Which statement is true about the port roles of the 802.1w Rapid Spanning Tree Protocol?

IT Questions BankCategory: CCNAWhich statement is true about the port roles of the 802.1w Rapid Spanning Tree Protocol?
Which statement is true about the port roles of the 802.1w Rapid Spanning Tree Protocol? 1ITExamAnswers Staff asked 4 months ago
Which statement is true about the port roles of the 802.1w Rapid Spanning Tree Protocol?

  • Cisco-proprietary enhancements to the legacy 802.1D, such as UplinkFast and BackboneFast, are compatible with RSTP.
  • An alternate or backup port can immediately change to a forwarding state without waiting for the network to converge.
  • It takes an edge port 15 seconds to go from blocking to forwarding.
  • Ports are manually configured to be in the designated role.

Explanation: In order to create a loop-free topology, 802.1w RSTP has the following port roles: root, designated, alternate, edge, and backup. RSTP is able to actively confirm that a port can safely transition to the forwarding state without having to rely on a timer configuration.

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