单选题Which of these is true regarding the configuration and application of port access control lists？ （）APACLs can be applied in the inbound or outbound direction of a Layer 2 physical interface. BAt Layer 2， a MAC address PACL will take precedence over any existing Layer 3 PACL.CWhen you apply a port ACL to a trunk port， the ACL filters traffic on all VLANs present on the trunk port.DPACLs are not supported on EtherChannel interfaces.
单选题
Which of these is true regarding the configuration and application of port access control lists？ （）
A
PACLs can be applied in the inbound or outbound direction of a Layer 2 physical interface.
B
At Layer 2， a MAC address PACL will take precedence over any existing Layer 3 PACL.
C
When you apply a port ACL to a trunk port， the ACL filters traffic on all VLANs present on the trunk port.
D
PACLs are not supported on EtherChannel interfaces.
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