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