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