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