Which two steps should be taken to send this information using content delivery?

A sales representative at Northern Trail Outfitters needs to securely send confidential product roadmap information to a premier customer.

Which two steps should be taken to send this information using content delivery? (Choose two.)
A . Require the customer to enter a security token to download the content.
B . Remove access to the content after a specified date.
C . Require the recipient to log into Salesforce to access the content.
D . Require the customer to enter a password to view the content.

Answer: BD