Which two from the web application deployment descriptor are valid? (Choose two.)
A. <error-page>
<exception-type>*</exception-type>
<location>/error.html</location>
</error-page>
B. <error-page>
<exception-type>java.lang.Error</exception-type>
<location>/error.html</location>
</error-page>
C. <error-page>
<exception-type>java.lang.Throwable</exception-type>
<location>/error.html</location>
</error-page>
D. <error-page>
<exception-type>java.io.IOException</exception-type>
<location>/error.html</location>
</error-page>
E. <error-page>
<exception-type>NullPointerException</exception-type>
<location>/error.html</location>
</error-page>