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Test your basic knowledge |
Ajax
Start Test
Study First
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. JavaScript library built on top of Prototype that adds visual effects - drag and drop - and others (auto complete - in-place editors)
Ajax.Autocompleter
send (content)
asynchronous requests
Scriptaculous
2. Stores the value returned when send() is finished
send (content)
ajax.responseText
security restrictions
asynchronous requests
3. The real value of XML HTTP request is in the way it is ________.
Not Found
inner anonymous function
XML
asynchronous
4. AJAX files ______________: Cannot be run from web page stored on hard drive - can only be run on web page stored on a web server
asynchronous
JSON (Javascript Object Notation)
Internal server error
security restrictions
5. Script to use _________: <script type="text/javascript" src=" http://ajax.googleapis.com/ajax/libs/prototype/1.6.0.3/prototype.js "></script>
Prototype
Not Found
open
Autocompleter.Local
6. Way of encoding parameters into a URL (parameter1=value1¶meter2=value2)(parameters are preceded by a ?)
Bad Request
object document
query string
XMLHttpRequest object
7. 403 status message
JSON (Javascript Object Notation)
XMLHttpRequest object
DOM inspector
Forbidden
8. It can access surrounding local variables
Ajax.Autocompleter
inner anonymous function
DOM (Document Object Model)
prototype javascript library
9. new Ajax.Request("file.php" - { method:"get" - parameters: {zip:valueOfZipCode} - onSuccess: displayCityState } );
DOM (Document Object Model)
Ok all good
Prototype ajax request
XML
10. Options that can be passed to the ____________: method (get or post) - parameters to pass to the server
Ajax.Request constructor
Ok all good
Bad Request
Unauthorized
11. Parameters of Prototype's Ajax.Request: object- URL of request - ________
Unauthorized
set of options
DOM (Document Object Model)
send (content)
12. The core Javascript object that makes Ajax possible. Can fetch files from a web server
XMLHttpRequest object
XTML HTTP Request (XHR object)
DOM (Document Object Model)
asynchronous interaction
13. User can keep interacting with page while data loads
XML
set of options
Ok all good
asynchronous interaction
14. 400 status message
asynchronous interaction
Bad Request
DOM (Document Object Model)
open
15. 404 status message
getResponseHeader ("headername")
Bad Request
Scriptaculous
Not Found
16. 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
onreadystatechange
ajax (Asynchronous Javascript + XML)
Internal server error
DOM inspector
17. symbol used to return the DOM object representing the element with a given id (replaces document.getElementById)
$
inner anonymous function
set of options
Scriptaculous
18. XMLHttpRequest to pass header name and get response.
inner anonymous function
open
getResponseHeader ("headername")
prototype javascript library
19. Fetches and displays list of choices using Ajax
security restrictions
Ajax.Autocompleter
set of options
open
20. A lightweight data-interchange format
$
Scriptaculous
JSON (Javascript Object Notation)
asynchronous
21. Ajax helps make more ________ sites
XTML HTTP Request (XHR object)
responsive
Ajax.Autocompleter
object document
22. Objects have properties such as the title tag on a page is a property of _________. Properties themselves are objects.
open
Ajax.Request constructor
DOM (Document Object Model)
object document
23. 200 status message
Scriptaculous
readyState property
Prototype ajax request
Ok all good
24. Sends request to server
Ajax.Request constructor
send (content)
DOM (Document Object Model)
Unauthorized
25. At its core ________ is a way of showing data in a text format that is parsable. Without an associated style file.
XML
Unauthorized
JSON (Javascript Object Notation)
Ajax.Autocompleter
26. Makes the necessary arrangements for the server
open
asynchronous interaction
Prototype ajax request
inner anonymous function
27. 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.
DOM (Document Object Model)
JSON (Javascript Object Notation)
set of options
Ok all good
28. A set of useful additional objects - methods - and cross-browser compatibility fixes
prototype javascript library
Ajax.Autocompleter
Internal server error
Prototype ajax request
29. 401 status message
JSON (Javascript Object Notation)
readyState property
Unauthorized
open
30. 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
query string
Ajax.Autocompleter
XTML HTTP Request (XHR object)
Autocompleter.Local
31. XML Allows you to use __________ as well because XML is a document.
DOM inspector
Ok all good
ajax (Asynchronous Javascript + XML)
inner anonymous function
32. Auto-completes from an array of choices
Autocompleter.Local
getResponseHeader ("headername")
security restrictions
onreadystatechange
33. 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)
Bad Request
Forbidden
onreadystatechange
readyState property
34. 500 status message
Not Found
ajax (Asynchronous Javascript + XML)
prototype javascript library
Internal server error
35. Handler that runs whenever readyState changes
onreadystatechange
JSON (Javascript Object Notation)
object document
Scriptaculous
36. 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
asynchronous requests
Bad Request
prototype javascript library
Scriptaculous