Operating System (Operating System, referred to as OS) is a computer program that manages and controls computer hardware and software resources. Which of the following are its core functions? (Multiple choice)

What type of authorization does Huawei HiSilicon obtain from ARM?

A company wants to migrate a java program under the original X86 platform Linux to the kunpeng platform. EulerOS has been installed on the TaiShan server. Which of the following commands can implement?

Puppet and Ansible are both automated operation and maintenance management tools. Which one is wrong about the understanding of the two operation and maintenance management tools?

A company purchased a batch of TaiShan servers to storage to the original distributed Ceph for expansion. Among them, Ceph uses the CRUSH algorithm to achieve fast and accurate data storage under large-scale clusters, and at the same time, it can achieve the smallest data migration in the event of hardware failure or expansion of hardware equipment. For CRUSE main factors affecting the algorithm are? (Multiple choice)