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