Universal Container uses Service Cloud with a custom field, stage_c, on the Case object. Management wants to send a follow-up email reminder 6 hours after the stage_c field is set to `';Waiting on cus

Universal Container uses Service Cloud with a custom field, stage_c, on the Case object. Management wants to send a follow-up email reminder 6 hours after the stage_c field is set to `';Waiting on customer'' The .... Administrator wants to ensure the solution used is bulk safe. Which two automation tools should a developer recommend to meet these business requirements? Choose 2 answers