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