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