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