Question: Which version of Spanning Tree Protocol is an improvement over the original IEEE 802.1D?

Options:

1. Rapid Spanning Tree Protocol (RSTP)
2. Multiple Spanning Tree Protocol (MSTP)
3. Per VLAN Spanning Tree (PVST)
4. Enhanced Spanning Tree Protocol (ESTP)

Correct Answer: Rapid Spanning Tree Protocol (RSTP)

Solution:

Rapid Spanning Tree Protocol (RSTP) is an improvement over the original IEEE 802.1D, providing faster convergence.