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