Which of the following options belong to the open capability of the IoT connection management platform?

• A.Open to the downward agent
• B.Open terminal management platform
• C.Pre-integrated high-value industries
• D.Open up API

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Intelligent ultrasonic water meter, the main function of the water temperature sensor ()?

• A.Avoid using the water meter as a hot water meter
• B.Correct the error caused by the temperature effect of ultrasonic measurement and improve the accuracy
• C.Prevent the temperature from being too low and causing the water meter to freeze and rupture
• D.All of the A, Bove

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Is the programming voice used in the Keil integrated development environment in the example ()?

• A.Java
• B.Python
• C.PHP
• D.C

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Regarding the description of the northbound application to register directly connected devices, which is incorrect ()?

• A.Register directly connected device interface, not only can be used to register directly connected devices, but also can be used to register non-directly connected devices
• B.After the interface of the registered direct-connected device is called, if the binding is not completed within the timeout range, the device registration will be invalid
• C.When registering directly connected devices, nodeid recommends using the MAC address of the device
• D.When registering directly connected devices, if timeout is set to 0, there is no timeout setting

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APP scan code need to get () information? (multiple choice)

• A.Server IP address
• B.Latitude
• C.longitude
• D.Equipment name

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