Which of the following understanding of stateless computing is correct? (Multiple choice)

Which of the following understanding of stateless computing is correct? (Multiple choice)
A . The computing node only provides computing resources such as CPU and memory. The hardware configuration information is stored in the configuration file, and the data is stored centrally on the disk array, which realizes the independence of the network, storage and computing node.
B . The computing node configuration is saved in the chassis management module, which can be imported and exported. The chassis management module’s master and backup are automatically synchronized. The master and backup are mutually backup. When the management module’s master and backup are switched, the configuration strategy will not be affected in any way.
C . The stateless computing technology eliminates the dependence on the hypervisor in the virtualization layer, so the database can use the hardware-based stateless computing technology to achieve a low-cost high availability solution

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Answer: AB