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