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1 ******************************************************************** SCWCD Mock Questions : Servlet ******************************************************************** Question No :1 URLConnection instance represents a link for accessing or communicating with the resource at the location? 1. true 2. false Question No :2 When u try to redirect a page after you already have written something in your page, the error encountered is?response has already been committed error? or popularly called 402 error.? 1. true 2. false Question No :3 URL encoding is the method of replacing all the spaces and other extra characters into their corresponding Characters? 1. Decimal 2. Hex 3. Octal 4. Binay Question No :4 All the data is kept at the application server data is kept at the web server?

2 1. Servlet, HTML 2. HTML, Servlet 3. dynamic, static 4. static, dynamic Question No :5 State true or false -- It is possible to call an external application like MSWord by the click on the JSP page or Servlet? 1. true 2. false Question No :6 What is the possible way of communication between applet and Servlet? 1. RMI Communication 2. Socket Communication 3. HTTP Communication (Text-based and object-based) 4. All of the above correct is :4 Question No :7 If the session object is invalidated can it be again regained or refreshed? 1. yes 2. no Question No :8 What is the role played by Servlet in the MVC architecture? 1. Model 2. View 3. Controller

3 Question No :9 The listener is notified when the Servlet context (i.e., the Web application) is initialized and destroyed/ 1. Session Attribute 2. Servlet context attribute 3. Session Listeners 4. Servlet context listeners correct is :4 Question No :10 The listener is notified when attributes are added to, removed from, or replaced in the Servlet context? 1. Session Attribute 2. Servlet context attribute 3. Session Listeners 4. Session context Listeners Question No :11 The listeners are notified when session objects are created, invalidated, or timed out. 1. Servlet context listeners 2. Session Listeners 3. Servlet context attribute 4. Session Attribute Question No :12 There is a limit to the max amount of data that can be stored in the session object? 1. true 2. false

4 Question No :13 The maximum length of the session Id(length identifier) is? 1. 2k 2. 4k 3. 6k 4. 8k Question No :14 The browsers are only required to accept cookies per site? Question No :15 The indicates that the cookie will expire once the browser is closed? 1. cookie.setmaxage(-1) 2. cookie.setmaxage(0) 3. cookie.setmaxage(365) 4. cookie.setmaxage(1) Question No :16 The is used to delete a cookie? 1. cookie.setmaxage(-1) 2. cookie.setmaxage(1) 3. cookie.setmaxage(0) 4. cookie.setmaxage(-2) Question No :17 Which of the option correctly defines the methods in the HttpServelet class?

5 1. protected void doget (ServletRequest request, HttpServletResponse response) throws ServletException, IOException 2. protected void dopost(servletrequest request, HttpServletResponse response) throws ServletException, IOException 3. protected void service(httpservletrequest request, HttpServletResponse response) throws ServletException, IOException Question No :18 If the data being submitted is sensitive, then it's always preferred to use method? 1. doget 2. dopost 3. service Question No :19 The mails can be send from the Servlet by the usage of the following Simple Mail Transfer Protocol (SMTP) implementation in Java. 2. Java Mail API 3. Both a and b 4. Neither a and b Question No :20 Which of the following statements is true for reducing the number of writes to the client from the Servlet? 1. Use StringBuffer instead of String even for concatenating a group of Strings. 2. Avoid writing every small string to client 3. All of the above.

6 Question No :21 The is used to call other Servlet or JSP from the current Servlet? 1. ResponseDispatcher 2. RequestDispatcher 3. ServletInvoker Question No :22 Calling of which of the following method causes unpredictable results in the Servlet.? 1. dopost() 2. doget() 3. System.out.println() 4. System.exit(0); correct is :4 Question No :23 Which of the following statement is true about Servlet chaining? 1. It is the process of chaining the output of one Servlet to the another 2. Need to do special configuration in the Java Web servers for this process to run. 3. This concept has been removed from the standard application for servlets. Question No :24 An HTTP Servlet handles client requests through its service() method. 1. True 2. False

7 3. Can't say Question No :25 The interface provides information to servlets regarding the environment in which they are running? 1. ServletContext 2. Request 3. Session 4. HttpServletRequest Question No :26 Which of the following statements is true about the GenericServlet.? 1. The GenericServlet has a service() method that gets called when a client request is made. 2. As of only Http is implemented completely in GenericServlet 3. GenericServlet is for servlets that might not use HTTP, like for instance FTP service. 4. GenericServlet is called by both incoming requests and the HTTP requests are given to the servlet as they are. Question No :27 The following is the sequence of the life cycle of the servlets 1. init() 2. destroy() 3. service() 1. 1,3,2 2. 2,3,1 3. 1,3,2 4. 1,2,3 Question No :28 Can the argument constructor be used instead of init () to initialize a Servlet?

8 1. Yes 2. No 3. Can't say Question No :29 Which of the following point is true regarding the general and selling point of Servlet? 1. A Servlet can handle multiple requests concurrently, and synchronize requests. 2. Servlet support systems such as online real-time conferencing. 3. Servlet can forward requests to other servers and Servlet. 4. Servlet can be used to balance load among several servers that mirror the same content, and to partition a single logical service over several servers, according to task type or organizational boundaries Question No :30 Which packages in the java provide the writing of the Servlet? 1. java.lang 2. java.io 3. java 4. javax correct is :4 Distribution of this pdf is illegal without permission of techfaq360.com