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Jsp设计的一个小小的考试系统 适合大学生使用的 我是李洪成

<TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif">Code that deals 
with logic that relates to client scope</FONT></TD></TR>
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<P>
<!-- Question 6 --> 

<LI><FONT FACE="Verdana, Arial, Helvetica, sans-serif">Choose the statement that 
best describes how to connect JSP pages and EJBs</FONT>
<BR>
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<TR><TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif"><INPUT NAME="six" 
TYPE="RADIO" VALUE="A"> &nbsp;A.</FONT></TD>
<TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif">Lookup the EJBs from 
within a JSP, but use the EJBs from within a basic JavaBean</FONT></TD></TR>
<TR><TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif"><INPUT NAME="six" 
TYPE="RADIO" VALUE="B"> &nbsp;B.</FONT></TD>
<TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif">Lookup and use the EJBs 
from a separate business delegate. The JavaBeans that work with JSP pages are 
clients to these business delegates and know nothing about EJB 
specifics</FONT></TD></TR>
<TR><TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif"><INPUT NAME="six" 
TYPE="RADIO" VALUE="C"> &nbsp;C.</FONT></TD>
<TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif"> Lookup and use the 
EJBs from within a JSP page, but only as remote references</FONT></TD></TR>
<TR><TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif"><INPUT NAME="six" 
TYPE="RADIO" VALUE="D"> &nbsp;D.</FONT></TD>
<TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif">Lookup the EJBs from 
within a servlet, delegating usage to specific JSP pages</FONT></TD></TR>
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<P> 
<!-- Question 7 -->

<LI><FONT FACE="Verdana, Arial, Helvetica, sans-serif"> Are custom tags 
available in JSP 1.0? If not, how else might you implement iteration from 
within a JSP? </FONT>
<BR>
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<TR><TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif"><INPUT NAME="seven" 
TYPE="RADIO" VALUE="A"> &nbsp;A.</FONT></TD>
<TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif"> Yes, but the only tags 
available relate to database access</FONT></TD></TR>
<TR><TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif"><INPUT NAME="seven" 
TYPE="RADIO" VALUE="B"> &nbsp;B.</FONT></TD>
<TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif"> No. To iterate over a 
collection of values, one must use scriptlet code</FONT></TD></TR>
<TR><TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif"><INPUT NAME="seven" 
TYPE="RADIO" VALUE="C"> &nbsp;C.</FONT></TD>
<TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif"> No, but there is a 
standard &lt;iterate&gt; tag that may be used</FONT></TD></TR>
<TR><TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif"><INPUT NAME="seven" 
TYPE="RADIO" VALUE="D"> &nbsp;D.</FONT></TD>
<TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif"> Yes, but custom tags 
will not help developers create tags for use in iterating over a 
collection</FONT></TD></TR>
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<P> 
<!-- Question 8 -->

<LI><FONT FACE="Verdana, Arial, Helvetica, sans-serif"> What is the initial 
contact point for handling a web request in a <I>Page-Centric</I> architecture? 
</FONT>
<BR>
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<TR><TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif"><INPUT NAME="eight" 
TYPE="RADIO" VALUE= "A"> &nbsp;A.</FONT></TD>
<TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif"> A JSP 
page</FONT></TD></TR>
<TR><TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif"><INPUT NAME="eight" 
TYPE="RADIO" VALUE= "B"> &nbsp;B.</FONT></TD>
<TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif"> A 
JavaBean</FONT></TD></TR>
<TR><TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif"><INPUT NAME="eight" 
TYPE="RADIO" VALUE= "C"> &nbsp;C.</FONT></TD>
<TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif"> A 
servlet</FONT></TD></TR>
<TR><TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif"><INPUT NAME="eight" 
TYPE="RADIO" VALUE= "D"> &nbsp;D.</FONT></TD>
<TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif"> A session 
manager</FONT></TD></TR>
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<P>
<!-- Question 9 --> 

<LI><FONT FACE="Verdana, Arial, Helvetica, sans-serif">What is the difference 
between doing an <I>include</I> or a <I>forward</I> with a 
<CODE>RequestDispatcher</CODE>?</FONT>
<BR>
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<TR><TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif"><INPUT NAME="nine" 
TYPE="RADIO" VALUE="A"> &nbsp;A.</FONT></TD>
<TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif"> The forward method 
transfers control to the designated resource, while the include method invokes 
the designated resource, substitutes its output dynamically in the display, and 
returns control to the calling page.</FONT></TD></TR>
<TR><TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif"><INPUT NAME="nine" 
TYPE="RADIO" VALUE="B"> &nbsp;B.</FONT></TD>
<TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif"> The two methods 
provide the same functionality, but with different levels of 
persistence</FONT></TD></TR>
<TR><TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif"><INPUT NAME="nine" 
TYPE="RADIO" VALUE="C"> &nbsp;C.</FONT></TD>
<TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif"> The forward method is 
deprecated as of JSP 1.1 and the include method should be used in order to 
substitue portions of a dynamic display at runtime</FONT></TD></TR>
<TR><TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif"><INPUT NAME="nine" 
TYPE="RADIO" VALUE="D"> &nbsp;D.</FONT></TD>
<TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif"> The include method 
transfers control to a dynamic resource, while the forward method allows for 
dynamic substitution of another JPS pages output, returning control to the 
calling resource</FONT></TD></TR>
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<P> 
<!-- Question 10 -->
<LI><FONT FACE="Verdana, Arial, Helvetica, sans-serif"> What line of code below 
might be combined in the same JSP page with a validation guard (for 
example,<code> &lt;% bean.validationGuard(); %&gt;</code> ), in order to create 
an alternate flow of control for scenarios in which exceptions arise. The 
<code>validationGaurd</code> method might throw an exception, which should cause 
the flow of control to continue in another user-defined page (assume JSP 
1.0)</FONT>
<BR>
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<TR><TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif"><INPUT NAME="ten" 
TYPE="RADIO" VALUE="A"> &nbsp;A.</FONT></TD>
<TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif"> <CODE>&lt;jsp:error 
page="errorPage.jsp" guard="true" /&gt;</CODE></FONT></TD></TR> 
<TR><TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif"><INPUT NAME="ten" 
TYPE="RADIO" VALUE="B"> &nbsp;B.</FONT></TD>
<TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif"> <CODE>&lt;%@ page 
language="java" buffer="8k" %&gt;</CODE>
</FONT></TD></TR>
<TR><TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif"><INPUT NAME="ten" 
TYPE="RADIO" VALUE="C"> &nbsp;C.</FONT></TD>
<TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif"> <CODE>&lt;jsp:useBean 
id="bean" class="examples.Bean" scope="request" /&gt;</CODE></FONT></TD></TR>
<TR><TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif"><INPUT NAME="ten" 
TYPE="RADIO" VALUE="D"> &nbsp;D.</FONT></TD>
<TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif"><CODE> &lt;%@ page 
language="java" errorPage="errorPage.jsp" buffer="8k" 
%&gt;</CODE></FONT></TD></TR>
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<DIV ALIGN="CENTER">
<INPUT TYPE="SUBMIT" VALUE="Submit">
<INPUT TYPE="RESET">
</DIV>
</FORM>

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