Universal Containers has Logistics Engineers that observe a near real-time dashboard in Salesforce of shipping containers that are in transit. Without leaving the dashboard, an Engineer can select a container to request an updated status on that container. These requests are handled by a proprietary shipping system that queues the requests to send to each container. Containers are connected devices and check in with the shipping system every 30 seconds to receive any status requests.
What integration pattern or combination of patterns would be needed to connect Salesforce and the shipping system?
A . UI Update Based on Data Changes and Batch Data Synchronization
B . Remote Process Invocation-Fire and Forget, with UI Update Based on Data Changes
C . Remote Call-In, with UI Update Based on Data Changes
D . Remote Process Invocation-Request and Reply
Answer: B