Buenas noches
me podrias explicar por la pregunta 946 es la B, no podria ser la C
946. What is a function of the core and distribution layers in a collapsed-core architecture?
A. The router can support HSRP for Layer 2 redundancy in an IPv6 network
B. The core and distribution layers are deployed on two different devices to enable failover
C. The router operates on a single device or a redundant pair
D. The router must use IPv4 and IPv6 addresses at Layer 3.