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