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