Refer to the exhibit. All the displayed switches are Cisco 2960 switches with the same default priority and operating at the same bandwidth. Which three ports will be STP designated ports? (Choose three.)
- fa0/9
- fa0/21
- fa0/11
- fa0/10
- fa0/20
- fa0/13
Explanation: Given that all the switches have the same default priority and are operating at the same bandwidth, the switch with the lowest MAC address will become the root bridge. This would be SW3 and all its ports would be designated ports. SW1 has a lower MAC address than SW2 has and therefore port fa0/10 will become the designated port on that link.
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