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