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