Cisco Enterprise Network Core Technologies (ENCOR) Practice Exam

Question: 1 / 400

Which port role in RSTP connects to the root switch or an upstream switch?

Designated Port

Backup Port

Root Port

The root port is the designated connection for a switch that serves as the best path to the root bridge in a Rapid Spanning Tree Protocol (RSTP) topology. In an RSTP network, each non-root switch will have one root port, which is the port that has the lowest cost path back to the root bridge. This port plays a crucial role in ensuring efficient data traffic flow and maintaining a loop-free topology.

Understanding the function of the root port is essential for managing traffic efficiently and avoiding network loops. In contrast to the backup port, which serves as a standby connection should the active port fail, the alternate port, which provides an alternative path to the root bridge, and the designated port, which forwards traffic to a segment, the root port specifically focuses on maintaining the direct path to the root switch or an upstream switch.

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Alternate Port

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