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