Universal Containers(UC) has a legacy application that tracks customer order status once the order has been sent to the fulfillment department this legacy application does not easily provide an API to integrate with Customer service reps need to be able t access the data from within Sales force and cannot be given separate logins to the application, UC does not have single-sign-on enabled.How should an architect solve this problem?

An insurance company decides to build an online portalusing the Salesforce platform for receiving quote requests from customers. The company has a legacy quoting system that will generate quotes while the rest of the sales process is managed by Salesforce Sales Cloud. The legacy system has an API for creating quotes.
What Implementation method should be used so that customers can request quotes online and receive them in real time?

Which tool would an architect likely leverage while diagnosing issues with an inbound RESTful integration to Salesforce?

Universal containers is migrating to Salesforce from a legacy system with existing SMTP-based integrations.
What Salesforce platform capability should an Integration Architect consider?

Universal containers has an ERP application where all customer orders are stored. There are millions of customer orders stored in the ERP application and a longtime customer may have thousands of individual orders. Additionally, some order informationmay house personally identifiable information that, due to company policy, can only be stored in ERP. Universal Containers would like the five most recent orders displayed on the account page in Salesforce.How should an architect design this requirement considering both security and scalability?