Final answer:
C) Kerberos Manager To enable Kerberos security, use the Kerberos Manager tool which provides a graphical interface for managing the Kerberos authentication system.
Step-by-step explanation:
To enable Kerberos security, you should use the Kerberos Manager tool. Kerberos Manager is a graphical interface that allows you to manage the Kerberos authentication system. It provides a user-friendly way to configure and administer Kerberos security policies and settings.
With Kerberos Manager, you can create and manage Kerberos principals (users and services), define authentication policies, generate and distribute keytabs, and monitor the Kerberos realm. It simplifies the process of enabling and managing Kerberos security within your system.
Other options like kadmin and Hadoop Admin are related to specific tools or systems, but they are not specifically designed for enabling Kerberos security.