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