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