Infrastructure Core: Layer 2 Technologies (Troubleshooting + STP Enhancements)
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A VLAN works on one trunk but not another. What should be checked?
Focus area:
802.1Q trunk allowed VLAN. Which option gives the best ENCOR-level interpretation?
Select one option.
A
Treat 802.1Q trunk allowed VLAN as a cosmetic naming issue and accept the design as long as the interface status is up.
B
Verify that the VLAN is allowed and active on every trunk in the path.
C
Ignore 802.1Q trunk allowed VLAN because it is outside the forwarding or operational behavior tested in 350-401 ENCOR.
D
Assume 802.1Q trunk allowed VLAN is correct whenever the device accepts the command, without validating state, policy, counters, or failure behavior.
E
Replace the requirement with a single flat VLAN or static route design, even when the scenario requires the specific Infrastructure Core: Layer 2 Technologies (Troubleshooting + STP Enhancements) capability.
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