Universal Containers has a legacy client server app that has a relational database that needs to be migrated to Salesforce.
What are the three key actions that should be done when data modeling in Salesforce? (Choose three.)

NTO has 1 million customer records spanning 25 years. As part of its new SF project, NTO would like to create a master data management strategy to help preserve the history and relevance of its customer data.
Which 3 activities will be required to identify a successful master data management strategy? Choose 3 answers:

Universal Container (US) is replacing a home grown CRM solution with Salesforce, UC has decided to migrate operational (Open and active) records to Salesforce, while keeping historical records in legacy system, UC would like historical records to be available in Salesforce on an as needed basis.
Which solution should a data architect recommend to meet business requirement?

UC is migrating individual customers (B2C) data from legacy systems to SF. There are millions of customers stored as accounts and contacts in legacy database.
Which object model should a data architect configure within SF ?

North Trail Outfitters (NTD) is in the process of evaluating big objects to store large amounts of asset data from an external system. NTO will need to report on this asset data weekly.
Which two native tools should a data architect recommend to achieve this reporting requirement?