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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

Operate a Medium-Sized Switched Network

Question

Which two states are the port states when RSTP has converged? (Choose two.)

Exhibits

200-101 question #8 exhibit 1
200-101 question #8 exhibit 2
200-101 question #8 exhibit 3

Options

  • Adiscarding
  • Blistening
  • Clearning
  • Dforwarding
  • Edisabled

How the community answered

(22 responses)
  • A
    91% (20)
  • C
    5% (1)
  • E
    5% (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.

Topics

#RSTP#port states#discarding#forwarding

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