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Salesforce Programmatic Development using Apex and Visualforce in Lightning Experience Sample Questions (Q62-Q67):

NEW QUESTION # 62
A developer created a Visualforce page with a custom controller to show a list of accounts. The page uses the <apex:SelecList> component, with a variable called "selection", to show the valid values for Account.Type. The page uses an <apex:pageBlockTable> component to display the list of accounts, where the iteration variable is "acct". The developer wants to ensure that when a user selects a type on the <apex : selectList> component, only accounts with that type are shown on the page. What should the developer do to accomplish this?

A. Add the Rendered={!Acct.type==selection} attribute to the pageBlockTable component
B. Create a component for each option and use a variable with hide parameter on the element.
C. Create multiple lists in the controller that represent the relevant accounts for each account type when the page loads, then reference the correct one dynamically on the pageBlockTable.
D. Use the onChange event to update the list of accounts in the controller when the value changes, and then re-render the pageBlockTable.

Answer: D

NEW QUESTION # 63
A developer considers the following snippet of code:

Based on this code, what is the value of x?

A. 0
B. 1
C. 2
D. 3

Answer: A

NEW QUESTION # 64
Which two statements are true about Getter and Setter methods as they relate to Visualforce?

A. A corresponding Setter method is required for each Getter method.
B. Getter methods pass values from a controller to a page.
C. Setter methods always have to be declared global.
D. There is no guarantee for the order in which Getter methods are called.

Answer: A,B

NEW QUESTION # 65
Refer to the following Apex code:

What is the value of x when it is written to the debug log?

A. 0
B. 1
C. 2
D. 3

Answer: A

NEW QUESTION # 66
A developer working on a time management application wants to make total hours for each timecard available to applications users. A timecard entry has a Master-Detail relationship to a timecard. Which approach should the developer use to accomplish this declaratively?

A. A Roll-up Summary field on the Timecard Object that calculates the total hours from timecard entries for that timecard.
B. An Apex trigger that uses an Aggregate Query to calculate the hours for a given timecard and stores it in a custom field.
C. A Process Builder process that updates a field on the timecard entry is created.
D. A visualforce page that calculates the total number of hours for a timecard and displays it on the page.

Answer: A

NEW QUESTION # 67
......

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