What does the diameter command specify?

Refer to the exhibit.

What does the diameter command specify?
A . the maximum number of hops between any two bridges on a network
B . the number of VLANs that were removed from the MSTI
C . the VLAN that becomes the root of the MSTI
D . the maximum number of hops between any two MST instances on a network

Answer: A

Explanation:

Reference: https://www.cisco.com/c/en/us/td/docs/switches/datacenter/sw/nx-os/layer2/configuration/guide/b_Cisco_Nexus_7000_Series_NX-OS_Layer_2_Switching_Configuration_Guide/b_Cisco_Nexus_7000_Series_NX-OS_Layer_2_Switching_Configuration_Guide_chapter_0111.html