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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

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<FONT SIZE="-1"><A HREF="/developer/Quizzes/index.html">Quizzes 
Index</A></FONT></DIV>
<H2 ALIGN="RIGHT"><FONT COLOR="#FFFFFFF">JSP Professional, Chapter 12 
Quiz</FONT></H2>
<H4 ALIGN="RIGHT"><EM>by Dan Malks</EM></H4>

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The <I><A 
HREF="/developer/Books/jsp/index.html">JSP Professional: Chapter 12, JSP 
Archictecture</A></I> Test your knowledge on the differences between servlets 
and JSP, Factor Forward-Factor Back, page-centric verses the dispatcher 
approach, and more. 
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<LI><FONT FACE="Verdana, Arial, Helvetica, sans-serif">Choose the statement 
that best describes the relationship between JavaServer 
Pages<SUP><FONT SIZE="-2">TM</FONT></SUP> (JSP<SUP><FONT SIZE="-2">TM</FONT></SUP>) 
and servlets: </FONT>
<BR>
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<TR><TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif"><INPUT NAME="one" 
TYPE="RADIO" VALUE="A"> &nbsp;A.</FONT></TD>
<TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif">
Servlets are built on JSP semantics and all servlets are compiled to JSP 
pages for runtime usage<BR></FONT></TD></TR>
<TR><TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif"><INPUT NAME="one" 
TYPE="RADIO" VALUE="B"> &nbsp;B.</FONT></TD>
<TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif"> JSP and servlets are 
unrelated technologies</FONT></TD></TR>
<TR><TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif"><INPUT NAME="one" 
TYPE="RADIO" VALUE="C"> &nbsp;C.</FONT></TD>
<TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif">Servlets and JSP are 
competing technologies for handling web requests. Servlets are being superceded 
by JSP, which is preferred. The two technologies are not useful in combination. 
</FONT></TD></TR>
<TR><TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif"><INPUT NAME="one" 
TYPE="RADIO" VALUE="D"> &nbsp;D.</FONT></TD>
<TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif"> JSPs are built on 
servlet semantics and all JSPs are compiled to servlets for runtime usage 
</FONT></TD></TR>
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<LI><FONT FACE="Verdana, Arial, Helvetica, sans-serif">What is a benefit of 
using JavaBeans<SUP><FONT SIZE="-2">TM</FONT></SUP> to separate business logic 
from presentation markup within the JSP environment? </FONT>
<BR>
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<TR><TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif"><INPUT NAME="two" 
TYPE="RADIO" VALUE="A"> &nbsp;A.</FONT></TD>
<TD>
<FONT FACE="Verdana, Arial, Helvetica, sans-serif"> It allows the JSP to 
access middleware </FONT></TD></TR>
<TR><TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif"><INPUT NAME="two" 
TYPE="RADIO" VALUE="B"> &nbsp;B.</FONT></TD>
<TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif">It creates a cleaner 
role separation between the web-production team and the software development 
team, so that the web-production team can focus on presentation markup, while 
the software team can focus on building reusable software components for helping 
to generate dynamic displays </FONT></TD></TR>
<TR><TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif"><INPUT NAME="two" 
TYPE="RADIO" VALUE="C"> &nbsp;C.</FONT></TD>
<TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif">It provides a dynamic 
markup environment, such that JavaBeans are integrated seamlessly with the 
template presentation content, in order to create the dynamic display for the 
client
</FONT></TD></TR>
<TR><TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif"><INPUT NAME="two" 
TYPE="RADIO" VALUE="D"> &nbsp;D.</FONT></TD>
<TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif">It provides the 
developer with full access to the Java<SUP><FONT SIZE="-2">TM</FONT></SUP> 2 
Platform Enterprise Edition (J2EE<SUP><FONT SIZE="-2">TM</FONT></SUP>), 
which is unavailable from outside the JavaBean environment </FONT></TD></TR>
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<P> 
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<LI><FONT FACE="Verdana, Arial, Helvetica, sans-serif">Why use the 
<CODE>RequestDispatcher</CODE> to forward a request to another resource, 
instead of doing a <CODE>sendRedirect</CODE>? </FONT>
<BR>
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<TR><TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif"><INPUT NAME="three" 
TYPE="RADIO" VALUE="A"> &nbsp;A.</FONT></TD>
<TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif"> Redirects are no 
longer supported in the current servlet API</FONT></TD></TR>
<TR><TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif"><INPUT NAME="three" 
TYPE="RADIO" VALUE="B"> &nbsp;B.</FONT></TD>
<TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif"> Redirects are not a 
cross-platform portable mechanism</FONT></TD></TR>
<TR><TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif"><INPUT NAME="three" 
TYPE="RADIO" VALUE="C"> &nbsp;C.</FONT></TD>
<TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif"> The <CODE>RequestDispatcher</CODE> 
does not use the reflection API</FONT></TD></TR>
<TR><TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif"><INPUT NAME="three" 
TYPE="RADIO" VALUE="D"> &nbsp;D.</FONT></TD>
<TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif"> The 
<CODE>RequestDispatcher</CODE> does not require a round trip to the client, and 
thus is more efficient and allows the server to maintain request 
state</FONT></TD></TR>
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<LI><FONT FACE="Verdana, Arial, Helvetica, sans-serif">What alternatives exist 
to embedding Java code directly within the HTML markup of your JSP page?</FONT>
<BR>
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<TR><TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif"><INPUT NAME="four" 
TYPE="RADIO" VALUE="A"> &nbsp;A.</FONT></TD>
<TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif"> Moving the code into 
your session manager</FONT></TD></TR>
<TR><TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif"><INPUT NAME="four" 
TYPE="RADIO" VALUE="B"> &nbsp;B.</FONT></TD>
<TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif"> Moving the code into 
sciptlets</FONT></TD></TR>
<TR><TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif"><INPUT NAME="four" 
TYPE="RADIO" VALUE="C"> &nbsp;C.</FONT></TD>
<TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif"> Moving the code into 
JavaBeans and servlets</FONT></TD></TR>
<TR><TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif"><INPUT NAME="four" 
TYPE="RADIO" VALUE="D"> &nbsp;D.</FONT></TD>
<TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif"> Moving the code into a 
transaction manager</FONT></TD></TR>
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<!-- Question 5 --> 

<LI><FONT FACE="Verdana, Arial, Helvetica, sans-serif"> What type of scriptlet 
code is better-suited to being <I>factored forward</I> into a servlet? 
</FONT>
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<TR><TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif"><INPUT NAME="five" 
TYPE="RADIO" VALUE="A"> &nbsp;A.</FONT></TD>
<TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif">Code that deals 
with logic that is common across requests</FONT></TD></TR>
<TR><TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif"><INPUT NAME="five" 
TYPE="RADIO" VALUE="B"> &nbsp;B.</FONT></TD>
<TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif">Code that deals 
with logic that is vendor specific</FONT></TD></TR>
<TR><TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif"><INPUT NAME="five" 
TYPE="RADIO" VALUE="C"> &nbsp;C.</FONT></TD>
<TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif">Code that deals 
with logic that relates to database access</FONT></TD></TR>
<TR><TD><FONT FACE="Verdana, Arial, Helvetica, sans-serif"><INPUT NAME="five" 
TYPE="RADIO" VALUE="D"> &nbsp;D.</FONT></TD>