Implementing Cisco IP Switched Networks (CCNP SWITCH, legacy) — Question 69

When two MST instances (MST 1 and MST 2) are created on a switch, what is the total number of spanning-tree instances running on the switch?

Answer options

Correct answer:

Explanation

The correct answer is B. Each MST instance corresponds to a separate spanning-tree instance, so with two MST instances, there are two spanning-tree instances running. Options A, C, and D are incorrect because they do not accurately represent the number of instances created by the two MST configurations.