What are two benefits of canvas that an Integration Architect should consider when exposing external systems from within Salesforce?
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Universal Containers (UC) has Wave Analytics in their Salesforce org. UC has expertise and access to the Dell boomi ETL tool. UC would like to get all leads and opportunities from the org and data from a few other Marketing tools to a Wave instance for enhanced analysis.
What is the recommended solution to set up the data process?

Northern Trail Outfitters has recently experienced intermittent network outages in its call center. When network service resumes, Sales representatives have inadvertently created duplicate orders in the manufacturing system because the order was placed but the return acknowledgement was lost during the outage.
Which solution should an architect recommend to avoid duplicate order booking?

Universal containers is building an integration from their employee portal to salesforce Chatter.They would like their employee portal to read and write to the Chatter API on behalf of the employee using the portal.
What is the correct way to authenticate to the chatter API to meet this requirement?

Universal Containers (UC) maintains the Customer Master outside of Salesforce and would like to sync the Customer records with Salesforce on a daily basis. UC has complex logic in the Account trigger and will have to test it for bulk inserts and updates. UC has been given a csv file with test data.
What is the recommended way to use this data in a test class?