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H12-921_V1.0 · Question #237

In Huawei's CloudFabric solution, if you want to use a third-party VAS device to provide value- added services, which of the following VAS device management modes should you use if the VAS device…

The correct answer is B. Network Policy. Network Policy (B) is correct because this mode is designed for scenarios where the VAS device is not controller-manageable. The controller handles only the network-side configuration - programming traffic steering on the fabric switches to redirect flows through the VAS device…

Data Center Network Automation and Intelligent O&M

Question

In Huawei's CloudFabric solution, if you want to use a third-party VAS device to provide value- added services, which of the following VAS device management modes should you use if the VAS device cannot be managed by the controller?

Options

  • AService Policy
  • BNetwork Policy
  • CService Manager
  • DNetwork Manager

How the community answered

(31 responses)
  • A
    3% (1)
  • B
    84% (26)
  • C
    10% (3)
  • D
    3% (1)

Explanation

Network Policy (B) is correct because this mode is designed for scenarios where the VAS device is not controller-manageable. The controller handles only the network-side configuration - programming traffic steering on the fabric switches to redirect flows through the VAS device - while the VAS device itself is configured independently through its own management interface.

Service Policy (A) is incorrect because it applies when the controller CAN directly manage the VAS device, pushing policies to it alongside the network devices. Service Manager (C) and Network Manager (D) are not valid VAS device management modes in CloudFabric; they do not map to defined operational modes for integrating third-party VAS appliances.

Memory tip: Think of it as "who the controller is actually managing." In Network Policy, the controller manages only the network path to the device, not the device itself - matching exactly the case where the VAS device is outside the controller's reach.

Topics

#VAS device management#Network Policy#CloudFabric#controller independence

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