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