问题：单选题Which HTTP method has the characteristic that multiple indential requests may produce side effect beyond those of a single request（）？APUTBGETCINFODPOSTEHEADFTRACE
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问题：单选题Which thefollowingstatements about static inner classes is true？（）AAn anonymous class can be declared as static.BA static inner class cannot be a static member of the outer class.CA static inner class does not require an instance of the enclosing class.DInstance member of a static inner class can be referenced using the class name of the staticinner class.
问题：单选题Squeaky Beans Inc. hired an outside consultant to develop their web application. To finish the job quickly， the consultant created several dozen JSP pages that directly communicate with the database. The Squeaky business team has since purchased a set of business objects to model their system， and the Squeaky developer charged with maintaining the web application must now refactor all the JSPs to work with the new system. Which pattern can the developer use to solve this problem？（）ATransfer ObjectBService LocatorCIntercepting FilterDBusiness Delegate
问题：单选题Which is the valid identifier？（）AfalseBdefaultC_objectDa-class
问题：单选题Which the HTTP method represents a request for information about the supported methods on an HTTP server？（）AGETBINFOCHEADDTRACEEOPTIONS
问题：多选题Which two are characteristics of the Intercepting Filter pattern？（）Ait provides centralized request handling for incoming requests.BIt forces resource authentication to be distributed across web components.CIt reduces coupling between presentation-tier clients and underlying business services.DIt can be added and removed unobtrusively， without requiring changes to existing code.EIt allows preprocessing and postprocessing on the incoming requests and outgoing responses.
问题：单选题Which interface must a class implement to be informed of a session creation event？（）Ajavax.servlet.http.HttpSessionListenerBjavax.servlet.http.HttpSessionBindingListenerCjavax.servlet.http.HttpSessionCreationListenerDjavax.servlet.http.HttpSessionActivationListener
问题：多选题Which two authentication mechanisms provide weaker protection than other mechanisms？（）AHTTP Basic AuthenticationBForm Based AuthenticationCHTTP Digest AuthenticationDHTTPS Client Authentication
问题：单选题What is the result（）？A2B4C8D16EThe code will not compile.
问题：单选题Company.com has decided to use the FUBAR Application Server to host their web application. Unfortunately， the FUBAR Application Server uses the server machine’s file system for its JNDI namespace. Every JNDI lookup performed in the web application is translated into a file 1/0 operation， which results in very poor performance. Which J2EE pattern can help with this performance issue？（）ATransfer ObjectBService LocatorCIntercepting FilterDModel-View-Controller
问题：单选题Which element， defined as a child of a element in the web application deployment descriptor， guarantees a servlet will be initialized at the time the application is deployed？（）A<load-on-startup/> B<load-on-startup>1</load-on-startup> C<load-on-startup>-1</load-on-startup> D<load-on-startup>true</load-on-startup>
问题：多选题For which three events can web application event listeners be registered？ （）Awhen a session is createdBafter a servlet is destroyedCwhen a session has timed outDwhen a cookie has been createdEwhen a servlet has forwarded a requestFwhen a session attribute value is changed
问题：多选题Which three are described in the standard web application deployment descriptor？（）Asession configurationBMIME type mappingsCcontext root for the applicationDservlet instance pool configurationEweb container default port bindingsFServletContext initialization parameters
问题：多选题Which the two are true about the JSTL core iteration custom tags？（）AIt may iterate over arrays， collections， maps and strings.BThe body of the tag may contain EL code， but not scripting code.CWhen looping over collections， a loop status object may be used in the tag body.DIt may iterate over a map， but only the key of the mapping may be used in the tag body.EWhen looping over integers （for example begin1=’1’ end=’10’）， a loop status object may not be used in the tag body.
问题：多选题Which three occur during JSP page translation？（）AThe jspInit method is called.BThe JSP page implementation class is created.CThe JSP page implementation class is compiled.DThe JSP page is validated for syntatic correctness.EThe associated tag files are validated for syntatic correctness.
问题：单选题Which option prevents the exception thrown by my：errorProne from invoking the error page mechanism and outputs the message "File not found" in the response？（）AABBCCDDEE
问题：单选题} What is the result？（）ACompilation succeeds and 1 is printed.BCompilation succeeds and 2 is printed.CAn error at line 8 causes compilation to fail.DAn error at line 14 causes compilation to fail.
问题：单选题What is the result（ ）？AThe program prints “0”.BThe program prints “4”.CThe program prints “8”.DThe program prints “12”.EThe code does not compile.
