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