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