问题：单选题Which makes the local EJB component accessible to the web components in the web application deployment descriptor？（）AABBCCDD
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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A developer wants too use EL to invoke a function using S{my：bloof（“foof”）}. Which is always true？（）AThe method invoked by this function must be statie.BThe function class must implement the Function interface.CThe expression is NOT a valid EL expression for invoking a function.DThe function must be declared in a web.xml file using the element.EThe function class must have a method with the signature：Void bloof （java.lang.Strings）
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 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Which retrieves the value associated with “foo” from within an HttpServlet？（）AString value = getServletConfig（ ）.getParameter（“foo”）；BString value = getServletContext（ ）.getAttribute（“foo”）；CObject value = getServletContext（ ）.getInitParameter（“foo”）；DString value = getServletContext（ ）.getInitParameter（“foo”）
问题：单选题Which is the valid identifier？（）AfalseBdefaultC_objectDa-class
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 HTTP method has the characteristic that multiple indential requests may produce side effect beyond those of a single request（）？APUTBGETCINFODPOSTEHEADFTRACE
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：单选题Which the HTTP method represents a request for information about the supported methods on an HTTP server？（）AGETBINFOCHEADDTRACEEOPTIONS
问题：单选题1. class A { 2. public byte file Number （ ） { 3. return l; 4. } 5. } 6. 7. Class B extends A { 8. public short getNumber（ ） { 9. return 2; 10. } 11. 12. public short getNumber（ ） { 13. B b = new B（ ）; 14. System.out.printIn(b.getNumber（ ）); 15. } 16. } What is the result（）?ACompilation succeeds and l is printed.BCompilation succeeds and 2 printed.CAn error at line 8 cause compilation to fail.DAn error at line 14 cause complication to fail.EComplication succeeds but an exception is thrown at line 14.
问题：多选题Given： 1. public interface Foo { 2. int k = 4： 3. } Which three are equivalent to line 2？（）Afinal int k = 4：Bpublic int k = 4：Cstatic int k = 4：Dprivate int k = 4：Eabstract int k = 4：Fvolatile int k = 4：Gtransient int k = 4：Hprotected int k = 4：
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：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：单选题Which the statement is true？（）AThe Error class is a Runtime Exception.BNo exceptions are subclasses of Error.CAny statement that may throw an Error must be enclosed in a try block.Dany statement that may throw an Exception must be enclosed in a try block.EAny statement that may throw an Runtime Exception must be enclosed in a try block.
问题：多选题Which the two about WAR files are true？（）AWAR files must be located in the web application library directory.BWAR files must contain the web application deployment descriptor.CWAR files must be created by using archive tools to designed specifically for that purpose.DThe web container must serve the content of any META-INF directory located in a WAR file.EThe web container must allow access to resources in JARs in the web application library directory
问题：单选题Which security mechanism can be directed through the element in a web deployment descriptor（）？AauthorizationBdata integrityCconfidentialityDauthentication
