What are two ways that the MX security appliance achieve automatic failover and high availability? (Choose two.)
A . Survivable Remote Site Telephony
B . warm spare (using VRRP)
C . dual redundant uplink support (multiple ISPs)
D . always on (availability groups)
E . redundant gateways (using HSRP)
Answer: BC
Explanation:
https://meraki.cisco.com/technologies/failover-and-ha