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