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