Oracle Cloud Platform Data Integration 2020 Specialist — Question 35

Which one of the statements describes a service aggregator pattern? (Choose the best answer.)

Answer options

• A. It is implemented in each service separately and uses a streaming service
• B. It involves implementing a separate service that makes multiple calls to other backend services
• C. It uses a queue on both sides of the service communication
• D. It involves sending events through a message broker

Correct answer: B

Explanation

The correct answer is B because a service aggregator pattern specifically involves a dedicated service that consolidates calls to various backend services. Options A, C, and D describe different patterns and mechanisms that do not accurately represent the aggregator pattern's function.