Refer to the exhibit.

Refer to the exhibit.

interface GigabitEthernet1/0/13

switchport trunk allowed vlan 30-33

switchport mode trunk

!

interface GigabitEthernet1/0/23

switchport trunk allowed vlan 30-33

switchport mode trunk

An engineer identified a Layer 2 loop using DNAC.

Which command fixes
A . no spanning-tree uplinkfast
B . spanning-tree portfast bpduguard
C . spanning-tree loop guard default
D . spanning-tree backbonefast

View Answer

Answer: C