The description of Huawei's FusionSphere OpenStack solution Swift components, which is wrong?

• A.Swift object consists of metadata and data components
• B.Swift use a consistent hash algorithm to evenly distribute objects onto virtual nodes in virtual space
• C.Swift use a three-tier logical structure Account/Container/Object
• D.Swift includes Swift-API, Swift-Scheduler and Swift-Volume three roles

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In the FusionSphere private cloud solution, if the port type of the external network is router_interface, you need to delete the subnet before you can delete the external network.

• A.False
• B.True

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Which of the following network planes require Layer 3 interworking in the FuslonSphere cloud datacenter scenario?

• A.Internal_Base and Storage_Data
• B.External_OM and External_API
• C.Internal_Base and External_OM
• D.Internal_Base and External_API

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Which layers as the following are included in the Huawei Cloud Data Center Service Architecture Hierarchical Model? (Multiple Choice)

• A.Cloud service layer, blending virtualization resource pool, to realize the centralized management and allocation of resources.
• B.Virtualization layer, the realization of virtualization resource pool.
• C.The infrastructure layer, such as servers, storage, networking products and so on.
• D.Application layer, support all types of cloud services.

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When virtual machine network is obstructed on FusionCompute, which of the following is a possible fault point? (Multiple choice)

• A.The network card is not enabled
• B.the PV driver is not installed on the virtual machine
• C.Virtual machine firewalls Limit network traffic
• D.The virtual machine does not have a network card

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