Ajax MCQ Questions & Answers

Ajax MCQs : This section focuses on "Basics" of Ajax. These Multiple Choice Questions (MCQ) should be practiced to improve the Ajax skills required for various interviews (campus interview, walk-in interview, company interview), placements, entrance exams and other competitive examinations.

1. What is true about Ajax?

A. AJAX is a web development technique for creating interactive web applications.
B. Ajax update a web page without reloading the page
C. Ajax request data from a server - after the page has loaded
D. All of the above

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2. AJAX stands for ?

A. Asynchronous JavaScript and XML
B. Asynchronous Java and XML
C. Asynchronous JavaScript and XHTML
D. Applications JavaScript and XML

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3. AJAX is a programming language.

A. TRUE
B. FALSE
C. Can be true or false
D. Can not say

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4. AJAX is the most viable __________ technology.

A. CIA
B. FIA
C. RIA
D. ZIA

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5. In Ajax, Data is stored in?

A. XML
B. XHTML
C. XPHP
D. ASP.NET

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6. What are the advantages of Ajax?

A. Bandwidth utilization
B. More interactive
C. Speeder retrieval of data
D. All of the above

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7. Which of the following are the features of an HTTP request?

A. URL being requested
B. Optional request body
C. Both A and B
D. None of the above

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8. AJAX is a web browser technology independent of web server software.

A. TRUE
B. FALSE
C. Can be true or false
D. Can not say

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9. Which of the below is a lieral reverse of Ajax?

A. HTTP
B. Comet
C. XML
D. HTML

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10. What are the controls of Ajax?

A. ScriptManager
B. ScriptManagerProxy
C. UpdatePanel
D. All of the above

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11. The keystone of AJAX is the?

A. XML
B. HTTP
C. XMLHttpRequest
D. XMLHttp

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12. It has been available ever since?

A. Internet Explorer 5.5 
B. Internet Explorer 4.0 
C. Internet Explorer 4.5 
D. Internet Explorer 5.1

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13. Which of the following is correct Syntax for creating an XMLHttpRequest object?

A. variable = XMLHttpRequest();
B. variable = new XMLHttpRequest();
C. variable = new.XMLHttpRequest();
D. variable = get.XMLHttpRequest();

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14. XMLHttpRequest (XHR) is an API that can be used by ?

A. Javascript
B. JScript
C. VBScript
D. All of the above

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15. In Ajax, abort() is used for?

A. Returns the current request
B. Returns specific request information
C. Cancels the current request
D. Abort a new XMLHttpRequest object

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16. In readyState, 1 defines?

A. request not initialized
B. server connection established
C. processing request
D. request finished and response is ready

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17. In status is 200 then, it defines?

A. Not Found
B. Forbidden
C. OK
D. None of the above

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18. In Ajax, send(string) method defines?

A. Returns specific header information
B. Used for GET requests
C. Adds a label/value pair to the header to be sent
D. Used for POST requests

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19. The XMLHttpRequest object can be used to exchange data with a server behind the scenes

A. TRUE
B. FALSE
C. Can be true or false
D. Can not say

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20. The data returned from XMLHttpRequest calls will often be provided by back-end databases.

A. TRUE
B. FALSE
C. Can be true or false
D. Can not say

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