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