You need to add an iSCSI host and storage array to your environment.

You need to add an iSCSI host and storage array to your environment. Your manager wants at least two options that allow all iSCSI initiators to query a central management server to locate the address of all iSCSI resources (e.g., iSCSI initiators, targets, switches, and management stations).

Which two protocol methods would be used? (Choose two.)