Refer to the exhibit. All interfaces are in the same VLAN. All switches are configured with the default STP priorities. During the STP elections, which switch becomes the root bridge?

The correct answer is D. MDF-DC-3: 08:0E:18:1A:3C:9D. The default value is 32768, and the lowest number is preferred. In the case of a tie, the switch with the lowest MAC address will be selected.

Submitted by olafpl· Mar 5, 2026Network Access

Question

Refer to the exhibit. All interfaces are in the same VLAN. All switches are configured with the default STP priorities. During the STP elections, which switch becomes the root bridge?

Exhibits

Options

AMDF-DC-1: 08:E0:43:42:70:13
BMDF-DC-2: 08:0E:18:22:05:97
CMDF-DC-4: 08:E0:19:A1:B3:19
DMDF-DC-3: 08:0E:18:1A:3C:9D

How the community answered

(29 responses)

A
3% (1)
B
3% (1)
C
14% (4)
D
79% (23)

Explanation

The default value is 32768, and the lowest number is preferred. In the case of a tie, the switch with the lowest MAC address will be selected.

Topics

#STP#Root bridge election#Switch priorities

Community Discussion

No community discussion yet for this question.

Full 200-301 Practice