Which three statements are accurate regarding RSTP and STP? (Choose three.)
- RSTP uses a faster algorithm to determine root ports.
- RSTP introduced the extended system ID to allow for more than 4096 VLANs.
- Both RSTP and STP use the portfast command to allow ports to immediately transition to forwarding state.
- Like STP PortFast, an RSTP edge port that receives a BPDU loses its edge port status immediately and becomes a normal spanning-tree port.
- Configuration commands to establish primary and secondary root bridges are identical for STP and RSTP.
- Because of the format of the BPDU packet, RSTP is backward compatible with STP.
Exam with this question: CCNA Exploration 3: ESwitching Chapter 5 Exam
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