A.The network administrator can apply port security to dynamic access ports
B.The network administrator can configure static secure or sticky secure mac addresses in the voice vlan.
C.The sticky learning feature allows the addition of dynamically learned addresses to the running configuration.
D.The network administrator can apply port security to EtherChannels.
E.When dynamic mac address learning is enabled on an interface,the switch can learn new addresses,up to the maximum defined.

A.R1（config）# interface ethernet 0；R1（config-if）# ip address 192.1.1.129 255.255.255.192；R1（config-if）# no shutdown
B.R1（config）# interface ethernet 0；R1（config-if）# ip address 192.1.1.97 255.255.255.192；R1（config-if）# no shutdown
C.R1（config）# interface serial 0；R1（config-if）# ip address 192.1.1.4 255.255.255.252；R1（config-if）# clock rate 56000
D.R1（config）# interface serial 0；R1（config-if）# ip address 192.1.1.6 255.255.255.252；R1（config-if）# no shutdown
E.R1（config）# router rip；R1（config-router）# network 192.1.1.4；R1（config-router）# network 192.1.1.128
F.R1（config）# router rip；R1（config-router）# version 2；R1（config-router）# network 192.1.1.0