Cisco Certified Network Associate (CCNA) 200-301 — Question 1367

Refer to the exhibit. Which switch in this configuration will be elected as the root bridge? SW1 0С:B4:86:22:42:37 - SW2 0С:0B:15:22:05:97 - SW3 0C:0B:15:1A:3C:9D - SW4 0С:B0:18:A1:B3:19