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