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