When checking the power supply of the camera, for the ball camera without power supply instructions, you can judge whether the power supply of the camera is normal by checking whether it can automatically rotate after power-on.

• A.False
• B.True

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Which of the following conditions is not a requirement for the installation environment of intelligent traffic surveillance cameras?

• A.ambient brightness needs 701ux to 9001ux between
• B.Try to avoid installing near objects with strong reflective characteristics such as glass, floor tiles, water surfaces, leaves, road signs, billboards, etc.
• C.Try to avoid any liquid that can flow into the inside of the equipment
• D.Try to install on both sides of the road to get the best view

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In the central cloud platform solution, the data disk on Ocean Stor9000 is used to store structured and semi-structured data.

• A.False
• B.True

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Which of the following descriptions about the characteristics of the view library system are correct?

• A.Visual library system architecture can realize the separation of data and application
• B.Video gallery cannot solve the problem of video information storage
• C.The video library system architecture cannot support big data applications
• D.All equipment that realizes the extraction of " key information " of video content must meet the standards of the video library system

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Which of the following descriptions about the view library system interface is wrong?

• A.Depending on the data of each subsystem of the library, the information interaction needs to be completed through the corresponding interface
• B.All levels of video information databases are interconnected through cascading interfaces
• C.Cross-level fortification information interaction needs to be completed through the corresponding interface, and non-cross-level fortification information interaction can be completed without the corresponding interface.
• D.Through the collection interface, the video data can be collected into the video information database

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