A.The prerequisite for deleting a security group is that there are no virtual machines in the security group.

B.Before adding rules, the security group will deny all by default

C.Changes to security group rules need to be manually applied to virtual machines within the security group

D.You must create a security group before adding rules.

A.The physical network is mapped to a physical network port or a bonded physical interface on the host

B.The virtual machine can directly use the physical network

C.The physical network defines the mapping relationship between the virtual network and the host network interface

D.Virtual machines on different physical hosts can communicate with each other through the same physical network

A.When different virtual machines belonging to the same VLAN on the same host communicate with each other, the network traffic does not pass through the upper-layer physical switch.

B.When different virtual machines belonging to different VLANs on the same host communicate with each other, network traffic passes through DVS.

C.When different virtual machines belonging to different VLANs on the same host communicate with each other, the network traffic passes through the upper-layer physical switch.

D.When different virtual machines belonging to the same VLAN on the same host comunicate with each other, the network traffic does not pass through DVS.

A.True

B.False

A.Local Disk

B.FusionStorage Block

C.NASl

D.SAN