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Test your basic knowledge |

Subject : it-skills
Instructions:
  • Answer 36 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. An object that allows requests to be made to the server without interrupting other browser tasks. Its an object and objects contain properties. The properties are: readyState - responseText - responseXML - status - statusText






2. symbol used to return the DOM object representing the element with a given id (replaces document.getElementById)






3. XMLHttpRequest to pass header name and get response.






4. It can access surrounding local variables






5. Parameters of Prototype's Ajax.Request: object- URL of request - ________






6. new Ajax.Request("file.php" - { method:"get" - parameters: {zip:valueOfZipCode} - onSuccess: displayCityState } );






7. At its core ________ is a way of showing data in a text format that is parsable. Without an associated style file.






8. A lightweight data-interchange format






9. The real value of XML HTTP request is in the way it is ________.






10. Sends request to server






11. Auto-completes from an array of choices






12. Ajax helps make more ________ sites






13. Everything in a document - everything in a browser window is an object. When we talk about these objects the word for that is model. Documents on a webpage = the DOM.






14. Options that can be passed to the ____________: method (get or post) - parameters to pass to the server






15. AJAX files ______________: Cannot be run from web page stored on hard drive - can only be run on web page stored on a web server






16. XML Allows you to use __________ as well because XML is a document.






17. 404 status message






18. This holds the status of the XMLHttpRequest - is set several times by the web server when the server is processing the request - values from 0-4 (4 implies that the request is completely processed by server)






19. Handler that runs whenever readyState changes






20. Objects have properties such as the title tag on a page is a property of _________. Properties themselves are objects.






21. A group of interrelated web development techniques used on the client-side to create interactive web applications - Loading information using JavaScript from a web server without refreshing the page. Asynchronous requests may be made and responses ar






22. 500 status message






23. 400 status message






24. 403 status message






25. Script to use _________: <script type="text/javascript" src=" http://ajax.googleapis.com/ajax/libs/prototype/1.6.0.3/prototype.js "></script>






26. Makes the necessary arrangements for the server






27. Way of encoding parameters into a URL (parameter1=value1&parameter2=value2)(parameters are preceded by a ?)






28. 200 status message






29. The core Javascript object that makes Ajax possible. Can fetch files from a web server






30. Process to sending ___________: create request object(var ajax= new XMLHTTPRequest())- attach event handler to onreadystatechange(ajax.onreadystatechange = function) - open a connection (ajax.open("get" -url -true); makes arrangements for the server






31. A set of useful additional objects - methods - and cross-browser compatibility fixes






32. Stores the value returned when send() is finished






33. 401 status message






34. JavaScript library built on top of Prototype that adds visual effects - drag and drop - and others (auto complete - in-place editors)






35. Fetches and displays list of choices using Ajax






36. User can keep interacting with page while data loads






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