How should the administrator protect this traffic?

exams HPE6-A73 V1 HPE6-A73 exam 0 Comments

An administrator is concerned about the security of the control plane connection between an AOS-CX switch and an Aruba Mobility Controller (MC) when implementing user-based tunneling.

How should the administrator protect this traffic?
A . IPSec with a digital certificate
B . GRE with a pre-shared key
C . PAPI with an MD5 pre-shared key
D . IPSec with a pre-shared key

Answer: C