Port isolation provides secure and flexible networking solutions for users.
Which of the following statements regarding port isolation is false?
A . Port isolation can be used for configuring Layer 2 isolation.
B . By default, interfaces are isolated at Layer 2 but can communicate at Layer 3.
C . Before the port isolation function takes effect on an interface, the port isolation function must be enabled.
D . The port-isolate enable command can run in the system view.
Answer: D