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