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