A. An ESB is used primarily for stateless messages and service mediation. The ESB construct is being replaced by API's and API Gateways in modern Cloud architectures.

B. BPEL is inherently better than BPMN in managing orchestrations that involve people, because BPEL can also interact with systems.

C. BPEL and ESB are both good technologies for doing heavy transformation of data before sending the data to a back-end system or database.

D. All are part of a typical/traditional on-premise enterprise integration strategy and can also be an important part of a hybrid on-premises/Cloud architecture.

E. Decision Model and Notation (DMN) replaces BPMN in modern Cloud Architectures.