Which two concepts relate to a switch port that is intended to have only end devices attached and intended never to be used to connect to another switch? (Choose two.)

Question:
Which two concepts relate to a switch port that is intended to have only end devices attached and intended never to be used to connect to another switch? (Choose two.)

• bridge ID
• edge port
• extended system ID
• PortFast
• PVST+

Explanation: The RSTP edge port concept corresponds to the PVST+ PortFast feature. An edge port connects to an end station and assumes that the switch port does not connect to another switch. RSTP edge ports should immediately transition to the forwarding state, thereby skipping the time-consuming 802.1D listening and learning port states. PVST+ is the default spanning-tree configuration for a Cisco Catalyst switch. The bridge ID (BID) is used to determine the root bridge on a network and includes the bridge priority, the extended system ID, and the MAC address.

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