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