Question:
Which IEEE standard does PVST+ use to tunnel information?
- 802.1x
- 802.1q
- 802.1w
- 802.1s
Explanation: Cisco developed PVST+ to allow strolling numerous STP instances, even over an 802.1Q network via the use of a tunneling mechanism. PVST+ utilizes Cisco gadgets to hook up with a Mono Spanning Tree area to a PVST+ region. No particular configuration is needed to attain this. PVST+ affords assist for 802.1Q trunks and the mapping of a couple of spanning trees to the single spanning tree of popular 802.1Q switches strolling Mono Spanning Tree.
Exam with this question: CCNA v3.0 (200-125) Study Guide – Exam Dumps
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