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Which of these is a correct fragment within the web-app element of deployment descriptor? Select one correct answer. A. 404 /error.jsp B. /error.jsp mypackage.MyException 404 C. mypackage My Exception 404

Which of these is a correct fragment within the web-app element of deployment descriptor? Select one correct answer. A. 404 /error.jsp B. /error.jsp mypackage.MyException 404 C. mypackage My Exception 404

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Which of these is a correct fragment within the web-app element of deployment descriptor? Select one correct answer. A. <error-page> <error-code>404</error-code> <location>/error.jsp</location> </error-page> B. <error-page> <exception-type>mypackage.MyException</exception-type> <location>/error.jsp</location> </error-page> <error-code>404</error-code> C. <error-page> <exception-type>mypackage.MyException</exception-type> <error-code>404</error-code> </error-page>
Transcribed Image Text:Which of these is a correct fragment within the web-app element of deployment descriptor? Select one correct answer. A. <error-page> <error-code>404</error-code> <location>/error.jsp</location> </error-page> B. <error-page> <exception-type>mypackage.MyException</exception-type> <location>/error.jsp</location> </error-page> <error-code>404</error-code> C. <error-page> <exception-type>mypackage.MyException</exception-type> <error-code>404</error-code> </error-page>
Identify the technique that can be used to implement 'sessions' if the client browser does not support cookies. (Choose one) A. URL rewriting B. It cannot be done without cookie support. C. Using Http headers. Given the following deployment descriptor: <web-app> <context-param> <param-name>jdbcDriver</param-name> <param-value>sun.jdbc.odbc.JdbcOdbc Driver</param-value> </context-param> <servlet> <servlet-name>InitParams</servlet-name> <servlet-class>InitParams Servlet</servlet-class> </servlet> </web-app> What is the outcome of running the following servlet? (Choose one.) public class InitParams Servlet extends HttpServlet { protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { ServletContext sc=this.getServletContext(); Print Writer out = response.getWriter(); out.write("Initialization Parameter is: " + sc.getInitParameter("jdbc Driver")); A. A runtime error B. "Initialization Parameter is: sun.jdbc.odbc.JdbcOdbcDriver" returned to the requester C. "Initialization Parameter is: null" returned to the requester
Transcribed Image Text:Identify the technique that can be used to implement 'sessions' if the client browser does not support cookies. (Choose one) A. URL rewriting B. It cannot be done without cookie support. C. Using Http headers. Given the following deployment descriptor: <web-app> <context-param> <param-name>jdbcDriver</param-name> <param-value>sun.jdbc.odbc.JdbcOdbc Driver</param-value> </context-param> <servlet> <servlet-name>InitParams</servlet-name> <servlet-class>InitParams Servlet</servlet-class> </servlet> </web-app> What is the outcome of running the following servlet? (Choose one.) public class InitParams Servlet extends HttpServlet { protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { ServletContext sc=this.getServletContext(); Print Writer out = response.getWriter(); out.write("Initialization Parameter is: " + sc.getInitParameter("jdbc Driver")); A. A runtime error B. "Initialization Parameter is: sun.jdbc.odbc.JdbcOdbcDriver" returned to the requester C. "Initialization Parameter is: null" returned to the requester
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