Which of the following statements about video recording is correct? (Multiple Choice)

• A.The planned recording function can automatically record according to the time period planned by the user, so that the stored video can be retrieved and checked when needed.
• B.Playback on the wall function to display live images on the large screen, which is convenient for users to view historical video images
• C.Cache supplemental recording function is used to store the video of the bayonet camera on the camera SD card when the network is abnormal, but it does not support the structured data generated by the storage bayonet camera
• D.The recording lock function can keep the recording or extend the recording retention time according to the user's needs, to retain the recording of the important area

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Manually rotate the aperture knob on the lens to adjust the aperture size.

• A.True
• B.False

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Which two types of domains does Huawei Nss protocol use for docking?

• A.Huawei platform and third-party platform
• B.Both are third-party platforms
• C.Both are Huawei platforms
• D.Any platform is fine

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If each Huawei HoloSens IVS1800 is connected to 64 cameras, how many IVS1800 can one iclient support at most?

• A.4
• B.16
• C.2
• D.8

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POE adopts IEEE802.3af standard, and its output power consumption does not exceed ().

• A.50W
• B.15.4W
• C.30W
• D.71W

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