Servlet and Overview

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This set of Advanced JAVA Multiple Choice Questions & Answers (MCQs) focuses on Servlet and Overview

Q1 | Which HTTP Request method is non-idempotent?
  • GET
  • POST
  • Both A & B
  • None of the above
Answer: Both A & B
Q2 | Which object is created by the web container at time of deploying the project?
  • ServletConfig
  • ServletContext
  • Both A & B
  • None of the above
Answer: ServletContext
Q3 | What is the lifecycle of a servlet?
  • Servlet class is loaded
  • Servlet instance is created
  • init,Service,destroy method is invoked
  • All mentioned above
Answer: All mentioned above
Q4 | Which method in session tracking is used in a bit of information that is sent by a web server to a browser and which can later be read back from that browser?
  • HttpSession
  • URL rewriting
  • Cookies
  • Hidden form fields
Answer: Cookies
Q5 | Which are the examples of Application Server?
  • Apache
  • Tomcat
  • JBoss
  • Weblogic
Answer: JBoss
Q6 | How many techniques are used in Session Tracking?
  • 4
  • 3
  • 2
  • 5
Answer: 4
Q7 | In HTTP Request method Get request is secured because data is exposed in URL bar
  • True
  • False
  • none
  • all
Answer: False
Q8 | In the following statements identify the disadvantages of CGI?
  • If number of clients increases, it takes more time for sending response
  • For each request, it starts a process and Web server is limited to start processes
  • It uses platform dependent language e.g. C, C++, perl
  • All mentioned above
Answer: All mentioned above
Q9 | Servlet technology is used to create web application
  • True
  • False
  • none
  • all
Answer: True
Q10 | Which method is used to specify before any lines that uses the PintWriter?
  • setPageType()
  • setContextType()
  • setContentType()
  • setResponseType()
Answer: setContentType()
Q11 | What are functions of Servlet container?
  • Lifecycle management
  • Communication Support
  • Multithreading Support
  • All of the above
Answer: All of the above
Q12 | Which object of HttpSession can be used to view and manipulate information about asession?
  • session identifier
  • creation time
  • last accessed time
  • All mentioned above
Answer: All mentioned above
Q13 | Which methods are used to bind the objects on HttpSession instance and get the objects?
  • setAttribute
  • getAttribute
  • Both A & B
  • None of the above
Answer: Both A & B
Q14 | Which method take a string not a URL?
  • sendRedirect
  • forward
  • Both
  • None
Answer: sendRedirect
Q15 | Which of the following are interface? 1. ServletContext 2. Servlet 3. GenericServlet 4. HttpServlet
  • 1,2,3,4
  • 1,2
  • 1,2,3
  • 1,4
Answer: 1,2
Q16 | The life cycle of a servlet is managed by
  • servlet context
  • servlet container
  • the supporting protocol (such as http or https)
  • All of the above
Answer: servlet container
Q17 | Which of the following code is used to get an attribute in a HTTP Session object inservlets?
  • session.getAttribute(String name)
  • session.alterAttribute(String name)
  • session.updateAttribute(String name)
  • session.setAttribute(String name)
Answer: session.getAttribute(String name)
Q18 | What is the difference between servlets and applets?i. Servlets execute on Server; Applets execute on browser ii. Servlets have no GUI; Applet has GUI iii. Servlets creates static web pages; Applets creates dynamic web pages iv. Servlets can handle only a single request; Applet can handle multiple requests
  • i, ii, iii are correct
  • i, ii are correct
  • i, iii are correct
  • i, ii, iii, iv are correct
Answer: i, ii are correct
Q19 | Which are the session tracking techniques?i. URL rewriting ii. Using session object iii.Using response object iv. Using hidden fields v. Using cookies vi. Using servlet object
  • i, ii, iii, vi
  • i, ii, iv, v
  • i, vi, iii, v
  • i, ii, iii, v
Answer: i, ii, iv, v
Q20 | A deployment descriptor describes
  • Web component response settings
  • Web component setting
  • Web component request objects
  • All of the above
Answer: Web component setting
Q21 | The values of and in web.xml file
  • must be same
  • must not be same
  • may be same
  • None of the above
Answer: may be same
Q22 | Which one is the correct order of phases in JSP life cycle?
  • Initialization, Cleanup, Compilation, Execution
  • Initialization, Compilation, Cleanup, Execution
  • Compilation, Initialization, Execution, Cleanup
  • Cleanup, Compilation, Initialization, Execution
Answer: Compilation, Initialization, Execution, Cleanup
Q23 | Which technology do we mix our business logic with the presentation logic?
  • Servlet
  • JSP
  • Both A and B
  • None of the above
Answer: Servlet
Q24 | Which attribute specifies a JSP page that should process any exceptions thrown but not caught in the current page?
  • The ErrorPage Attribute
  • The IsErrorPage Attribute
  • Both A & B
  • None of the above
Answer: The ErrorPage Attribute
Q25 | The ASP and JSP technologies are quite similar in the way they support the creation of Dynamic pages, using HTML templates, scripting code and components for business logic.
  • True
  • False
  • none
  • all
Answer: True
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