which of the following situations is it appropriate for an IT service provider to make copies of a customer’s confidential data?

In which of the following situations is it appropriate for an IT service provider to make copies of a
customer’s confidential data?

A.
If the technician determines it necessary, for backup purposes

B.
It is never appropriate to copy a customer’s data

C.
If the content is public knowledge

D.
With the customer’s permission, for backup purposes