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