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