Developers CRT-450 Passing Score

[Reference: Considerations for Roll-Up Summary Fields, Option D: The trigger may fire multiple times during a transaction., True., Triggers can fire multiple times due to workflow updates, process builders, or roll-up summary field recalculations., Developers should design triggers to handle potential recursion and multiple executions., Reference: Triggers and Order of Execution, Option B: The validation rules will cause the trigger to fire again., False., Validation rules execute after triggers and do not cause triggers to fire again., They validate the data before the final commit but do not initiate additional trigger executions., Reference: Order of Execution, Option C: Duplicate rules are executed once all DML operations commit to the database., False., Duplicate rules are evaluated after triggers but before the DML operations are committed., They can prevent records from being saved but do not affect trigger execution after commit., Reference: Duplicate Rules Execution, Conclusion:, The developer should consider options A and D while testing the trigger code, as they can impact trigger execution during transactions., ]

[Reference: Scratch Orgs, Options Not Applicable:, Option A: Full Copy sandboxes, Better suited for staging and performance testing, not for individual developer environments., Option B and C: Developer orgs and Developer sandboxes, Less flexible for source-driven development., Developer sandboxes are not as easily reconfigurable as scratch orgs., Conclusion:, For source-driven development with independent configurations, the team should use Scratch orgs, which is Option D., ]

[Reference: Export Backup Data from Salesforce, Options Not Applicable:, Option A: Schedule a report., Reports cannot export attachments and are limited to the data accessible via reporting., Option C: Use the Data Loader command line., While possible, it would require custom scripting and management., Data Loader does not natively export attachments., Option D: Create a Schedulable Apex class., Writing custom Apex to export data and attachments is complex and unnecessary when standard tools exist., Conclusion:, The developer should define a Data Export schedule to meet the backup requirement, which is Option B., ]