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