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