H12-921-V1.0: HCIE-Data Center Network (Written) V1.0Demo

By Huawei · Question Mode

QuestionQ38

园区网络规划与部署

In the cloud-network integration–OpenStack scenario of the CloudFabric solution, an enterprise requires VMs created in the DC to access the Internet. In this case, which of the following must be created on OpenStack?

  • A External network
  • B Security group
  • C SFC
  • D External gateway
Explanation

An OpenStack Neutron external network represents the reachable physical network outside the OpenStack deployment, including the upstream path used for Internet connectivity. Routers use that network as their external gateway; a security group only filters traffic, and service function chaining does not provide Internet access.

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