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考古題欣賞：

1. 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

2. 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

3. 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

310-083 考試是SUN認證的 Sun Certified Web Component Developer for J2EE 5 認證考試官方代號，Sun Certified Web Component Developer for J2EE 5 認證作為全球IT領域專家 SUN 熱門認證之壹，是許多大中IT企業選擇人才標準的必備條件。

SCWCD認證是業界最廣泛認可的IT技術認證之壹，也是業界最權威、最受尊敬的認證之壹。獲得310-083認證不僅僅能證明您的IT技術能力，更是您進入職場的敲門磚，也是提高您身價的另壹捷徑。

SCWCD該認證面向專門開發JSP（Java服務器頁面）和Servlet技術應用以提供Web服務和動態Web內容的開發人員。最新考試編號爲2009年4月份推出針對J2EE5的310-083。要通過該認證，考生必須成功完成壹項考試。參加認證之前，考生必須是Sun認證程序員(SCJP)（任何版本）。

考試目標：

Servlet技術模型

Web應用的結構和部署

Web容器模型

會話管理

Web應用安全性

Java服務器頁面 (JSP) 技術模型

使用表達式語言（EL）創建JSP頁面

使用標准動作創建JSP頁面

使用標簽庫創建JSP頁面

創建壹個自定義標簽庫

J2EE模式

310-083認證證照：

Sun Certified Web Component Developer for J2EE 5

科目編號 : 310-083

科目名稱 : Sun Certified Web Component Developer for J2EE 5

題型：多選題和拖放題

題目數量: 69

通過成績: 62% (69道題目答對44題)

時間: 135分鍾

更多IT認證考試科目代碼分享：

 000-032