What is the value of x after the code segment executes?String x = 'A';Integer i = 10;if ( i < 15 ) {i = 15;x
'B';} else if ( i < 20 ) {x = 'C';} else {x = 'D'; }

• A.C
• B.B
• C.D
• D.A

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A developer has a Visualforce page and custom controller to save Account records. The developer wants to display any validation rule violations to the user.
How can the developer make sure that validation rule violations are displayed?

• A.Perform the DML using the Database.upsert()method.
• B.Use a try/catch with a custom exception class.
• C.Add custom controller attributes to display the message.
• D.Include <apex:messages>on the Visualforce page.

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Which three statements are true regarding trace flags? (Choose three.)

• A.Setting trace flags automatically cause debug logs to be generated.
• B.Logging levels override trace flags.
• C.Trace flags override logging levels.
• D.If active trace flags are not set, Apex tests execute with default logging levels.
• E.Trace flags can be set in the Developer Console, Setup, or using the Tooling API.

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In which three areas can a Lightning component be used in the Lightning Experience? (Choose three.)

• A.Lightning Report page
• B.Lightning Connect page
• C.Lightning Record Page
• D.Lightning Community Page
• E.Lightning Home page

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A custom exception "RecordNotFoundException" is defined by the following code of block.public class RecordNotFoundException extends Exception()which statement can a developer use to throw a custom exception?choose 2 answers

• A.Throw new RecordNotFoundException("problem occured");
• B.Throw RecordNotFoundException();
• C.Throw new RecordNotFoundException();
• D.throw RecordNotFoundException("problem occured");

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