What is the difference between REST API and SOAP API in SFMC, and when would you use each?

• A. REST is older but robust for bulk operations; SOAP is modern and lightweight for data retrieval.
• B. REST is modern and lightweight for data retrieval and operations on Data Extensions and assets; SOAP is older but robust for bulk operations and metadata; choose REST for new development and SOAP for legacy integrations.
• C. REST is used for scheduling campaigns; SOAP for email rendering.
• D. REST is only for external data extensions; SOAP is only for internal SFMC data.

Answer: (B)