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