Which of the following descriptions about virtual system offloading is incorrect?

Which of the following descriptions about virtual system offloading is incorrect?
A . When the interface works at Layer 2, VLAN-based traffic distribution is used.
B . When the interface works at Layer 3, the interface-based offloading method is adopted.
C . Through offloading, packets entering the device can be sent to the correct virtual system for processing.
D . When using interface-based offloading, the management port can be assigned to a designated virtual system.

Answer: D