Practice Test Geeks(STP) Spanning Tree Protocol Practice Test
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Advanced STP Flashcards

6 cards from real STP practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

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  1. What is Rapid Spanning Tree Protocol (RSTP)?

    Answer: IEEE 802.1w, an evolution of STP providing faster convergence (1-2 seconds)

    RSTP dramatically reduces convergence time from 30-50 seconds to 1-2 seconds through improved state transitions.

  2. What are the RSTP port roles?

    Answer: Root, Designated, Alternate, Backup, Disabled

    RSTP defines five port roles that determine each ports function in the spanning tree topology.

  3. What is an alternate port in RSTP?

    Answer: A backup to the root port that can immediately take over if the root port fails

    The alternate port provides a pre-calculated backup path to the root bridge, enabling rapid failover.

  4. What is MSTP (Multiple Spanning Tree Protocol)?

    Answer: IEEE 802.1s, which maps multiple VLANs to a reduced number of spanning tree instances

    MSTP reduces resource usage by mapping multiple VLANs to fewer spanning tree instances while still providing per-VLAN path optimization.

  5. What is the proposal/agreement mechanism in RSTP?

    Answer: A handshake between switches that allows rapid transition to forwarding state without timer delays

    The proposal/agreement mechanism allows RSTP to bypass the listening and learning states, enabling sub-second convergence.

  6. What is edge port in RSTP?

    Answer: A port connected to an end device that transitions immediately to forwarding state

    Edge ports (equivalent to PortFast) are connected to end devices and can immediately forward traffic without risking loops.