Which command do you enter to determine the root priority?
A. Show spanning-tree mapping
B. Show spanning-tree summary
C. Show spanning-tree bpdu-filter 1
D. Show spanning-tree backbonefast
Which command do you enter to determine the root priority?
A. Show spanning-tree mapping
B. Show spanning-tree summary
C. Show spanning-tree bpdu-filter 1
D. Show spanning-tree backbonefast
B is correct answer.
switch# show spanning-tree
VLAN0001
Spanning tree enabled protocol rstp
Root ID Priority 1
Address 000d.ecb0.fdbc
Cost 2
Port 4096 (port-channel1)
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
https://www.cisco.com/c/m/en_us/techdoc/dc/reference/cli/nxos/commands/l2/show-spanning-tree.html
I don’t think the answer is correct as the command (and any of the other commands) show the root priority.
If “show spanning-tree detail were one of the choices, it would be the answer.
https://www.cisco.com/c/m/en_us/techdoc/dc/reference/cli/nxos/commands/l2/show-spanning-tree-summary.html
https://www.cisco.com/c/m/en_us/techdoc/dc/reference/cli/nxos/commands/l2/show-spanning-tree-detail.html