What are the two considerations of Apex REST services that an integration architect should keep in mind when building custom integrations?
Choose 2 answers

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?

Universal Containers (UC) wants to start sharing some of the information collected from customers in Salesforce to other systems. UC wants to start sharing some sales data (orders) with a third-party application to help forecast inventory. This is a web application that supports SOAP and REST interfaces to send and receive data.
What is the recommended solution for integrating with this product?

Universal Containers has a homegrown application that polls Salesforce using SOAP API every 2 minutes to obtain newly created case information. This causes both performance issues and API usage limits to be exceeded.
What should an Architect recommend to improve performance and optimum use the API limits?

Universal Containers has a requirement for users of a Validation page to be notified of data updates from Salesforce as well as message from other systems in real time.
Which three approaches should be considered when selecting the correct API?
Choose 3 answers