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