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