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