Quick Answer

The correct order is to first elect the root bridge based on the lowest bridge ID, then transition ports from blocking to forwarding through the listening and learning states. This sequence is fundamental because STP must first establish a loop-free logical topology by electing a single root bridge and determining root and designated ports before any port can safely forward traffic; the listening and learning states serve as deliberate delays to prevent loops during topology changes. On the ENCOR 350-401 exam, this drag-and-drop task tests your ability to separate the logical election process from the physical state transitions—a common trap is mixing the port role selection (root, designated, alternate) with the state progression (blocking, listening, learning, forwarding). Remember the mnemonic “Roots Rule, Ports Progress: Block, Listen, Learn, Forward” to keep the election first and the state transitions second.