What is the purpose of ingress filtering?

A Dell EMC N-Series switch is configured with switchport mode access and ingress filtering.

What is the purpose of ingress filtering?
A . Allow the port to transmit only untagged frames in the configured VLAN
B . Allow the port to accept both tagged and untagged frames in the configured VLAN
C . Allow the port to transmit both tagged and untagged frames in the configured VLAN
D . Allow the port to accept only untagged frames in the configured VLAN

View Answer

Answer: B