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