SCWCD(310-083)章节练习(2019.04.28)

单项选择题
You need to create a JavaBean object that is used only within the current JSP page. It must NOT beaccessible to any other page including those that this page might import.Which JSP standard action canaccomplish this goal？（）
A.<jsp：useBean id=’pageBean’ type=’com.example.MyBean’ />
B.<jsp：useBean id=’pageBean’ class=’com.example.MyBean’ />
C.<jsp：makeBean id=’pageBean’ type=’com.example.MyBean’ />
D.<jsp：makeBean id=’pageBean’ class=’com.example.MyBean’ />
单项选择题
Assume the tag handler for a st：simple tag extends Simple Tag Support.In what way can scriptlet code beused in the body of st：simple？（）
A.Set the body content type to JSP in the TLD
B.Scriptlet code is NOT legal in the body of st：simple.
C.Add scripting-enabled="true" to the start tag for the st：simple element
D.Add a pass-through Classic tag with a body content type of JSP to the body of st：simple， and place the scriptlet code in the body of that tag
问答题
Click the ’Select and Place’ button.Place the events in the order they occur.
答案：
多项选择题
You are writing a JSP that includes scriptlet code to declare a List variable and initializes that variable to anArrayList object.Which two JSP code snippets can you use to import these list types？（）
A.<%! import java.util.*； %>
B.<%! import java.util.List；import java.util.ArrayList； %>
C.<%@ page import=’java.util.List’import=’java.util.ArrayList’ %>
D.<%@ import types=’java.util.List’types=’java.util.ArrayList’ %>
E.<%@ page import=’java.util.List，java.util.ArrayList’ %>
F.<%@ import types=’java.util.List，java.util.ArrayList’ %>
多项选择题
In which three directories， relative to a web application’s root， may a tag library descriptor file reside whendeployed directly into a web application？（）
A./WEB-INF
B./META-INF
C./WEB-INF/tlds
D./META-INF/tlds
E./WEB-INF/resources
F./META-INF/resources
多项选择题
Which two are characteristics of the Transfer Object design pattern？（）
A.It reduces network traffic by collapsing multiple remote requests into one.
B.It increases the complexity of the remote interface by removing coarse-grained methods.
C.It increases the complexity of the design due to remote synchronization and version control issues.
D.It increases network performance introducing multiple fine-grained remote requests which return verysmall amounts of data.
问答题
Click the ’Select and Place’ button.Place the events in the order they occur.
答案：
单项选择题
Assume the custom tag my：errorProne always throws a java.lang.RuntimeException with the message "Filenot found." An error page has been configured for this JSP page.Which option prevents the exceptionthrown by my：errorProne from invoking the error page mechanism， and outputs the message "File notfound" in the response？（）
A.<c：try catch="ex"><my：errorProne /></c：try>${ex.message}
B.<c：catch var="ex"><my：errorProne /></c：catch>${ex.message}
C.<c：try>. <my：errorProne />. </c：try>. <c：catch var="ex" />. ${ex.message}
D.<c：try>. <my：errorProne />. <c：catch var="ex" />. ${ex.message}. </c：try>
单项选择题
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 amessage using the java.text.MessageFormat class. The tag will take the resourceKey attribute and a variable number of argument attributes with the format， arg. Here is an example use of this tag and itsoutput： 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.
B.
C.
D.
单项选择题
Which element of a web application deployment descriptor element is required？（）
A.<realm-name>
B.<auth-method>
C.<security-role>
D.<transport-guarantee>
E.<web-resource-collection>