A company's business host runs the Linux operating system (take CentOS as an example). The storage engineer needs to use the Linux system performance monitoring tool in the process of collecting performance data. Which of the following is wrong?

After a disaster occurs, the time required for an information system or business function to recover from a standstill is generally used ( ).

In the storage planning design process, which of the following options are part of the business planning process? (Multiple Choice)

After analyzing the performance information of the host and storage system, an engineer found that the performance bottleneck appeared in the HBA (Host Bus Adaptar) card.
What should engineers investigate? (Multiple Choice)

The requirements of a banking business operation background storage system are as follows:
(1) The size of the business image file generated by the business operation system is basically about 100KB.
(2) The business operation system is all GE networking, the server and operating terminal are all GE interfaces, and subsequent upgrades to 10GE are considered according to business needs.
(3) Only 72TB of raw space is required, and the later expansion will give priority to the expansion of the disk.
(4) There is only 20U of cabinet space in the computer room for storing the storage equipment in this phase. It is preferred to configure 3 nodes + supporting switches to meet the planning of the computer room cabinet.
Based on the above requirements, the following more suitable networking solutions are: