Implementing Cisco IP Switched Networks (SWITCH v2-0) (#22)

Refer to the exhibit. Which two commands ensure that DSW1 becomes root bridge for VLAN 10 and 20? (Choose two.)

spanning-tree mst 1 root primary
spanning-tree mstp vlan 10, 20 root primary
spanning-tree mst 1 priority 4096
spanning-tree mst vlan 10, 20 priority root
spanning-tree mst 1 priority 1