Cisco 350-401 Exam - Topic 12 Question 39 Discussion
In a three-tier hierarchical campus network design, which action is a design best-practice for the core layer?
B) provide redundant Layer 3 point-to-point links between the core devices for more predictable and faster convergence
A) provide QoS prioritization services such as marking, queueing, and classification for critical network traffic
C) provide advanced network security features such as 802. IX, DHCP snooping, VACLs, and port security
D) provide redundant aggregation for access layer devices and first-hop redundancy protocols such as VRRP
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