Which command fixes the problem in the SF-D9300-1 swith?

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 the problem in the SF-D9300-1 swith?
A . no spanning-tree uplinkfast
B . spanning-tree loop guard default
C . spanning-tree backbonefast
D . spanning-tree portfast bpduguard

View Answer

Answer: D

Explanation:

https://www.cisco.com/c/en/us/td/docs/cloud-systems-management/network-automation-and-management/dna-center/tech_notes/b_dna c_sda_lan_automation_deployment.html