Which of the following is the upstream of the computing industry chain?

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

Engineer A first enabled Legacy mode to configure the BIOS. The addressing ability was low and it was unable to load more hardware and the boot was slow. Then Engineer A switched to UEFI mode for configuration, which was significantly improved. What features of UEFI are highlighted above? (Multiple choice)

Which of the following scenarios can the accelerator engine of TaiShan server be applied to? (Multiple choice)

Hyper-convergence is to put computing, ( ), network, and management in one box to achieve the purpose of high integration, optimization of performance, and ease of use.