200-101 · Question #8
Which two states are the port states when RSTP has converged? (Choose two.)
The correct answer is A. discarding D. forwarding. When RSTP has fully converged, ports exist in one of only two stable states: forwarding or discarding. Forwarding (D) means the port is actively passing traffic and learning MAC addresses - this is the normal operational state for root ports and designated ports. Discarding (A) m
Question
Exhibits
Options
- Adiscarding
- Blistening
- Clearning
- Dforwarding
- Edisabled
How the community answered
(22 responses)- A91% (20)
- C5% (1)
- E5% (1)
Explanation
When RSTP has fully converged, ports exist in one of only two stable states: forwarding or discarding. Forwarding (D) means the port is actively passing traffic and learning MAC addresses - this is the normal operational state for root ports and designated ports. Discarding (A) means the port is blocking traffic to prevent loops - this is the state for alternate and backup ports. The 'learning' state (C) is a transitional state during convergence, not a stable converged state. 'Listening' (B) does not exist in RSTP. 'Disabled' (E) is an administratively shut-down condition, not a normal converged port state in RSTP.
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