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200-150 · Question #184
200-150 Question #184: Real Exam Question with Answer & Explanation
The correct answer is C: VLANs 125-150 are allowed on the cross connections between the 7k's and 5k's. On cross-connections between Nexus 7000 and Nexus 5000 switches, the trunk is configured to allow only VLANs 125-150, restricting inter-switch VLAN propagation to that range.
Question
Which statement is true about the crocc connections between 5k's and 7k's in the network?
Options
- AVLAN 100 is the native VLAN
- B56 extended VALN are configured in the network
- CVLANs 125-150 are allowed on the cross connections between the 7k's and 5k's
- DVLANs 100-124 are err-disabled on the cross connections between the 7k's and 5k's
Explanation
On cross-connections between Nexus 7000 and Nexus 5000 switches, the trunk is configured to allow only VLANs 125-150, restricting inter-switch VLAN propagation to that range.
Common mistakes.
- A. VLAN 100 being a native VLAN is not indicated by the topology; native VLAN assignment is a separate trunk configuration from the allowed VLAN list.
- B. Extended VLANs span the range 1006-4094; the premise of exactly 56 extended VLANs being configured is not supported by the described topology.
- D. VLANs becoming err-disabled on a trunk indicates a spanning-tree or port-security violation, not a deliberate allowed-VLAN configuration, and this is not consistent with the topology.
Concept tested. NX-OS trunk allowed VLAN list between Nexus switches
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