Which of the following statements about the Thin LUN and Thick LUN of Huawei OceaStor hybrid flash storage are correct? (Multiple Choice)

Engineers can plan subnets of different sizes by changing the length of the subnet mask by ___________ design.

Currently, there are more and more demands for centralized storage of different types of businesses, and different types of businesses have different storage demands.
A company plans to purchase a set of OceanStor V3 storage, equipped with 10 600GB SSD disks, 20 1.2T SAS disks, and 40 4TB SATA disks, and plans to deploy Oracle database, Exchange mail application and video application on this storage device at the same time. Which of the following configurations can improve overall business performance? (Multiple Choice)

In a company's data center, Huawei's multi-path software is installed on the host system to connect storage devices through multi-links. A LUN stored on the device is mapped to multiple hosts at the same time, but some hosts cannot access the LUN. The storage project does not enable the multi-path software load balancing function and selects the FIFO (First Input First Output) method to solve the problem.

The data protection all-in-one machine is charged according to the back-end capacity > License. When the project is implemented, it is required that the back-end effective capacity must be greater than the license capacity.