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