Port Security Is Enabled on a Cisco MDS 9000 Series

Multiple Choice

Port security is enabled on a Cisco MDS 9000 Series Switch. Which statement is true?

A) Port security can be enabled only globally and affects all VSANs.
B) Any devices currently logged in must be added manually to the device database.
C) Auto-learning is always enabled automatically when port security is enabled.
D) Cisco Fabric Services must be disabled before enabling port security.