Huawei LiteOS () can provide a variety of sensing algorithms, application developers do not need to re-development, can be called between?

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.

The main role of the ioT connection management platform is ()? (Multiple choice)

API application scenarios are divided into two types. Some manufacturers only make sensors and various sensors.
There is a car maker.
Also have a family.
There is also a camera.
This is what we call horizontal ecology.

Among the following options, the process initiated by the loT device has ()? (Multiple choice)