A two-node Cisco HyperFlex Edge deployment requires an external witness node to maintain cluster quorum. This functionality is provided by Cisco Intersight, which acts as the cloud-based management and orchestration platform for HyperFlex Edge deployments. Intersight also simplifies lifecycle management and monitoring. Cisco Nexus Dashboard is used for fabric management, not HyperFlex. Cisco UCS Manager manages UCS hardware but doesn't support two-node edge quorum. Cisco APIC is used for ACI fabric control, unrelated to HyperFlex Edge.