Refer to the exhibit. After the election process what is the root bridge in the HQ LAN? Switch 1: 0C:E0:38:81:32:58 Switch 2: 0C:0E:15:22:1A:61 Switch 3: 0C:0E:15:1D:3C:9A Switch 4: 0C:E0:19:A1:4D:16

The correct answer is C. Switch 3. The root bridge is determined by the lowest bridge ID, which consists of the priority value and the MAC address. Because the priority values of all of the switches are not avalable, the MAC address is used to determine the root bridge. Because S3 has the lowest MAC address, S3 be

Submitted by tyler.j· Mar 5, 2026

Question

Exhibits

Options

ASwitch 1
BSwitch 2
CSwitch 3
DSwitch 4

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A
2% (1)
B
4% (2)
C
85% (45)
D
9% (5)

Explanation

The root bridge is determined by the lowest bridge ID, which consists of the priority value and the MAC address. Because the priority values of all of the switches are not avalable, the MAC address is used to determine the root bridge. Because S3 has the lowest MAC address, S3 becomes the root bridge.

Topics

#STP root bridge election#MAC address comparison

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