ITExamDump의SUN인증 310-083시험덤프 공부가이드는 시장에서 가장 최신버전이자 최고의 품질을 지닌 시험공부자료입니다.IT업계에 종사중이라면 IT자격증취득을 승진이나 연봉협상의 수단으로 간주하고 자격증취득을 공을 들여야 합니다.회사다니면서 공부까지 하려면 몸이 힘들어 스트레스가 많이 쌓인다는것을 헤아려주는ITExamDump가 IT인증자격증에 도전하는데 성공하도록SUN인증 310-083시험대비덤프를 제공해드립니다.
지금 같은 상황에서 몇년간SUN 310-083시험자격증만 소지한다면 일상생활에서많은 도움이 될것입니다. 하지만 문제는 어떻게SUN 310-083시험을 간단하게 많은 공을 들이지 않고 시험을 패스할것인가이다? 우리ITExamDump는 여러분의 이러한 문제들을 언제드지 해결해드리겠습니다. 우리의310-083시험마스터방법은 바로IT전문가들이제공한 시험관련 최신연구자료들입니다. 우리ITExamDump 여러분은310-083시험관련 최신버전자료들을 얻을 수 있습니다. ITExamDump을 선택함으로써 여러분은 성공도 선택한것이라고 볼수 있습니다.
SUN 310-083인증시험도 어려울 뿐만 아니라 신청 또한 어렵습니다.SUN 310-083시험은 IT업계에서도 권위가 있고 직위가 있으신 분들이 응시할 수 있는 시험이라고 알고 있습니다. 우리 ITExamDump에서는SUN 310-083관련 학습가이드를 제동합니다. ITExamDump 는 우리만의IT전문가들이 만들어낸SUN 310-083관련 최신, 최고의 자료와 학습가이드를 준비하고 있습니다. 여러분의 편리하게SUN 310-083응시하는데 많은 도움이 될 것입니다.
인재도 많고 경쟁도 많은 이 사회에, IT업계인재들은 인기가 아주 많습니다.하지만 팽팽한 경쟁률도 무시할 수 없습니다.많은 IT인재들도 어려운 인증시험을 패스하여 자기만의 자리를 지키고 있습니다.우리ITExamDump에서는 마침 전문적으로 이러한 IT인사들에게 편리하게 시험을 패스할수 있도록 유용한 자료들을 제공하고 있습니다.
시험 번호/코드: 310-083
시험 이름: SUN (Sun Certified Web Component Developer for J2EE 5)
SUN인증 310-083시험을 준비하기 위해 잠도 설쳐가면서 많이 힘들죠? ITExamDump덤프가 고객님의 곁을 지켜드립니다. ITExamDump에서 제공해드리는SUN인증 310-083덤프는 실제SUN인증 310-083시험문제를 연구하여 만든 공부자료이기에 최고의 품질을 자랑합니다. ITExamDump덤프를 열심히 공부하여 멋진 IT전문가의 꿈을 이루세요.
우리 ITExamDump사이트에서 제공되는SUN인증310-083시험덤프의 일부분인 데모 즉 문제와 답을 다운받으셔서 체험해보면 우리ITExamDump에 믿음이 갈 것입니다. 우리ITExamDump의 제품을 구매하신다고 하면 우리는 최선을 다하여 여러분들한테 최고의 버전을 제공함으로 한번에SUN인증310-083시험을 패스하도록 하겠습니다. IT시험이라고 모두 무조건 외우고 장악하고 많은 시간을 투자해야만 된다는 사상을 깨게 될 것입니다.
ITExamDump의SUN인증 310-083 덤프는 수많은 시험준비 공부자료 중 가장 믿음직합니다. ITExamDump의 인지도는 업계에 널리 알려져 있습니다. SUN인증 310-083덤프로SUN인증 310-083시험을 준비하여 한방에 시험패스한 분이 너무나도 많습니다. SUN인증 310-083덤프는 실제SUN인증 310-083시험문제에 초점을 맞추어 제작한 최신버전 덤프로서 시험패스율이 100%에 달합니다.
310-083 덤프무료샘플다운로드하기: http://www.itexamdump.com/310-083.html
NO.1 Which three are true about TLD files? (Choose three.)
A. The web container recognizes TLD files placed in any subdirectory of WEB-INF.
B. When deployed inside a JAR file, TLD files must be in the META-INF directory, or a subdirectory of it.
C. A tag handler's attribute must be included in the TLD file only if the attribute can accept request-time
expressions.
D. The web container can generate an implicit TLD file for a tag library comprised of both simple tag
handlers and tag files.
E. The web container can automatically extend the tag library map described in a web.xml file by including
entries extracted from the web application's TLD files.
Answer: ABE
SUN 310-083 310-083 310-083 dump 310-083 pdf
NO.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. session.removeAll(USE_CASE_ATTRS);
B. for ( String attr : USE_CASE_ATTRS ) {
session.remove(attr);
}
C. for ( String attr : USE_CASE_ATTRS ) {
session.removeAttribute(attr);
}
D. for ( String attr : USE_CASE_ATTRS ) {
session.deleteAttribute(attr);
}
E. session.deleteAllAttributes(USE_CASE_ATTRS);
Answer: C
SUN최신덤프 310-083 310-083 310-083인증 310-083 dumps
NO.3 <sl:item name="Eggs" />
NO.4 Given the definition of MyServlet:
11. public class MyServlet extends HttpServlet {
12. public void service(HttpServletRequest request,
13. HttpServletResponse response)
14. throws ServletException, IOException {
15. HttpSession session = request.getSession();
16 session.setAttribute("myAttribute","myAttributeValue");
17. session.invalidate();
18. response.getWriter().println("value=" +
NO.5 You are building a web application that will be used throughout the European Union; therefore, it has
significant internationalization requirements. You have been tasked to create a custom tag that generates
a message using the java.text.MessageFormat class. The tag will take the resourceKey attribute and a
variable number of argument attributes with the format, arg<N>. Here is an example use of this tag and its
output:
<t:message resourceKey='diskFileMsg' arg0='MyDisk' arg1='1247' />
generates:
The disk "MyDisk" contains 1247 file(s).
Which Simple tag class definition accomplishes this goal of handling a variable number of tag attributes?
A. public class MessageTag extends SimpleTagSupport
implements VariableAttributes {
private Map attributes = new HashMap();
public void setVariableAttribute(String uri,
String name, Object value) {
this.attributes.put(name, value);
}
// more tag handler methods
}
B. The Simple tag model does NOT support a variable number of attributes.
C. public class MessageTag extends SimpleTagSupport
implements DynamicAttributes {
private Map attributes = new HashMap();
public void putAttribute(String name, Object value) {
this.attributes.put(name, value);
}
// more tag handler methods
}
D. public class MessageTag extends SimpleTagSupport
implements VariableAttributes {
private Map attributes = new HashMap();
public void putAttribute(String name, Object value) {
this.attributes.put(name, value);
}
// more tag handler methods
}
E. public class MessageTag extends SimpleTagSupport
implements DynamicAttributes {
private Map attributes = new HashMap();
public void setDynamicAttribute(String uri, String name,
Object value) {
this.attributes.put(name, value);
}
// more tag handler methods
}
Answer: E
SUN dumps 310-083 310-083
NO.6 You have built a collection of custom tags for your web application. The TLD file is located in the file:
/WEB-INF/myTags.xml. You refer to these tags in your JSPs using the symbolic name: myTags. Which
deployment descriptor element must you use to make this link between the symbolic name and the TLD
file name?
A. <taglib>
<name>myTags</name>
<location>/WEB-INF/myTags.xml</location>
</taglib>
B. <tags>
<name>myTags</name>
<location>/WEB-INF/myTags.xml</location>
</tags>
C. <tags>
<tags-uri>myTags</taglib-uri>
<tags-location>/WEB-INF/myTags.xml</tags-location>
</tags>
D. <taglib>
<taglib-uri>myTags</taglib-uri>
<taglib-location>/WEB-INF/myTags.xml</taglib-location>
</taglib>
Answer: D
SUN 310-083 310-083 310-083덤프 310-083
NO.7 Assume the scoped attribute priority does NOT yet exist. Which two create and set a new
request-scoped attribute priority to the value "medium"? (Choose two.)
A. ${priority = 'medium'}
B. ${requestScope['priority'] = 'medium'}
C. <c:set var="priority" value="medium" />
D. <c:set var="priority" scope="request">medium</c:set>
E. <c:set var="priority" value="medium" scope="request" />
F. <c:set property="priority" scope="request">medium</c:set>
G. <c:set property="priority" value="medium" scope="request" />
Answer: DE
SUN시험문제 310-083 310-083자격증
NO.8 Assume that a news tag library contains the tags lookup and item:
lookup Retrieves the latest news headlines and executes the tag body once for each
headline. Exposes a NESTED page-scoped attribute called headline of type com.example.Headline
containing details for that headline.
item Outputs the HTML for a single news headline. Accepts an attribute info of type
com.example.Headline containing details for the headline to be rendered.Which snippet of JSP code
returns the latest news headlines in an HTML table, one per row?
A. <table>
<tr>
<td>
<news:lookup />
<news:item info="${headline}" />
</td>
</tr>
</table>
B. <news:lookup />
<table>
<tr>
<td><news:item info="${headline}" /></td>
</tr>
</table>
C. <table>
<news:lookup>
<tr>
<td><news:item info="${headline}" /></td>
</tr>
</news:lookup>
</table>
D. <table>
<tr>
<news:lookup>
<td><news:item info="${headline}" /></td>
</news:lookup>
</tr>
</table>
Answer: C
SUN 310-083 pdf 310-083시험문제
NO.9 session.getAttribute("myAttribute"));
NO.10 <sl:item name="Bread" />
NO.11 <sl:shoppingList>
NO.12 Which JSTL code snippet can be used to perform URL rewriting?
A. <a href='<c:url url="foo.jsp"/>' />
B. <a href='<c:link url="foo.jsp"/>' />
C. <a href='<c:url value="foo.jsp"/>' />
D. <a href='<c:link value="foo.jsp"/>' />
Answer: C
SUN 310-083 dumps 310-083 310-083 310-083 dumps 310-083
NO.13 Click the Exhibit button.
The attribute "name" has a value of "Foo,"
What is the result if this tag handler's tag is invoked?
A. Foo
B. done
C. Foodone
D. An exception is thrown at runtime.
E. No output is produced from this code.
F. Compilation fails because of an error in this code.
Answer: A
SUN pdf 310-083 310-083 310-083 310-083
NO.14 Which implicit object is used in a JSP page to retrieve values associated with <context-param> entries
in the deployment descriptor?
A. config
B. request
C. session
D. application
Answer: D
SUN 310-083 310-083 310-083시험문제 310-083시험문제
NO.15 Which two statements about tag files are true? (Choose two.)
A. Classic tag handlers and tag files CANNOT reside in the same tag library.
B. A file named foo.tag, located in /WEB-INF/tags/bar, is recognized as a tag file by the container.
C. A file named foo.tag, bundled in a JAR file but NOT defined in a TLD, triggers a container translation
error.
D. A file named foo.tag, located in a web application's root directory, is recognized as a tag file by the
container.
E. If files foo1.tag and foo2.tag both reside in /WEB-INF/tags/bar, the container will consider them part of
the same tag library.
Answer: BE
SUN인증 310-083 310-083자격증 310-083 310-083최신덤프
NO.16 Given the JSP code:
<% request.setAttribute("foo", "bar"); %>
and the Classic tag handler code:
5. public int doStartTag() throws JspException {
6. // insert code here
7. // return int
8. }
Assume there are no other "foo" attributes in the web application.
Which invocation on the pageContext object, inserted at line 6, assigns "bar" to the variable x?
A. String x = (String) pageContext.getAttribute("foo");
B. String x = (String) pageContext.getRequestScope("foo");
C. It is NOT possible to access the pageContext object from within doStartTag.
D. String x = (String)
pageContext.getRequest().getAttribute("foo");
E. String x = (String) pageContext.getAttribute("foo",
PageContext.ANY_SCOPE);
Answer: D
SUN 310-083 310-083 310-083 pdf
NO.17 The sl:shoppingList and sl:item tags output a shopping list to the response and are used as follows:
NO.18 Your management has required that all JSPs be created to generate XHTML-compliant content and to
facilitate that decision, you are required to create all JSPs using the JSP Document format. In the
reviewOrder.jspx page, you need to use several core JSTL tags to process the collection of order items in
the customer's shopping cart. Which JSP code snippets must you use in the reviewOrder.jspx page?
A. <html xmlns:jsp="http://java.sun.com/JSP/Page"
version="2.0">
<jsp:directive.taglib prefix="c"
uri="http://java.sun.com/jsp/jstl/core" />
<!-- page content -->
</html>
B. <html xmlns:jsp="http://java.sun.com/JSP/Page"
version="2.0"
xmlns:c="http://java.sun.com/jsp/jstl/core">
<!-- page content -->
</html>
C. <jsp:root xmlns:jsp="http://java.sun.com/JSP/Page"
version="2.0">
<jsp:directive.taglib prefix="c"
uri="http://java.sun.com/jsp/jstl/core" />
<!-- page content -->
</jsp:root>
D. <jsp:root xmlns:jsp="http://java.sun.com/JSP/Page"
version="2.0"
xmlns:c="http://java.sun.com/jsp/jstl/core">
<!-- page content -->
</jsp:root>
Answer: D
SUN 310-083기출문제 310-083인증 310-083 310-083 310-083 dumps
NO.19 </sl:shoppingList>
The tag handler for sl:shoppingList is ShoppingListTag and the tag handler for sl:item is ItemSimpleTag.
ShoppingListTag extends BodyTagSupport and ItemSimpleTag extends SimpleTagSupport.
Which is true?
A. ItemSimpleTag can find the enclosing instance of ShoppingListTag by calling getParent() and casting
the result to ShoppingListTag.
B. ShoppingListTag can find the child instances of ItemSimpleTag by calling super.getChildren() and
casting each to an ItemSimpleTag.
C. It is impossible for ItemSimpleTag and ShoppingListTag to find each other in a tag hierarchy because
one is a Simple tag and the other is a Classic tag.
D. ShoppingListTag can find the child instances of ItemSimpleTag by calling getChildren() on the
PageContext and casting each to an ItemSimpleTag.
E. ItemSimpleTag can find the enclosing instance of ShoppingListTag by calling findAncestorWithClass()
on the PageContext and casting the result to ShoppingListTag.
Answer: A
SUN dump 310-083 dumps 310-083 dumps 310-083자료 310-083
11. Servlet A receives a request that it forwards to servlet B within another web application in the same
web container. Servlet A needs to share data with servlet B and that data must not be visible to other
servlets in A's web application. In which object can the data that A shares with B be stored?
A. HttpSession
B. ServletConfig
C. ServletContext
D. HttpServletRequest
E. HttpServletResponse
Answer: D
SUN덤프 310-083 310-083 310-083
12. Your web site has many user-customizable features, for example font and color preferences on web
pages. Your IT department has already built a subsystem for user preferences using the Java SE
platform's lang.util.prefs package APIs, and you have been ordered to reuse this subsystem in your web
application. You need to create an event listener that constructs the preferences factory and stores it in
the application scope for later use. Furthermore, this factory requires that the URL to a database must
be declared in the deployment descriptor like this:
42. <context-param>
43. <param-name>prefsDbURL</param-name>
44. <param-value>
45. jdbc:pointbase:server://dbhost:4747/prefsDB
46. </param-value>
47. </context-param>
Which partial listener class will accomplish this goal?
A. public class PrefsFactoryInitializer implements ContextListener {
public void contextInitialized(ServletContextEvent e) {
ServletContext ctx = e.getContext();
String prefsURL = ctx.getParameter("prefsDbURL");
PreferencesFactory myFactory = makeFactory(prefsURL);
ctx.putAttribute("myPrefsFactory", myFactory);
}
// more code here
}
B. public class PrefsFactoryInitializer implements ServletContextListener {
public void contextCreated(ServletContext ctx) {
String prefsURL = ctx.getInitParameter("prefsDbURL");
PreferencesFactory myFactory = makeFactory(prefsURL);
ctx.setAttribute("myPrefsFactory", myFactory);
}
// more code here
}
C. public class PrefsFactoryInitializer implements ServletContextListener {
public void contextInitialized(ServletContextEvent e) {
ServletContext ctx = e.getServletContext();
String prefsURL = ctx.getInitParameter("prefsDbURL");
PreferencesFactory myFactory = makeFactory(prefsURL);
ctx.setAttribute("myPrefsFactory", myFactory);
}
// more code here
}
D. public class PrefsFactoryInitializer implements ContextListener {
public void contextCreated(ServletContext ctx) {
String prefsURL = ctx.getParameter("prefsDbURL");
PreferencesFactory myFactory = makeFactory(prefsURL);
ctx.putAttribute("myPrefsFactory", myFactory);
}
// more code here
}
Answer: C
SUN dump 310-083인증 310-083자료 310-083 dumps
13. A developer wants a web application to be notified when the application is about to be shut down.
Which two actions are necessary to accomplish this goal? (Choose two.)
A. include a listener directive in a JSP page
B. configure a listener in the TLD file using the <listener> element
C. include a <servlet-destroy> element in the web application deployment descriptor
D. configure a listener in the application deployment descriptor, using the <listener> element
E. include a class implementing ServletContextListener as part of the web application deployment
F. include a class implementing ContextDestroyedListener as part of the web application deployment
G. include a class implementing HttpSessionAttributeListener as part of the web application deployment
Answer: DE
SUN덤프 310-083 310-083시험문제 310-083
14. You want to create a filter for your web application and your filter will implement javax.servlet.Filter.
Which two statements are true? (Choose two.)
A. Your filter class must implement an init method and a destroy method.
B. Your filter class must also implement javax.servlet.FilterChain.
C. When your filter chains to the next filter, it should pass the same arguments it received in its doFilter
method.
D. The method that your filter invokes on the object it received that implements javax.servlet.FilterChain
can invoke either another filter or a servlet.
E. Your filter class must implement a doFilter method that takes, among other things, an
HTTPServletRequest object and an HTTPServletResponse object.
Answer: AD
SUN 310-083덤프 310-083 dumps 310-083
15. Which three are true about the HttpServletRequestWrapper class? (Choose three.)
A. The HttpServletRequestWrapper is an example of the Decorator pattern.
B. The HttpServletRequestWrapper can be used to extend the functionality of a servlet request.
C. A subclass of HttpServletRequestWrapper CANNOT modify the behavior of the getReader method.
D. An HttpServletRequestWrapper may be used only by a class implementing the javax.servlet.Filter
interface.
E. An HttpServletRequestWrapper CANNOT be used on the request passed to the
RequestDispatcher.include method.
F. An HttpServletRequestWrapper may modify the header of a request within an object implementing the
javax.servlet.Filter interface.
Answer: ABF
SUN자격증 310-083 dumps 310-083시험문제 310-083
NO.20 You are creating a JSP page to display a collection of data. This data can be displayed in several
different ways so the architect on your project decided to create a generic servlet that generates a
comma-delimited string so that various pages can render the data in different ways. This servlet takes on
request parameter: objectID. Assume that this servlet is mapped to the URL pattern: /WEB-INF/data.
In the JSP you are creating, you need to split this string into its elements separated by commas and
generate an HTML <ul> list from the data.
Which JSTL code snippet will accomplish this goal?
A. <c:import varReader='dataString' url='/WEB-INF/data'>
<c:param name='objectID' value='${currentOID}' />
</c:import>
<ul>
<c:forTokens items'${dataString.split(",")}' var='item'>
<li>${item}</li>
</c:forTokens>
</ul>
B. <c:import varReader='dataString' url='/WEB-INF/data'>
<c:param name='objectID' value='${currentOID}' />
</c:import>
<ul>
<c:forTokens items'${dataString}' delims=',' var='item'>
<li>${item}</li>
</c:forTokens>
</ul>
C. <c:import var='dataString' url='/WEB-INF/data'>
<c:param name='objectID' value='${currentOID}' />
</c:import>
<ul>
<c:forTokens items'${dataString.split(",")}' var='item'>
<li>${item}</li>
</c:forTokens>
</ul>
D. <c:import var='dataString' url='/WEB-INF/data'>
<c:param name='objectID' value='${currentOID}' />
</c:import>
<ul>
<c:forTokens items'${dataString}' delims=',' var='item'>
<li>${item}</li>
</c:forTokens>
</ul>
Answer: D
SUN 310-083 310-083 310-083기출문제
NO.21 A developer wants to make a name attribute available to all servlets associated with a particular user,
across multiple requests from that user, from the same browser instance.
Which two provide this capability from within a tag handler? (Choose two.)
A. pageContext.setAttribute("name", theValue);
B. pageContext.setAttribute("name", getSession());
C. pageContext.getRequest().setAttribute("name", theValue);
D. pageContext.getSession().setAttribute("name", theValue);
E. pageContext.setAttribute("name", theValue,
PageContext.PAGE_SCOPE);
F. pageContext.setAttribute("name", theValue,
PageContext.SESSION_SCOPE);
Answer: DF
SUN자격증 310-083 310-083 310-083 dump
NO.22 Click the Exhibit button.
The resource requested by the RequestDispatcher is available and implemented by the
DestinationServlet.
What is the result?
A. An exception is thrown at runtime by SourceServlet.
B. An exception is thrown at runtime by DestinationServlet.
C. Only "hello from dest" appears in the response output stream.
D. Both "hello from source" and "hello from dest" appear in the response output stream.
Answer: A
SUN dumps 310-083기출문제 310-083 dumps 310-083 pdf
NO.23 As a convenience feature, your web pages include an Ajax request every five minutes to a special
servlet that monitors the age of the user's session. The client-side JavaScript that handles the Ajax
callback displays a message on the screen as the session ages. The Ajax call does NOT pass any
cookies, but it passes the session ID in a request parameter called sessionID. In addition, assume that
your webapp keeps a hashmap of session objects by the ID. Here is a partial implementation of this
servlet:
10. public class SessionAgeServlet extends HttpServlet {
11. public void service(HttpServletRequest request, HttpServletResponse) throws IOException {
12. String sessionID = request.getParameter("sessionID");
13. HttpSession session = getSession(sessionID);
14. long age = // your code here
15. response.getWriter().print(age);
16. } ... // more code here
47. }
Which code snippet on line 14, will determine the age of the session?
A. session.getMaxInactiveInterval();
B. session.getLastAccessed().getTime() - session.getCreationTime().getTime();
C. session.getLastAccessedTime().getTime() - session.getCreationTime().getTime();
D. session.getLastAccessed() - session.getCreationTime();
E. session.getMaxInactiveInterval() - session.getCreationTime();
F. session.getLastAccessedTime() - session.getCreationTime();
Answer: F
SUN 310-083 310-083기출문제 310-083 310-083
NO.24 }
NO.25 }
What is the result when a request is sent to MyServlet?
A. An IllegalStateException is thrown at runtime.
B. An InvalidSessionException is thrown at runtime.
C. The string "value=null" appears in the response stream.
D. The string "value=myAttributeValue" appears in the response stream.
Answer: A
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19. You need to store a Java long primitive attribute, called customerOID, into the session scope. Which
two code snippets allow you to insert this value into the session? (Choose two.)
A. long customerOID = 47L;
session.setAttribute("customerOID", new Long(customerOID));
B. long customerOID = 47L;
session.setLongAttribute("customerOID", new Long(customerOID));
C. long customerOID = 47L;
session.setAttribute("customerOID", customerOID);
D. long customerOID = 47L;
session.setNumericAttribute("customerOID", new Long(customerOID));
E. long customerOID = 47L;
session.setLongAttribute("customerOID", customerOID);
F. long customerOID = 47L;
session.setNumericAttribute("customerOID", customerOID);
Answer: AC
SUN dumps 310-083최신덤프 310-083자격증 310-083 310-083 310-083시험문제
20. A developer for the company web site has been told that users may turn off cookie support in their
browsers. What must the developer do to ensure that these customers can still use the web application?
A. The developer must ensure that every URL is properly encoded using the appropriate URL rewriting
APIs.
B. The developer must provide an alternate mechanism for managing sessions and abandon the
HttpSession mechanism entirely.
C. The developer can ignore this issue. Web containers are required to support automatic URL rewriting
when cookies are not supported.
D. The developer must add the string id=<sessionid> to the end of every URL to ensure that the
conversation with the browser can continue.
Answer: A
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21. Your web application requires the adding and deleting of many session attributes during a complex
use case. A bug report has come in that indicates that an important session attribute is being deleted too
soon and a NullPointerException is being thrown several interactions after the fact. You have decided to
create a session event listener that will log when attributes are being deleted so you can track down when
the attribute is erroneously being deleted.
Which listener class will accomplish this debugging goal?
A. Create an HttpSessionAttributeListener class and implement the attributeDeleted method and log the
attribute name using the getName method on the event object.
B. Create an HttpSessionAttributeListener class and implement the attributeRemoved method and log the
attribute name using the getName method on the event object.
C. Create an SessionAttributeListener class and implement the attributeRemoved method and log the
attribute name using the getAttributeName method on the event object.
D. Create an SessionAttributeListener class and implement the attributeDeleted method and log the
attribute name using the getAttributeName method on the event object.
Answer: B
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NO.26 You have created a JSP that includes instance variables and a great deal of scriptlet code.
Unfortunately, after extensive load testing, you have discovered several race conditions in your JSP
scriptlet code. To fix these problems would require significant recoding, but you are already behind
schedule. Which JSP code snippet can you use to resolve these concurrency problems?
A. <%@ page isThreadSafe='false' %>
B. <%@ implements SingleThreadModel %>
C. <%! implements SingleThreadModel %>
D. <%@ page useSingleThreadModel='true' %>
E. <%@ page implements='SingleThreadModel' %>
Answer: A
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NO.27 Given the JSP code:
10. <html>
11. <body>
12. <jsp:useBean id='customer' class='com.example.Customer' />
13. Hello, ${customer.title} ${customer.lastName}, welcome
14. to Squeaky Beans, Inc.
15. </body>
16. </html>
Which three types of JSP code are used? (Choose three.)
A. Java code
B. template text
C. scripting code
D. standard action
E. expression language
Answer: BDE
SUN인증 310-083덤프 310-083 310-083 310-083자료
NO.28 To take advantage of the capabilities of modern browsers that use web standards, such as XHTML and
CSS, your web application is being converted from simple JSP pages to JSP Document format. However,
one of your JSPs, /scripts/screenFunctions.jsp, generates a JavaScript file. This file is included in several
web forms to create screen-specific validation functions and are included in these pages with the
following statement:
10. <head>
11. <script src='/scripts/screenFunctions.jsp'
12. language='javascript'
13. type='application/javascript'> </script>
14. </head>
15. <!-- body of the web form -->
Which JSP code snippet declares that this JSP Document is a JavaScript file?
A. <%@ page contentType='application/javascript' %>
B. <jsp:page contentType='application/javascript' />
C. <jsp:document contentType='application/javascript' />
D. <jsp:directive.page contentType='application/javascript' />
E. No declaration is needed because the web form XHTML page already declares the MIME type of the
/scripts/screenFunctions.jsp file in the <script> tag.
Answer: D
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NO.29 Which statement is true about web container session management?
A. Access to session-scoped attributes is guaranteed to be thread-safe by the web container.
B. To activate URL rewriting, the developer must use the HttpServletResponse.setURLRewriting method.
C. If the web application uses HTTPS, then the web container may use the data on the HTTPS request
stream to identify the client.
D. The JSESSIONID cookie is stored permanently on the client so that a user may return to the web
application and the web container will rejoin that session.
Answer: C
SUN 310-083 310-083인증 310-083덤프
NO.30 <sl:item name="Milk" />
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