Which of the following descriptions about the video site network selection is wrong?

• A.For some remote areas that cannot be covered by wired networks, consider using wireless methods such as microwave and LTE
• B.The transmission distance of microwave is not far, usually less than km. Therefore, the microwave method cannot be used in scenarios with long transmission distance.
• C.In the bustling urban area, the network access method of the switch is usually considered
• D.The GPON method is suitable for deploying optical fiber areas, and the video sites are covered by large-capacity and high-density

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In video analysis, if you want to obtain the trajectory of the target object, you can track the moving object and record the center of mass of the moving object to connect all the center of mass to form the trajectory of the moving object.

• A.False
• B.True

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When the CSP after the installation is complete, the virtual console in the need to disconnect the disc image, and iBMC on interface " boot media is valid " is set to " permanent ", " boot media " modify " hard "

• A.True
• B.False

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Container and cloud computing technologies have been applied to light edge platforms and central cloud platforms respectively. Which of the following descriptions of the two technologies are correct? (Multiple choice)

• A.A virtual machine provides an environment for virtual hardware machines at the hardware level, while a container provides an environment for virtual operating systems at the operating system level
• B.Due to the excellent virtualization capabilities and resource utilization capabilities of the container, its scalability is better than that of virtual machines.
• C.The commonality of virtual machines and containers is the solution of virtualizing one resource object into multiple resource objects through virtualization technology
• D.Compared with the virtual machine, the security performance of the container is insufficient, and the scope of impact after being hacked is large

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To determine whether a site's network transmission supports microwave mode, which of the following site survey elements should be paid attention to?

• A.Site installation location
• B.Camera irradiation area
• C.Site network transmission method and routing
• D.On-site constructability survey

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