Which statement regarding the implementation of Fibre Channel domain IDs is true?
A. They are assigned on a per-switch basis.
B. They must be unique on all of the Fibre Channel switches in the fabric.
C. They are assigned on a per-line card basis.
D. They must be the same on all of the Fibre Channel switches in the fabric.
Most like B. They must be unique on all of the Fibre Channel switches in the fabric.
https://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus5500/sw/san_switching/6x/b_5500_SAN_Switching_Config_6x/configuring_fibre_channel_domain_parameters.pdf
[…]
“The domains are configured on a per-VSAN basis.”
[…]
“Domain ID distribution—This phase guarantees that each switch in the fabric obtains a unique domain ID.
Tricky question.
A and B looks like right answers