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N10-009 · Question #546

N10-009 Question #546: Real Exam Question with Answer & Explanation

The correct answer is D: Suspended. On Core-SW01, the ports are configured with LACP (mode active) for link aggregation. On Core- SW02, the ports are configured as independent trunks, not as part of an LACP group. Because of this mismatch, LACP cannot form the bundle, and the aggregated ports on SW01 will go into a

Submitted by kevin_r· Mar 6, 2026Network troubleshooting

Question

A network engineer is implementing a new connection between core switches. The engineer deploys the following configurations: Core-SW01 vlan 100 name interface Ethernet 1/1 channel-group 1 mode active interface Ethernet 1/2 channel-group 1 mode active interface port-channel 1 switchport mode trunk switchport trunk allow vlan 100 Core-SW02 vlan 100 name interface Ethernet 1/1 switchport mode trunk switchport trunk allow vlan 100 interface Ethernet 1/2 switchport mode trunk switchport trunk allow vlan 100 interface port-channel 1 switchport mode trunk switchport trunk allow vlan 100 Which of the following is the state of the Core-SW01 port-channel interfaces?

Options

  • AIncrementing CRC errors
  • BError disabled
  • CAdministratively down
  • DSuspended

Explanation

On Core-SW01, the ports are configured with LACP (mode active) for link aggregation. On Core- SW02, the ports are configured as independent trunks, not as part of an LACP group. Because of this mismatch, LACP cannot form the bundle, and the aggregated ports on SW01 will go into a suspended state.

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