AzureStack is an extension of Microsoft's public cloud platform Azure and is Microsoft's hybrid cloud solution.

• A.True
• B.False

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Company A has purchased a batch of Taishan servers to build a Web system. Which of the following software can provide Webserver functions? (Multiple choice)

• A.Memcached
• B.Apache
• C.Nginx
• D.LVS

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There are two main types of physical interfaces of the network card: electrical and optical.

• A.True
• B.False

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Which of the following is the correct understanding of the principle of high-availability clusters? (Multiple choice)

• A.In a master-slave high-availability cluster, the standby server detects the operating status of the primary server through the heartbeat line. If it cannot detect the "heartbeat" of the primary server, it automatically takes over the resources of the primary server.
• B.The high availability of a computing system is measured by the reliability and maintainability of the system.
• C.High-availability cluster refers to the use of the fault tolerance of the cluster system to provide 7X24 uninterrupted services to the outside world, aiming to provide highly reliable services.
• D.High-availability clusters have two working modes, master-master working mode and master-slave working mode.

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The government and public security departments need to build a video image analysis platform, adopt Huawei's full-target structured solution, and require a single machine to support a maximum of 192 channels of 1080P full-frame face recognition tasks, or 192 channels of 1080P full-frame structured tasks. Which of the following is the suitable server Selection scheme?

• A.Atlas800 3010 6 block Atlas300
• B.Atlas800 3010 4 block Atlas300
• C.Atlas800 3010 1 block Atlas300
• D.Atlas800 3010 2 block Atlas300

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