A.port filter > VLAN filter > router filter > transmit packet

B.receive packet > router filter > VLAN filter > port filter

C.receive packet > port filter > VLAN filter > router filter

D.router filter > VLAN filter > port filter > transmit packet

A.aging

B.filtering

C.flooding

D.listening

E.blocking

A.local preference

B.community

C.next hop

D.origin

E.AS path

A.firewall rule

B.It interface

C.vt interface

D.martian address

A.Configure the three lab ports as edge ports

B.Configure an input filter on interface xe-0/2/0 to discard the RSTP packets

C.Configure the three lab ports under the protocols layer2-control bpdu-block hierarchy on the switch

D.Configure protocols rstp with the bpdu-block-on-edge parameter for interface xe-0/2/0