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• A.Interruption
• B.Semaphore
• C.Queue
• D.Mutex locks

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When the northbound application calls the authentication interface, what parameters are required ()?

• A.appid
• B.secret
• C.appid and secret
• D.accesstoken

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The unit of the parameter of the delay interface LOS_TaskDelay() is ()?

• A.ms
• B.us
• C.Tick
• D.second

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After the Ailecontroller and the gateway are successfully connected. Check the connection status on the gateway, and the display is ()?

• A.enable
• B.connected
• C.alive
• D.certified

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Among the following options, the advantages of the Huawei LiteOS operating system kernel are

• A.Quick start
• B.Ultra-small core
• C.Compatible with Linux
• D.Low power consumption
• E.High stability

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