Pts association 1 pick three items a b or c def or g

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Concepts of Database Management
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Chapter 3 / Exercise 2
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24.(3 pts) Association #1 (pick THREE items): _________ __________ ________ [A, B or C] [D,E,F or G] [H, I or J] 25.(3 pts) Association #2: (pick FOUR items): _________ __________ ________ through _______ [A, B or C] [D,E,F or G] [H, I or J] [K,L or M]
A JavaScript-enhanced Rails app includes a user-visible timer showing how long the user has been on each page. The HTML elements for the timer are set as follows: 1 var MyApp = {2setup: function() {3setupTimerHtml();// function that creates extra elements for timer4},5startTimer: function() { /* starts the timer */ },5 };26.(3 pts) The MyApp.setupfunction must be called:
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Concepts of Database Management
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Chapter 3 / Exercise 2
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27.(3 pts) The MyApp.startTimerfunction must be called:
Select TRUE or FALSE for the next five statements about good practices for enhancing SaaS apps with JavaScript. (Assume the user's browser includes a modern and enabled version of JavaScript.) 28.(1 pts) Your JavaScript functions must not block, or the browser UI will become unresponsive.
29.(1 pts) Using JavaScript to validate user input in the browser saves you the duplication of validating that input on the server, thus helping DRY A.True B.False
30.(1 pts) Since XmlHttpRequest is asynchronous, an event handler that wants to communicate state to the AJAX callback should do so via the global object
31.(1 pts) AJAX functionality can be tested even when the server side of the app is not running
32.(1 pts) The server's response to an AJAX request must consist of HTML
RottenPotatoes has just rolled out a new feature that lets you click on the name of an actor and then shows you all recent movies starring that actor. Next to the entry for The American, Ru clicks on George Clooney’s name. Below is a series of steps in the “life cycle” of what happens as a result of that click. Indicate which part of the overall SaaS system is primarily responsible for each step: A.Model B.View C.Controller D.Rails Routing system E.DNS name servers F.Web browser

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