For two switches to participate in the same Multiple Spanning Tree Protocol (MSTP) region, which three values must match? (Choose three.)
A. extended system ID
B. region name
C. member VLAN ID list
D. root bridge ID
E. revision number
For two switches to participate in the same Multiple Spanning Tree Protocol (MSTP) region, which three values must match? (Choose three.)
A. extended system ID
B. region name
C. member VLAN ID list
D. root bridge ID
E. revision number
Correct answers B, C & E
https://www.juniper.net/documentation/us/en/software/junos/stp-l2/topics/topic-map/spanning-tree-configuring-mstp.html