Which spanning tree implementation meets this goal?

Refer to the exhibits.
Exhibit 1.

Exhibit 2.

The company wants to minimize congestion on Link 1.
Which spanning tree implementation meets this goal?
A. Instance 1 = VLANs 4-5 Instance 2 = VLANs 6-7
Switch 2 instance 1 priority = 0 Switch 2 instance 2 priority = 1
Switch 3 instance 1 priority = 1 Switch 3 instance 2 priority = 0
B. Instance 1 = VLANs 4,6 Instance 2 = VLANs 5,7
Switch 2 instance 1 priority = 0 Switch 2 instance 2 priority = 1
Switch 3 instance 1 priority = 1 Switch 3 instance 2 priority = 0
C. Instance 1 = VLANs 4,6 Instance 2 = VLANs 5,7
Switch 2 instance 1 priority = 0 Switch 2 instance 2 priority = 1
Switch 3 instance 1 priority = 0 Switch 3 instance 2 priority = 1
D. Instance 1 = VLANs 4-5 Instance 2 = VLANs 6-7
Switch 2 instance 1 priority = 0 Switch 2 instance 2 priority = 1
Switch 3 instance 1 priority = 0 Switch 3 instance 2 priority = 1

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4 thoughts on “Which spanning tree implementation meets this goal?

  1. Sw2 and Sw3 are Master on vlan 4,6
    Sw2 and Sw3 are Slave on vlan 5,7
    (Its no real but …)
    STP
    SW2 and Sw3 are root in 4, 6
    In this case (No real) I be “C”

    If VRRP are correct (SW2 Master in VLAN 4,6 and SW3 Master VLAN 5,6 ) then B is correct

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