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