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