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