In a three-tier hierarchical campus network design, which action is a design best-practice for the core layer?

In a three-tier hierarchical campus network design, which action is a design best-practice for the core layer?
A . provide QoS prioritization services such as marking, queueing, and classification for critical network traffic
B . provide advanced network security features such as 802. IX, DHCP snooping, VACLs, and port security
C . provide redundant Layer 3 point-to-point links between the core devices for more predictable and faster convergence
D . provide redundant aggregation for access layer devices and first-hop redundancy protocols such as VRRP

View Answer

Answer: C