N10-009 · Question #463
N10-009 Question #463: Real Exam Question with Answer & Explanation
The correct answer is C: Establish a trunk connection between Switch A and Switch B.. Both PCs reside in VLAN 1, but the only live link between the switches (Gi0/9) is currently in access VLAN 8, so VLAN 1 traffic never crosses. Turning the inter-switch port(s) into a trunk (allowing VLAN 1 across) will carry the users’ VLAN and restore end-to-end connectivity.
Question
Computer A cannot reach Computer B in this network: Which of the following will resolve the issue?
Options
- ASet up link aggregation between Switch A and Switch B on Gi0/9 and Gi0/10.
- BConfigure spanning tree on Switch A and Switch B.
- CEstablish a trunk connection between Switch A and Switch B.
- DPut Computer A and Computer B in the same /24 subnet.
Explanation
Both PCs reside in VLAN 1, but the only live link between the switches (Gi0/9) is currently in access VLAN 8, so VLAN 1 traffic never crosses. Turning the inter-switch port(s) into a trunk (allowing VLAN 1 across) will carry the users’ VLAN and restore end-to-end connectivity.
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