1Z0-858 무료 덤프문제 온라인 액세스

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.<news:lookup />
  <table>
  <tr>
  <td><news:item info="${headline}" /></td>
  </tr>
  </table>
• B.<table>
  <news:lookup>
  <tr>
  <td><news:item info="${headline}" /></td>
  </tr>
  </news:lookup>
  </table>
• C.<table>
  <tr>
  <td>
  <news:lookup />
  <news:item info="${headline}" />
  </td>
  </tr>
  </table>
• D.<table>
  <tr>
  <news:lookup>
  <td><news:item info="${headline}" /></td>
  </news:lookup>
  </tr>
  </table>

Which two classes or interfaces provide a getSession method? (Choose two.)

• A.javax.servlet.http.HttpSessionContext
• B.javax.servlet.http.HttpSessionAttributeEvent
• C.javax.servlet.http.HttpSessionBindingEvent
• D.javax.servlet.http.HttpServletRequest
• E.javax.servlet.http.HttpServletResponse

Which implicit object is used in a JSP page to retrieve values associated with <contextparam> entries in the deployment descriptor?

• A.request
• B.config
• C.session
• D.application

A developer is designing a web application that makes many fine-grained remote data requests for each client request. During testing, the developer discovers that the volume of remote requests significantly degrades performance of the application. Which design pattern provides a solution for this problem?

• A.Transfer Object
• B.Model-View-Controller
• C.Business Delegate
• D.Flyweight
• E.Service Locator
• F.Dispatcher View

A web component accesses a local EJB session bean with a component interface of com.example.Account with a home interface of com.example.AccountHome and a JNDI reference of ejb/Account. Which makes the local EJB component accessible to the web components in the web application deployment descriptor?

• A.<env-ref>
  <ejb-ref-name>ejb/Account</ejb-ref-name>
  <ejb-ref-type>Session</ejb-ref-type>
  <local-home>com.example.AccountHome</local-home>
  <local>com.example.Account</local>
  </env-ref>
• B.<ejb-local-ref>
  <ejb-ref-name>ejb/Account</ejb-ref-name>
  <ejb-ref-type>Session</ejb-ref-type>
  <local-home>com.example.AccountHome</local-home>
  <local>com.example.Account</local>
  </ejb-local-ref>
• C.<resource-ref>
  <ejb-ref-name>ejb/Account</ejb-ref-name>
  <ejb-ref-type>Session</ejb-ref-type>
  <local-home>com.example.AccountHome</local-home>
  <local>com.example.Account</local> </resource-ref>
• D.<ejb-remote-ref>
  <ejb-ref-name>ejb/Account</ejb-ref-name>
  <ejb-ref-type>Session</ejb-ref-type>
  <local-home>com.example.AccountHome</local-home>
  <local>com.example.Account</local>
  </ejb-remote-ref>