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