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