In the government cloud scenario, while ensuring business interconnection, it is also necessary to better...

VRF isolation: Assign different tenant permissions to different IMS tenants for Layer 2 isolation

VS isolation: Divide different VS logical switches ± core switches for logical isolation for different tenants

C. Firewall isolation: assign different virtual systems (V S YS) for different tenants; Different users access the private network server and use the corresponding VSYS for access control and security identification

VLAN isolation: Assign no VLAN for Layer 2 isolation for different tenants Answer: A