Which three commands must you enter to create a trunk that allows VLAN 20? (Choose three.)

Question:
Which three commands must you enter to create a trunk that allows VLAN 20? (Choose three.)

• Switch(config-if)#switchport mode trunk
• Switch(config-if)#switchport mode dynamic desirableC. Switch(config-if)#switchport trunk native vlan 20
• Switch(config-if)#switchport trunk encapsulation dot1q
• Switch(config-if)#switchport trunk allowed vlan 20
• Switch(config-if)#switchport mode dynamic auto

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