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