Describe the Capabilities of, Use Cases for, and Implications of Roll-Up Summary Fields. PLATFORM-APP-BUILDER Practice Questions (Page 3)

Questions 11–15

1. 11foundation · easy

   Which alternative approach should you consider when a roll-up summary field is not suitable because the relationship is a lookup?

   • AUse a validation rule to enforce the calculation.
   • BUse a formula field on the parent object.
   • CUse an Apex trigger to calculate and update the parent record.
   • DUse a workflow rule to update a field on the parent.
   Reveal Solution Discussion Select an answer first
2. 12foundation · easy

   When are roll-up summary fields recalculated?

   • AOnly when a report is run.
   • BWhenever a child record is created, edited, or deleted.
   • COnly when the parent record is manually saved.
   • DOnly during a nightly batch job.
   Reveal Solution Discussion Select an answer first
4. 13foundation · easy

   What is a potential performance implication of using roll-up summary fields?

   • AThey can slow down record saves on the parent object when many child records are updated.
   • BThey require a nightly batch job to recalculate, which can cause delays.
   • CThey have no performance impact because they are calculated on demand.
   • DThey cause reports to run slower because they are calculated at report runtime.
   Reveal Solution Discussion Select an answer first
5. 14application · medium

   An admin needs to show the total revenue from all Opportunities for each Account. The Opportunity object has a lookup relationship to Account. What is the best approach?

   • AUse a workflow rule to update a custom field on Account with the total revenue.
   • BCreate a formula field on Account that references the Opportunity Amount.
   • CCreate a roll-up summary field on Account using the lookup relationship.
   • DConvert the lookup to a master-detail relationship and create a roll-up summary field on Account.
   Reveal Solution Discussion Select an answer first
6. 15application · medium

   A nonprofit tracks donations as child records of a Campaign. They need to see the total donation amount and the number of donations for each campaign on the campaign record itself. The relationship between Campaign and Donation is a lookup relationship. What should the admin do?

   • AConvert the lookup relationship to a master-detail relationship, then create roll-up summary fields on Campaign.
   • BUse a workflow rule to update a custom field on Campaign with the total donation amount.
   • CCreate a formula field on Campaign that references the Donation records.
   • DCreate a roll-up summary field on Campaign using the lookup relationship.
   Reveal Solution Discussion Select an answer first