Which three settings must match in order for switch ports to form an EtherChannel? (Choose three.)

Which three settings must match in order for switch ports to form an EtherChannel? (Choose three.)

• The switch port numbers that will be combined to form the EtherChannel must match.
• Non-trunk ports must belong to the same VLAN.
• The SNMP community strings must be configured the same.
• The interfaces must be configured to the same speed.
• The duplex settings of the switch ports on both sides of the physical link must match.
• Port security settings on the connected physical interfaces must be configured to the same violation mode.

Explanation: Speed and duplex settings must match for all interfaces in an EtherChannel. All interfaces in the EtherChannel must be in the same VLAN if the ports are not configured as trunks. Any ports may be used to establish an EtherChannel. SNMP community strings and port security settings are not relevant to EtherChannel.

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