You need to restrict the users who are allowed to access a new Brocade DCX 8510-8. The user
credentials and passwords must be centralized and identical on all Brocade DCX 8510-8s.
Which two configurations will achieve this? (Choose two.)

A.
Configure LDAP authentication on all switches.

B.
Configure LDAP authentication on the Principal switch.

C.
Configure RADIUS authentication on the Principal switch.

D.
Configure RADIUS authentication on all switches.