| Exam 210-260 | Question id=672 | Secure Routing and Switching |
When a switch has multiple links connected to a downstream switch, what is the first step that STP takes to prevent loops?
| A. |
STP elects the root bridge | |
| B. |
STP selects the root port | |
| C. |
STP selects the designated port | |
| D. |
STP blocks one of the ports |