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