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