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