In Layer 2 topologies， spanning-tree failures can cause loops in the network. These unblocked loops can cause network failures because of excessive traffic. Which two Catalyst 6500 features can be used to limit excessive traffic during spanning-tree loop conditions？ （）A、loop guardB、storm controlC、storm suppressionD、broadcast suppressionE、BPDU guard
In Layer 2 topologies， spanning-tree failures can cause loops in the network. These unblocked loops can cause network failures because of excessive traffic. Which two Catalyst 6500 features can be used to limit excessive traffic during spanning-tree loop conditions？ （）
- A、loop guard
- B、storm control
- C、storm suppression
- D、broadcast suppression
- E、BPDU guard
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