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