Which topology should you use to satisfy all of the requirements?

Consider a new IPsec deployment with the following criteria:

– All satellite offices must connect to the two HQ sites.

– The satellite offices do not need to communicate directly with other satellite offices.

– Backup VPN is not required.

– The design should minimize the number of tunnels being configured.

Which topology should you use to satisfy all of the requirements?
A . Partial mesh
B . Redundant
C . Full mesh
D . Hub-and-spoke