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