QuestionQ33

Cloud Infrastructure (NFV and SDN)

Which three methods does SDN use to provide multitenancy?

Choose three
  • A By using virtualized servers to separate customers and applications
  • B By using overlay networks to tunnel traffic across the network
  • C By using IP subnets to provide physical separation of tenants
  • D By using VRFs to segment the network
  • E By using a naming convention that identifies different tenants within each VRF
Explanation

Multitenancy relies on logical isolation of shared compute and network resources. Virtualized servers isolate workloads, overlay networks carry isolated tenant traffic across a shared underlay, and VRFs segment routing into separate virtual routing tables. Cisco documentation describes multitenancy as logical rather than dedicated physical separation and identifies overlays and VRFs as isolation mechanisms.

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