当前分类: SCDCD(310-081)
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 attrib...
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问题:单选题A web application uses the HttpSession mechanism to determine if a user is “logged in”. When a user supplies a valid user name and password, an HttpSession is created for that user. The user has access to the application for only 15 minutes after logg...
问题:多选题Which three are valid values for the body-content attribute of a tag directive in a tag file? ()AELBJSPCemptyDdynamicEscriptlessFtagdependent...
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...
问题:单选题Which thefollowingstatements about static inner classes is true?()A An anonymous class can be declared as static.B A static inner class cannot be a static member of the outer class.C A static inner class does not require an instance of the enclosing...
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 t...
问题:单选题For a given ServletResponse response, which retrieves an object for writing binary data?()A response.getWriter()B response.getOutputStream()C response.getOutputWriter()D response.getWriter().getOutputSTream()E response.getWriter(Writer.OUTPUT_BINA...
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?()A AB BC CD DE E...
问题:单选题} What is the result?()A Compilation succeeds and 1 is printed.B Compilation succeeds and 2 is printed.C An error at line 8 causes compilation to fail.D An error at line 14 causes compilation to fail....
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()?A PUTB GETC INFOD POSTE HEADF TRACE...
问题:单选题Which interface must a class implement to be informed of a session creation event?()A javax.servlet.http.HttpSessionListenerB javax.servlet.http.HttpSessionBindingListenerC javax.servlet.http.HttpSessionCreationListenerD javax.servlet.http.HttpSess...
问题:单选题Which the HTTP method represents a request for information about the supported methods on an HTTP server?()A GETB INFOC HEADD TRACEE OPTIONS...
问题:单选题Which retrieves the value associated with “foo” from within an HttpServlet?()A String value = getServletConfig( ).getParameter(“foo”);B String value = getServletContext( ).getAttribute(“foo”);C Object value = getServletContext( ).getInitParameter...
问题:多选题Which the two are reserved words in Java?()ArunBimportCdefaultDimplement...
问题:单选题What is the result?()A foo has the value””B foo has the value null.C An exception is thrown.D The code will not compile....
问题:单选题Which HttpSession method stores an object in a session?()A put(String name. Object value)B set(String name. Object value)C setAttribute(String name. Object value)D putAttribute(String name. Object value)E addAttribute(String name. Object value)...
问题:单选题Which is the valid identifier?()A falseB defaultC _objectD a-class...
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 initiali...
问题:多选题For an HttpServlet Response response, which two create a custom header()Aresponse.set Header (“X-MyHeader”. “34”):Bresponse.addHeader (“X-MyHeader”. “34”):Cresponse. Set Header (new Http Header (“X-MyHeader”. “34”)):Dresponse.addHeader(new Http Header ...