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