A rogue device has connected to the network and has become the STP root bridge, which has
caused a network availability issue.
Which two commands can protect against this problem? (Choose two.)

A.
switch(config)#spanning-tree portfast bpduguard default

B.
switch(config)#spanning-tree portfast bpdufilter default

C.
switch(config-if)#spanning-tree portfast

D.
switch(config-if)#spanning-tree portfast disable

E.
switch(config-if)#switchport port-security violation protect

F.
switch(config-if)#spanning-tree port-priority 0