Which action should be taken to secure ISCSI devices in a vSphere environment?

Which action should be taken to secure ISCSI devices in a vSphere environment?
A . Require Secure Remote Protocol.
B . Require ESXi hosts to use ISCSI port binding.
C . Require vCenter Enhanced Linked Mode.
D . Require ESXi hosts to authentication to the target.

Answer: D

Explanation:

https://docs.vmware.com/en/VMware-vSphere/6.7/com.vmware.vsphere.security.doc/GUID-DFC745FB-CDD6-4828-8948-4D0E0561EEF8.html