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Oracle 1Z0-899 問題練習

Java EE 6 Web Component Developer Certified Expert Exam 試験

最新更新時間: 2019/07/07,合計185問。

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Question No : 1
A web application wants to expose to its clients an operation that results in a transaction being performed across several systems, for example the transfer of money from one bank account to another
Which HTTP method should it use?

正解:
Explanation:
Reference: http://en.wikipedia.org/wiki/POST_(HTTP)

Question No : 2
Your web application requires the ability to load and remove web files dynamically to the web container’s file system?
Which two HTTP methods are used to perform these actions? (Choose two)

正解:

Question No : 3
</form>
Which HTTP method is used when sending this request from the browser?

正解:

Question No : 4
You are creating a new ISP page and you need to execute some code that acts when the- page is first executed, but only once.
Which three are possible mechanisms for performing this initialization code? (Choose three)

正解:

Question No : 5
Which annotation specifies the metadata as a javax.servlet.http.HttpSessionListener?

正解:
Explanation:
Reference: http://docs.oracle.com/cd/E12840_01/wls/docs103/webapp/annotateservlet.html (table 8-1, third row)

Question No : 6
Which code snippet specifies the metadata for a servlet with:
(i) url mapping “/mytest”’
(ii) Initial parameter with name “debug” and value “10”’
(iii) Support asynchronous operation?

正解:

Question No : 7
Which defines the welcome files in a web application deployment descriptor?

正解:

Question No : 8
Given a jar file packaged with three web fragments with names X, Y and Z respectively.
Which of the following deployment descriptor, web.xml, snippets correspond to the web fragment processing orders of X, Y, Z?
(i) <absolute-ordering>
<name>X</name>
<name>Y</name>
<name>Z</name>
</absolute-ordering>
(ii) <absolute-ordering>
<name>X</name>
<name>Y</name>
</absolute-ordering>
(iii) <absolute-ordering>
</others>
<name>Y</name>
<name>Z</name>
</absolute-ordering>
(iv) <absolute-ordering>
<name>X</name>
</others>
<name>Z</name>
</absolute-ordering>
(v) <absolute-ordering>
<name>X</name>
<name>Y</name>
</others>
</absolute-ordering>

正解:
Explanation:
Reference: http://blogs.oracle.com/swchan/entry/servlet_3_0_web_fragment

Question No : 9
The jquery_1_3_2.jar file contains the JQuery Ajax framework in its META-INF/ resources directory.
Where should the jar file be placed inside the web application to ensure the resources it contains are accessible by clients?

正解:
Explanation:
Reference: http://www.ibm.com/developerworks/websphere/library/techarticles/0112_deboer/deboer.html (topic: web modules, third paragraph)

Question No : 10
In which two locations can library dependencies be defined for a web application? (Choose two)

正解:

Question No : 11
Which two actions protect a resource file from direct HTTP access within a web application? (Choose two)

正解:

Question No : 12
A popular Ajax framework and its companion widget library contain several hundreds of files of different types (.js, .ess, .html). Your company has mandated that all its web applications use only specific versions of this framework approved by IT and repackaged internally as jar files. Furthermore, web applications should only include the entire jar, without subsetting or modification.
Where should the framework's files be placed inside a jar file to enable this kind of reuse?

正解:

Question No : 13
A cookie may be set to be an HttpOnly cookie. Setting a cookie to be HttpOnly results in (Choose two)

正解:
Explanation:
Reference: http://docs.oracle.com/javaee/6/api/javax/servlet/http/Cookie.html

Question No : 14
Which two statements are true about the security-related tags in a valid Java EE deployment descriptor? (Choose two)

正解:

Question No : 15
Which element of a web application deployment descriptor <web-resource-collection> element is used to specify a HTTP method to which the corresponding <security-constraint> will not apply?

正解:
Explanation:
Reference: http://java.sun.com/xml/ns/javaee/web-common_3_0.xsd (search http-method-omission)

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