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