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