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