当前分类： SCDCD(310-081)
问题：单选题A developer is designing a multi-tier web application and discovers a need to log each incoming client request. Which two patterns， taken independently， provide a solution for this problem？ （）A Transfer ObjectB Service LocatorC Front ControllerD In...
查看答案
问题：单选题A JSP page needs to perform some operations before servicing the first request. Where can this be done？（）A within a method called jspInitB within the page directive of the JSP pageC within a scriptlet at the top of the JSP pageD within the XML ele...
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A JSP page needs to instantiate a JavaBean to be used by only that page. Which two jsp：useBean attributes must be used to access this attribute in the JSP page？（）AidBtypeCnameDclassEscopeFcreate...
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 u...
问题：单选题A developer for the Company.com web site has been told that users may turn off cookie support in their browsers. What must the developer do to ensure that these customers can still use the web application？（）A The developer must ensure that every URL i...
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：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：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（）？A The program runs and prints “ I = 1 ， j = 0”B The program runs and prints “ I = 1 ， j = 4”C The program runs and prints “ I = 3 ， j = 4”D The program runs and prints “ I = 3 ， j = 0”E An error at line 4 cause compilatio...
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：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（ ）)...
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 retrieves the binary input stream on line 13？（）A request.get Writer （）：B request.get Reader （）：C request.get Input Stream（）：D request.get Resource As Stream（）：E request.get Resource As Stream （Servlet Request. REQUEST）：...
问题：多选题Given： 1. public class Method Over { 2. public void set Var （int a， int b， float c） { 3. } 4. } Which two overload the set Var method（）？Aprivate void set Var（int a， float c， int b） {}Bprotected void set Var（int a， int b， float c） {}Cpublic int se...
问题：多选题Which four types of object can be thrown using the throw statement？（）AErrorBEventCObjectDExceptionEThrowableFRuntime Exception...
问题：多选题Which the two choices are equivalent？（）A3 / 2B3 2C3 * 4D3 2E3 * 22F3 2...
