ENCOR #2 – Layer 2

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How did port states change between 802.1D and RSTP?

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At what point is the path cost updated in a BPDU message?

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What is Loop Guard used for?

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MST Instances vs MST Regions

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Is MST configuration locally significant to each switch?

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What do the Sub-Headings in ‘show interfaces trunk’ mean?

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What roles and messages are used in a VTP architecture?

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How do VTP messages propagate, based on revision number?

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CCNP Layer-2 LAB

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