Huawei Kunpeng full-stack cloud solution includes four levels from bottom to top: physical infrastructure, resource pool, cloud service, and operation management platform. In the ECS elastic cloud host service, which of the following is a feature that the ECS ARM virtual machine cannot support?

Huawei Kunpeng full-stack cloud solution includes four levels from bottom to top: physical infrastructure, resource pool, cloud service, and operation management platform. In the ECS elastic cloud host service, which of the following is a feature that the ECS ARM virtual machine cannot support?
A . Offline adjustment of virtual devices (CPU, memory, network card, disk)
B . In-band and out-of-band information query
C . GPU pass-through
D . CPU, memory, and interrupt hardware-assisted virtualization

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Answer: B