In a multi-task system, each task needs to be synchronized or mutually exclusive to realize the protection of critical resources, and the () function can provide support.

• A.interrupt
• B.In the signal
• C.Task
• D.Queue

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Among the following options, which terminal access methods that are not commonly used in smart homes are ()?

• A.Z-Wave
• B.RF
• C.WiFi
• D.Zigbee

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Need to set () information to add task season to HuaweiLiteOS task stack? (multiple choice)

• A.Task priority
• B.Task creation time
• C.Task entry function
• D.Task stack size

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Among the following options, the process initiated by the IoT device is ()? (multiple choice)

• A.Southbound registration process
• B.Southbound message reporting process
• C.Control message delivery process
• D.Business release process

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Can the MobileCam solution be widely used in the following () fields? (multiple choice)

• A.Drone
• B.smart camera
• C.Video doorbell
• D.sports DV

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