Which of the following descriptions about the Huawei server BMC firmware upgrade operation is incorrect?

• A.After the backup image upgrade is complete, the iBMC system will log out the currently logged-in user after restarting, and automatically switch the image file to the upgraded backup system image.
• B.iBMC presence standby system 2 images, each upgrade only upgrades 1 image. Therefore, the iBMC firmware will first upgrade the backup image.
• C.The iBMC interface that the user normally accesses uses the main system image, and the iBMC firmware upgrade will first upgrade the main image (always upgrade the backup)
• D.To ensure that the upgrade is successful, it is not allowed to power off or restart the iBMC system during the upgrade process.

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Isomorphic computing is a calculation method that uses the same type of instruction set and computing units of the architecture to form a system.

• A.False
• B.True

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The network interrupt binding core on the TaiShan server is relatively obvious. Compared with using the kernel's irbalance to make scheduling on all cores, fixing the interrupt on a certain processor can effectively improve the ability of the service network receiving and sending packets.

• A.True
• B.False

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Software is a series of computer data and instructions organized in a specific order. Which of the following statements about software is wrong?

• A.The system software is responsible for managing various independent hardware in the computer system, providing a platform for the running application software, and adapting to different application software.
• B.Middleware is the software that provides the connection between system software and application software.
• C.Application software is software developed for a specific purpose.
• D.Computer software is divided into system software, application software and middleware in between.

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A TaiShan server running a web service accepts many requests at the same time. In order to reuse TIME-WAIT sockets, what configuration needs to be done to improve the processing capacity? (Multiple choice)

• A.net.ipv4.tcp_tw_reuse=1
• B.net.ipv4.tcp_fin_timeout=10
• C.net.ipv4.tcp_keepalibed_time=1800
• D.net.ipv4.tcp_tw_recycle=1

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