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