In a hub-and-spoke topology, what are two advantages of enabling ADVPN on the IPsec overlays? (Choose two.)

In a hub-and-spoke topology, what are two advantages of enabling ADVPN on the IPsec overlays? (Choose two.)

A. It provides the benefits of a full-mesh topology in a hub-and-spoke network. B. It provides direct connectivity between spokes by creating shortcuts. C. It enables spokes to bypass the hub during shortcut negotiation. D. It enables spokes to establish shortcuts to third-party gateways.