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