In Huawei FusionCompute, the following incorrect description of the security group rule is.
A . When a virtual machine has multiple network cards, you can configure a security group for each network card.
B . A virtual machine can communicate with the outside world only after a security group is created and rules are added.
C . All virtual machine NICs in the same security group will use the security group rules for access control
D . The essence of a security group is a collection of rules
Answer: B