What do CST and 802.1D have in common?
- They support only one topology.
- They support multiple topologies.
- They allow for load balancing of traffic across different VLANs.
- They provide switch authentication so that inter-switch connectivity can occur.
Explanation: The original 802.1D specification accounted for one topology for all the VLANs, and Common Spanning Tree (CST) uses one topology for building a loop-free topology.
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