QUESTION 33
Which behavior can be expected when the HSRP version is changed from 1 to 2?
A. No changes occur because the standby router is upgraded before the active router.
B. No changes occur because version 1 and 2 use the same virtual MAC OUI.
C. Each HSRP group reinitializes because the virtual MAC address has changed.
D. Each HSRP group reinitializes because the multicast address has changed.
C
https://www.cisco.com/c/en/us/td/docs/switches/datacenter/sw/5_x/nx-os/unicast/configuration/guide/l3_cli_nxos/l3_hsrp.html
When you change the HSRP version, Cisco NX-OS reinitializes the group because it now has a new virtual MAC address.