Which two commands can be used to enable BPDU guard on a switch? (Choose two.)

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Which two commands can be used to enable BPDU guard on a switch? (Choose two.)

S1(config)# spanning-tree bpduguard default
S1(config-if)# spanning-tree portfast bpduguard
S1(config)# spanning-tree portfast bpduguard default
S1(config-if)# enable spanning-tree bpduguard
S1(config-if)# spanning-tree bpduguard enable

Explanation: BPDU guard can be enabled on all PortFast-enabled ports by using the spanning-tree portfast bpduguard default global configuration command. Alternatively, BPDU guard can be enabled on a PortFast-enabled port through the use of the spanning-tree bpduguard enable interface configuration command.

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