What can used to delete components from production?

• A.A change set deployment with a destructivechanges XML file
• B.An ant migration tool deployment with a destructivechanges XML file and an empty package .xml file
• C.A change set deployment with the delete option checked
• D.An ant migration tool deployment with destructivechanges xml file and the components to delete in the package .xml file

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A developer created a new trigger that inserts a Task when a new Lead is created. After deploying to production, an outside integration chat reads task records is periodically reporting errors.
Which change should the developer make to ensure the integration is not affected with minimal impact to business logic?

• A.Deactivate the trigger before the integration runs.
• B.Remove the Apex class from the integration user's profile.
• C.Use the Database method with all or None set to false
• D.Use a try-catch block after the insert statement.

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A developer is asked to create a Visualforce page for Opportunities that allows users to save or merge the current record.
Which approach should the developer to meet this requirement?

• A.Standard controller methods
• B.A custom controller
• C.A custom controller extension
• D.Visualforce page JavaScript

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When a user edits the Postal Code on an Account, a custom Account text field named ''Timezone'' must be updated based on the values in a postalCodeToTimezone_c custom object.
What should be built to implement this feature?

• A.Account workflow rule
• B.Account approval process
• C.Account assignment rule
• D.Account custom trigger

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Which two are phases in the Aura application event propagation framework? Choose 2 answers

• A.Emit
• B.Default
• C.Bubble
• D.Control

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