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