What is the BEST way to allow CPM to manage root accounts?

In accordance with best practice, SSH access is denied for root accounts on UNIXLINUX system.
What is the BEST way to allow CPM to manage root accounts?
A. Create a privileged account on the target server. Allow this account the ability to SSH directly from the CPM machine. Configure this account of the target server’s root account.
B. Create a non-privileged account on the target server. Allow this account the ability to SSH directly from the CPM machine. Configure this account as the Logon account of the target server’s root account.
C. Configure the Unix system to allow SSH logins.
D. Configure the CPM to allow SSH logins.

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