$7$ Mulligle Choike $3$ points connected to $52$ even thought they are both in VIAN $20.$ Which command should be adsed to $F\frac{20}{1}$ on $51$ to comreat the probleat?

S$1$listion interfaces trank

port Vians allowed and active $20$ managenent dostala

$Fa\frac{O}{1}I1,20,40,60,50$

port Vians in apanniag cree forvarding state and not pruned

${?}^{\frac{50}{2}}12,20,40,60,80$

$511$

switchport nenegotiate

switchpart trunk aliowed van add $40$

switchport tunkk native van $80$

switchport mode dymanic auto