Which two statements are correct about External ID?
Choose 2 answers

Universal Containers wants to ensure Salesforce will only accept secure connections from their ETL tool.
How should calls to a custom Apex web service be secured?

Northern Trail Outfitters has a requirement to encrypt few of widely used standard fields. They also want to be able to use these fields in workflow rules.
Which security solution should an Integration Architect recommend to fulfill the business use case?

UC leverages customer MDM as a source of truth. The requirement is to dedupe and store any account or contact created in MDM before the same is created in Salesforce. This ensures data is clean and not duplicated in Salesforce. During peak season, users experience a "Concurrent Request Limit Exceeded" error.
What is the recommended solution?

Universal Containers (UC) has an ERP application where all customer orders are stored. There are millions of customers order stored in the ERP application and a longtime customer may have thousands of individual orders. Additionally, some order information may house personally identifiable information that, due to company policy, can only be stored in ERP. UC 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?