Exam Certified Data Architect topic 1 question 30 discussion

Standard Salesforce behaviour is based on record owner. So the migrated data should used that feature. => D.

one custom object (junction table), that should represent relationship between the agents -> C

The most accurate answer is D. Assign record owners based on relationship. In Salesforce, every record must have an owner. The owner can be a user or a queue. When migrating data from a legacy CRM to Salesforce, it’s important to maintain the relationships between records. Therefore, assigning record owners based on the relationships identified in the look-up table from the legacy CRM system would be the most appropriate approach. C. Create custom object to store agent relationships: While creating a custom object to store agent relationships is possible, it’s not necessary. Salesforce has standard objects that can handle relationships, and it’s generally best to use these whenever possible. Furthermore, this option does not address the issue of record ownership.

It's either C or D - the question leaves room for abiguity. If the relationships are one to many, then a custom object would be appropriate and C would be the right answer. If the relationships are 1-1, then D is the right answer.