A company has developed an eCommerce web application In Oracle Cloud Infrastructure. What should they

A company has developed an eCommerce web application In Oracle Cloud Infrastructure.
What should they do to ensure that the application has the highest level of resilience?

A. Deploy the application across multiple Regions and Availability Domains.

B. Deploy the application across multiple Availability Domains and subnet.

C. Deploy the application across multiple Virtual Cloud Networks.

D. Deploy the application across multiple Availability Domains and Fault Domains.

Correct Answer: A

For highest level of resilience you can deploy the application between regions and distribute on availability domain and fault domains.
Reference:
https://www.oracle.com/cloud/iaas/faq.html