QUESTION: 49 Exam Topic: 1, Exam Pool A

Which of the following subsystems does a developer use when using the facial recognition feature of HarmonyOS?

Multi-mode input subsystem
Media Subsystem
Safety subsystem
Graphics subsystem

Answer(s): C

QUESTION: 50 Exam Topic: 1, Exam Pool A

How do I define the permissions correctly when a developer needs to customize the permissions for a third-party application for Harmony OS?

module: {
reqPermissions: [{
name:com.myability.permission.MYPERMISSION,grantMode:system_grant, availableScope: [signatures]
}
}
module: {
defPermissions: [{
name:name:com.myability.permission.lNTERNET,
grantMode:user grant,
availableScope: [signatures]
}
}
module: {
defPermissions: [{
name:name:com.myability.permission.INTERNET,
grantMode:system_grant,
availableScope: [signatures]
}
}
module: {

defPermissions: [{
name:name:com.myability.permission.MYPERMISSION,
grantMode:system_grant,
availableScope: [signatures]
}
}

Answer(s): D

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QUESTION: 51 Exam Topic: 1, Exam Pool A

A developer needs to use the current scattered data network for socket data transmission, in this scenario, the development process involves the following steps: 1. Use socket to send data.2. Call NetHandle.bindSocket() to bind the network.3. Call NetManager.getDefaultNet() to get the default data network.4. Call NetManager.getInstance(ContextWhen the developer sorts out the development steps, the above steps are sorted according to the order in which the functions are completed in the code.
Which of the following is the correct order?