| Exam 350-401 | Question id=5932 | Infrastructure |
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 redundant Layer 3 point-to-point links between the core devices for more predictable and faster convergence | |
| C. |
provide advanced network security features such as 802.1X, DHCP snooping, VACLs, and port security | |
| D. |
provide redundant aggregation for access layer devices and first-hop redundancy protocols such as VRRP |