An information security manager is concerned that connectivity used to configure and troubleshoot critical network devic

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An information security manager is concerned that connectivity used to configure and troubleshoot critical network devices could be attacked. The manager has tasked a network security engineer with meeting the following requirements:
✑ Encrypt all traffic between the network engineer and critical devices.
✑ Segregate the different networking planes as much as possible.
✑ Do not let access ports impact configuration tasks.
Which of the following would be the BEST recommendation for the network security engineer to present?

A. Deploy control plane protections.
B. Use SSH over out-of-band management.
C. Force only TACACS to be allowed.
D. Require the use of certificates for AAA.