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 makes the local EJB component accessible to the web components in the web application deployment descriptor？（）A AB BC CD D...
问题：单选题A developer wants too use EL to invoke a function using S{my：bloof（“foof”）}. Which is always true？（）A The method invoked by this function must be statie.B The function class must implement the Function interface.C The expression is NOT a valid EL ex...
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 ...
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Which is the valid identifier？（）A falseB defaultC _objectD a-class...
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 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：多选题A Company.com developer chooses to avoid using SingleThreadModel but wants to ensure that data is updated in a thread-safe manner. Which two can support this design goal？（）AStore the data in a local variable.BStore the data in an instance variable.CSt...
问题：单选题Within a web application deployment descriptor， which maps the com.example.LoginServlet servlet to /utils/LoginServlet？（）A AB BC CD D...
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 JSTL code snippet can be used to import content from another web resource？（）A c：import url=*foo.jsp”/ B c：import page=*foo.jsp”/ C c：include url=*foo.jsp”/ D c：include page=*foo.jsp”/ E Importing cannot be done in JSTL. A standard action...
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} 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Given an EL function foo， in namespace func， that requires a long as a parameter and returns a Map， which two are valid invocations of function foo？（）A ${func（1）}B ${foo：func（4）}C ${func：foo（2）}D ${foo（5）：func}E ${func：foo（“easy”）}F ${func：foo（“3...
