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