A data center uses Cisco Nexus 7000 Series Switch and contains two tenants, tenant A and tenant B. - Tenant A uses IP addresses in the 10.2.30.41/24 to 10.2.30.64/24 range. - Tenant B uses IP addresse

VDC (Virtual Device Context) physically partitions a single Cisco Nexus 7000 Series Switch into multiple independent logical devices, each with its own management plane, control plane, data plane, configuration, and resource allocation, meeting the requirements for separate management, failure domains, and resources.

vPC (Virtual Port Channel) provides Layer 2 multipathing and redundancy within a single logical device, but it does not provide logical partitioning with separate management, control planes, or resource isolation for different tenants.

VXLAN (Virtual Extensible LAN) extends Layer 2 networks over a Layer 3 underlay and provides multi-tenancy, but it does not offer the physical partitioning, separate management, or failure domain isolation that VDCs provide on a Nexus 7000.

VLAN (Virtual Local Area Network) provides Layer 2 segmentation but does not provide separate routing data and control planes, nor does it offer the physical partitioning and resource isolation capabilities of VDCs.

VRF (Virtual Routing and Forwarding) creates separate routing tables and forwarding instances within a router or switch, isolating traffic for each tenant with separate routing data and control planes, which is essential for multi-tenant isolation.