A customer is trying to decide which type of cloud service delivery would be the best model for
their business.
What should you tell this customer to help them make the decision?

A.
A single-tenant private cloud is more secure and avoids the complexity challenge of other cloud
service models.

B.
The utility computing model of a multiple-tenant public cloud requires less OpEx, thereby
lowering long-term costs.

C.
A hybrid approach enables them to address IT service delivery challenges in the most efficient
and cost-effective way.

D.
The resource portability of a federated community cloud combines the best practices of public,
private, and hybrid clouds.

Explanation: