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