Refer to the Exhibit.

An administrator configures vApp 1 and vApp 2 as displayed in the exhibit. The administrator
discovers that VM A is unable to communicate with VM B.
What are two possible causes? (Choose two.)

A.
The physical switch has ACLs preventing traffic.

B.
The network pool is configured with port group isolation.

C.
The vShield appliances are configured to block all traffic.

D.
The physical switch has an MTU of 9000 bytes.