Describe the Use Cases for and Benefits of External IDs. PLATFORM-DEVELOPER-II Practice Questions (Page 2)

Questions 6–10

1. 6expert · hard

   A company is integrating its e-commerce platform with Salesforce. The platform uses a unique order ID for each order. The integration team wants to upsert orders into a custom object. However, the order ID field in Salesforce is not marked as an external ID. The team is considering using a Data Loader to perform the upsert. What is the best course of action?

   • AUse the Salesforce record ID as the matching key in Data Loader.
   • BUse the existing order ID field as the matching key in Data Loader, even though it is not an external ID.
   • CPerform a manual update of existing records and then insert new records.
   • DCreate a new custom field, mark it as an external ID, and populate it with the order ID before running the upsert.
   Reveal Solution Discussion Select an answer first
2. 7application · medium

   A company is planning to migrate its customer data from a legacy system to Salesforce. The legacy system uses a unique customer code. The migration team wants to simplify the process and avoid creating duplicate records. What is a key benefit of using an external ID field for the customer code during the migration?

   • AIt makes the customer code field the primary key of the Salesforce object.
   • BIt automatically creates a relationship between the legacy system and Salesforce.
   • CIt converts the customer code field into a formula field that calculates the correct Salesforce ID.
   • DIt allows the migration tool to upsert records, matching on the customer code to update existing records or insert new ones.
   Reveal Solution Discussion Select an answer first
4. 8foundation · easy

   What is a key benefit of using external IDs?

   • AThey automatically encrypt all data stored in the field.
   • BThey allow Salesforce to automatically generate unique record IDs for external systems.
   • CThey eliminate the need for custom fields on standard objects.
   • DThey enable upsert operations, allowing records to be inserted or updated based on external identifiers.
   Reveal Solution Discussion Select an answer first
5. 9foundation · easy

   What is the primary mechanism by which external IDs prevent duplicate records?

   • AThe use of a validation rule that checks for duplicates on every record.
   • BThe automatic merging of records with the same external ID.
   • CThe automatic creation of a lookup relationship to a deduplication object.
   • DThe unique property on the external ID field.
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6. 10foundation · easy

   How do external IDs enable upsert operations?

   • ABy preventing any updates to existing records and only allowing inserts.
   • BBy automatically creating a new record every time data is sent from an external system.
   • CBy requiring the Salesforce record ID to be included in the external system's data.
   • DBy providing a unique identifier that Salesforce uses to determine whether to insert a new record or update an existing one.
   Reveal Solution Discussion Select an answer first