A bridge domain for an EPC called "Web Servers" must be created in the Cisco APIC. The configuration must meet these requirements: - Only traffic to known Mac addresses must be allowed to reduce…

Selecting ARP Flooding allows ARP requests to be flooded throughout the bridge domain, which contradicts the goal of reducing noise by limiting traffic to known MAC addresses.

Setting L2 Unknown Unicast to Hardware Proxy in a bridge domain ensures that traffic destined for unknown MAC addresses is sent to the spine proxy, which then resolves the destination. This prevents flooding of unknown unicast traffic within the BD, thereby reducing noise and limiting traffic to only known MAC addresses. This setting also facilitates limiting multicast traffic to participating ports.

Switching L2 Unknown Unicast to Flood means that traffic to unknown MAC addresses will be flooded across all ports in the bridge domain, directly opposing the requirement to only allow traffic to known MAC addresses and reduce noise.

Setting Multicast Destination Flooding to Flood would allow multicast traffic to be flooded to all ports within the BD, which contradicts the requirement to limit multicast traffic to only participating ports.