A.On-site defense

B.Risk assessment

C.Overview of the live network

D.Cutover target

A.Configure the user access port as an edge port to prevent the user from connecting to the switch on this port.

B.Configure root protection on the user access port to ensure that the user does not connect to a switch with a higher priority.

C.Configure loop protection on positions where loops have occurred so that loops are always blocked.

D.Configure BPDU protection so that the switch checks the validity of each received BPDU to prevent attacks of forged BPDUs.

A.Modern

B.Hierarchical

C.Modular

D.Standard

E.Automatic

A.Power supply system

B.Office equipment

C.Air conditioning system

D.Transportation

E.Extra-low voltage cabling

A.Bus topology

B.Star topology

C.Ring topology

D.Dual-star topology