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