1V0-71.21 · Question #52
What is Antrea?
The correct answer is A. A Kubernetes networking solution based on Open vSwitch. Antrea is a Kubernetes CNI (Container Network Interface) plugin built on Open vSwitch (OVS), which provides networking and network policy enforcement for Kubernetes clusters - making A correct. It leverages OVS's programmable data plane to handle pod-to-pod communication…
Question
What is Antrea?
Options
- AA Kubernetes networking solution based on Open vSwitch
- BA Kubernetes networking solution based on eBPF
- CA Kubernetes networking solution based on OpenStack Neutron
- DA Kubernetes networking solution based on BGP
How the community answered
(31 responses)- A87% (27)
- B6% (2)
- C3% (1)
- D3% (1)
Explanation
Antrea is a Kubernetes CNI (Container Network Interface) plugin built on Open vSwitch (OVS), which provides networking and network policy enforcement for Kubernetes clusters - making A correct. It leverages OVS's programmable data plane to handle pod-to-pod communication, network policies, and encapsulation protocols like VXLAN or Geneve.
Why the distractors are wrong:
- B (eBPF) describes Cilium, which is the prominent eBPF-based Kubernetes networking solution.
- C (OpenStack Neutron) is unrelated - Neutron is OpenStack's networking service, not a Kubernetes CNI.
- D (BGP) describes solutions like Calico in its native mode, which uses BGP for routing without overlays.
Memory tip: Think "Antrea = OVS" by associating the "A" in Antrea with "A virtual switch" - Open vSwitch is the virtual switch that powers it. If you see eBPF on an exam, that's Cilium; if you see BGP, that's Calico.
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