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