In the three-layer hierarchical network design model；what’s associated with the access layer？（）

A.Each switch port is assigned to a specific VLAN.
B.Dynamic VLANs require a VLAN Membership Policy Server.
C.Devices are in the same VLAN regardless of which port they attach to.
D.Dynamic VLAN assignments are made through the command line interface.

A.VLAN membership of a user always remains the same even when he/she is moved to another  location.
B.VLAN membership of a user always changes when he/she is moved to another location.
C.Membership can be static or dynamic.
D.Membership can be static only.
E.None of the other alternatives apply.

A.Creating smaller broadcast domains by implementing VLANs.
B.Separate nodes into different hubs.
C.Creating larger broadcast domains by implementing VLANs.
D.Separate nodes into different switches.
E.All of the above.