Which protocol should the administrator use to detect a failure in a single subnet?

An administrator implements two redundant Aruba Mobility Masters (MMs).

Which protocol should the administrator use to detect a failure in a single subnet?
A . PAPI
B . SNMP
C . VRRP
D . IPSec

Answer: C

Explanation:

Reference: https://www.google.com/url? sa=t&rct=j&q=&esrc=s&source=web&cd=1&cad=rja&uact=8&ved=2ahUKEwj2goKg4dbeAhVP5IUKHVIiBS 8QFjAAegQICRAC&url=https%3A%2F%2Fcommunity.arubanetworks.com%2Faruba%2Fattachments% 2Faruba%2FAruba-VRDs%2F14%2F1%2FAruba%2520Mobility%2520Controllers-% 2520PDF.pdf&usg=AOvVaw09REIwQd_lHGXo_GO3vf8J