the sarvletContext object.
E. Store the data in the ServletRequest object.
Answer: AE
Q46. A cookie may be set to be an HttpOnly cookie. Setting a cookie to be HttpOnly results in (Choose two)
A. Client to not expose the cookie to client side scripting code
B. Does not work with https protocol
C. prevent certain types of cross-site scripting attacks
D. There is no such thing as an HttpOnly cookie
Answer: AC
Q47. For manageability purposes, you have been told to add a “count” instance variable to a critical JSP Document so that a JMX MBean can track how frequent this JSP is being invoked. Which JSP code snippet must you use to declare this instance variable in the JSP Document?
A. <jsp:declaration> int count = 0; <jsp:declaration>
B. <%! int count = 0; %>
C. <jsp:declaration.instance> int count = 0; <jsp:declaration.instance>
D. <jsp:scriptlet.declaration> int count = 0; <jsp:scriptlet.declaration>
Answer: A
Q48. Given an EL function declared with:
Which two are true? (Choose two)
A. The function method must have the signature: public String spin().
B. The method must be mapped to the logical name “spin” in the web.xml file.
C. The function method must have the signature: public String spinIt().
D. The function method must have the signature: public static String spin().
E. The function method must have the signature: public static String spinIt().
F. The function class must be named Spinner, and must be in the package com.example.
Answer: EF
Q49. 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"))
Answer: F
Q50.
// class body code here