Which activity should be used for multivariate content testing within Journey Builder?

A customer has an eCommerce site and imports data into three data extensions daily: Orders, Order_Details, and 'Products.
The data extensions contain the following information:
- Orders: OrderId, CustomerID, OrderNumber, OrderDate, OrderTotal, GrandTotal
- Order_Details: ProductId, OrderID, Qty, UnitPrice, ExtendedPrice, Discount
- Products: ProductId, SKU, Name, Description, Cost, Price
Which two actions should be taken in Data Designer?
Choose 2 answers

A Consultant has a data extension that contains all current product information. The customer wants to refresh data each morning by importing a CSV containing today's product catalog. The product catalog is never the same; products can be added and removed. Which import type should be used?

Analyst of The Northern Trail Outfitters(NTO) marketing team needs to pull email metrics for an upcoming quarterly company meeting. These metrics need to be reported per email campaign for each of NTO's Business Units:
* Number of Sends
* Delivery Rate
* Overall Bounce Rate
* Block Bounce Rate
*Open Rate
* Click Rate
* Complaint Rate
* Unsubscribe Rate
Which email report should NTO's Marketing Analyst pull from Marketing Cloud to get this information?

Northern Trail Outfitters wants to set up a welcome journey that leverages customer data across three data extensions: Customers, Orders, and Products.
What is the best way to facilitate thiswithin Contact Builder?