McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Master of Science in Information Technology (MSc IT) , Master of Science in Computer Science (MSc CS) , Bachelor of Business Administration in Computer Applications (BBA [CA]) , Programming Languages , Master of Science in Software Engineering (MSc SE) .
Chapters
| 51. |
Sessions is a part of the SessionTracking and it is for maintaining the client state at server side. |
| A. | True |
| B. | False |
| C. | none |
| D. | all |
| Answer» A. True | |
| 52. |
When destroy() method of a filter is called? |
| A. | The destroy() method is called only once at the end of the life cycle of a filter |
| B. | The destroy() method is called after the filter has executed doFilter method |
| C. | The destroy() method is called only once at the begining of the life cycle of a filter |
| D. | The destroyer() method is called after the filter has executed |
| Answer» A. The destroy() method is called only once at the end of the life cycle of a filter | |
| 53. |
Web server is used for loading the init() method of servlet. |
| A. | True |
| B. | False |
| C. | none |
| D. | all |
| Answer» A. True | |
| 54. |
Servlets handle multiple simultaneous requests by using threads. |
| A. | True |
| B. | False |
| C. | none |
| D. | all |
| Answer» A. True | |
| 55. |
Which method is used to send the same request and response objects to another servlet in RequestDispacher ? |
| A. | forward() |
| B. | sendRedirect() |
| C. | Both A & B |
| D. | None of the above |
| Answer» A. forward() | |
| 56. |
The sendRedirect() method of HttpServletResponse interface can be used to redirect response to another resource, it may be servlet, jsp or html file |
| A. | True |
| B. | False |
| C. | none |
| D. | all |
| Answer» A. True | |
| 57. |
Which packages represent interfaces and classes for servlet API? |
| A. | javax.servlet |
| B. | javax.servlet.http |
| C. | Both A & B |
| D. | None of the above |
| Answer» C. Both A & B | |
| 58. |
Which class can handle any type of request so that it is protocol-independent? |
| A. | GenericServlet |
| B. | HttpServle |
| C. | Both A & B |
| D. | None of the above |
| Answer» A. GenericServlet | |
| 59. |
Which HTTP Request method is non-idempotent? |
| A. | GET |
| B. | POST |
| C. | Both A & B |
| D. | None of the above |
| Answer» C. Both A & B | |
| 60. |
Which object is created by the web container at time of deploying the project? |
| A. | ServletConfig |
| B. | ServletContext |
| C. | Both A & B |
| D. | None of the above |
| Answer» B. ServletContext | |
| 61. |
What is the lifecycle of a servlet? |
| A. | Servlet class is loaded |
| B. | Servlet instance is created |
| C. | init,Service,destroy method is invoked |
| D. | All mentioned above |
| Answer» D. All mentioned above | |
| 62. |
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? |
| A. | HttpSession |
| B. | URL rewriting |
| C. | Cookies |
| D. | Hidden form fields |
| Answer» C. Cookies | |
| 63. |
Which are the examples of Application Server? |
| A. | Apache |
| B. | Tomcat |
| C. | JBoss |
| D. | Weblogic |
| Answer» C. JBoss | |
| 64. |
How many techniques are used in Session Tracking? |
| A. | 4 |
| B. | 3 |
| C. | 2 |
| D. | 5 |
| Answer» A. 4 | |
| 65. |
In HTTP Request method Get request is secured because data is exposed in URL bar |
| A. | True |
| B. | False |
| C. | none |
| D. | all |
| Answer» B. False | |
| 66. |
In the following statements identify the disadvantages of CGI? |
| A. | If number of clients increases, it takes more time for sending response |
| B. | For each request, it starts a process and Web server is limited to start processes |
| C. | It uses platform dependent language e.g. C, C++, perl |
| D. | All mentioned above |
| Answer» D. All mentioned above | |
| 67. |
Servlet technology is used to create web application |
| A. | True |
| B. | False |
| C. | none |
| D. | all |
| Answer» A. True | |
| 68. |
Which method is used to specify before any lines that uses the PintWriter? |
| A. | setPageType() |
| B. | setContextType() |
| C. | setContentType() |
| D. | setResponseType() |
| Answer» C. setContentType() | |
| 69. |
What are functions of Servlet container? |
| A. | Lifecycle management |
| B. | Communication Support |
| C. | Multithreading Support |
| D. | All of the above |
| Answer» D. All of the above | |
| 70. |
Which object of HttpSession can be used to view and manipulate information about a session? |
| A. | session identifier |
| B. | creation time |
| C. | last accessed time |
| D. | All mentioned above |
| Answer» D. All mentioned above | |
| 71. |
Which methods are used to bind the objects on HttpSession instance and get the objects? |
| A. | setAttribute |
| B. | getAttribute |
| C. | Both A & B |
| D. | None of the above |
| Answer» C. Both A & B | |
| 72. |
Which method take a string not a URL? |
| A. | sendRedirect |
| B. | forward |
| C. | Both |
| D. | None |
| Answer» A. sendRedirect | |
| 73. |
Which of the following are interface?
|
| A. | 1,2,3,4 |
| B. | 1,2 |
| C. | 1,2,3 |
| D. | 1,4 |
| Answer» B. 1,2 | |
| 74. |
The life cycle of a servlet is managed by |
| A. | servlet context |
| B. | servlet container |
| C. | the supporting protocol (such as http or https) |
| D. | All of the above |
| Answer» B. servlet container | |
| 75. |
Which of the following code is used to get an attribute in a HTTP Session object in servlets? |
| A. | session.getAttribute(String name) |
| B. | session.alterAttribute(String name) |
| C. | session.updateAttribute(String name) |
| D. | session.setAttribute(String name) |
| Answer» A. session.getAttribute(String name) | |
| 76. |
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 |
| A. | i, ii, iii are correct |
| B. | i, ii are correct |
| C. | i, iii are correct |
| D. | i, ii, iii, iv are correct |
| Answer» B. i, ii are correct | |
| 77. |
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 |
| A. | i, ii, iii, vi |
| B. | i, ii, iv, v |
| C. | i, vi, iii, v |
| D. | i, ii, iii, v |
| Answer» B. i, ii, iv, v | |
| 78. |
A deployment descriptor describes |
| A. | Web component response settings |
| B. | Web component setting |
| C. | Web component request objects |
| D. | All of the above |
| Answer» B. Web component setting | |
| 79. |
The values of <servlet-name> and <servlet-class> in web.xml file |
| A. | must be same |
| B. | must not be same |
| C. | may be same |
| D. | None of the above |
| Answer» C. may be same | |
| 80. |
Which one is the correct order of phases in JSP life cycle? |
| A. | Initialization, Cleanup, Compilation, Execution |
| B. | Initialization, Compilation, Cleanup, Execution |
| C. | Compilation, Initialization, Execution, Cleanup |
| D. | Cleanup, Compilation, Initialization, Execution |
| Answer» C. Compilation, Initialization, Execution, Cleanup | |
| 81. |
Which technology do we mix our business logic with the presentation logic? |
| A. | Servlet |
| B. | JSP |
| C. | Both A and B |
| D. | None of the above |
| Answer» A. Servlet | |
| 82. |
Which attribute specifies a JSP page that should process any exceptions thrown but not caught in the current page? |
| A. | The ErrorPage Attribute |
| B. | The IsErrorPage Attribute |
| C. | Both A & B |
| D. | None of the above |
| Answer» A. The ErrorPage Attribute | |
| 83. |
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. |
| A. | True |
| B. | False |
| C. | none |
| D. | all |
| Answer» A. True | |
| 84. |
Which of the following is an advantage of the statement – Separation of business logic from JSP ? |
| A. | Custom Tags in JSP |
| B. | JSP Standard Tag Library |
| C. | All the above |
| D. | None of the above |
| Answer» A. Custom Tags in JSP | |
| 85. |
JSPs eventually are compiled into Java servlets, you can do as much with JSPs as you can do with Java servlets. |
| A. | True |
| B. | False |
| C. | none |
| D. | all |
| Answer» A. True | |
| 86. |
JavaServer Pages often serve the same purpose as programs implemented using the Common Gateway Interface (CGI) |
| A. | True |
| B. | False |
| C. | none |
| D. | all |
| Answer» A. True | |
| 87. |
Which is the Microsoft solution for providing dynamic Web content? |
| A. | ASP |
| B. | JSP |
| C. | Both A and B |
| D. | None of the above |
| Answer» A. ASP | |
| 88. |
Which tag is used to execute java source code in JSP? |
| A. | Declaration Tag |
| B. | Scriptlet tag |
| C. | Expression tag |
| D. | None of the above |
| Answer» B. Scriptlet tag | |
| 89. |
A JSP page consists of which tags? |
| A. | HTML tags |
| B. | JSP tags |
| C. | Both A & B |
| D. | None of the above |
| Answer» C. Both A & B | |
| 90. |
Which packages does a JSP API consist of? |
| A. | javax.servlet.jsp |
| B. | java.servlet |
| C. | javax.servlet.jsp.tagext |
| D. | Both A & C |
| Answer» D. Both A & C | |
| 91. |
Which of the scripting of JSP not putting content into service method of the converted servlet? |
| A. | Declarations |
| B. | Scriptlets |
| C. | Expressions |
| D. | None of the above |
| Answer» C. Expressions | |
| 92. |
The difference between Servlets and JSP is the ……………. |
| A. | translation |
| B. | compilation |
| C. | syntax |
| D. | Both A and B |
| Answer» C. syntax | |
| 93. |
Which of the following are the valid scopes in JSP? |
| A. | request, page, session, application |
| B. | request, page, session, global |
| C. | response, page, session, application |
| D. | request, page, context, application |
| Answer» A. request, page, session, application | |
| 94. |
JSP includes a mechanism for defining …………………………. or custom tags. |
| A. | static attributes |
| B. | local attributes |
| C. | dynamic attributes |
| D. | global attributes |
| Answer» C. dynamic attributes | |
| 95. |
Why DB connections are not written directly in JSPs? |
| A. | Response is slow |
| B. | Not a standard J2EE architecture |
| C. | Load Balancing is not possible |
| D. | Both B and C |
| Answer» D. Both B and C | |
| 96. |
Which is not a directive? |
| A. | include |
| B. | page |
| C. | export |
| D. | taglib |
| Answer» C. export | |
| 97. |
Which http method send by browser that asks the server to get the page only? |
| A. | get |
| B. | option |
| C. | put |
| D. | post |
| Answer» A. get | |
| 98. |
Which tag should be used to pass information from JSP to included JSP? |
| A. | Using <%jsp:page> tag |
| B. | Using <%jsp:param> tag |
| C. | Using <%jsp:import> tag |
| D. | Using <%jsp:useBean> tag |
| Answer» B. Using <%jsp:param> tag | |
| 99. |
_jspService() method of HttpJspPage class should not be overridden. |
| A. | True |
| B. | False |
| C. | none |
| D. | all |
| Answer» A. True | |
| 100. |
Which is not a directive? |
| A. | include |
| B. | page |
| C. | export |
| D. | useBean |
| Answer» C. export | |
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