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Q: 1
Which of the following decorators can be used to manage the state of variables in custom components?
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Q: 2
A developer called the getDefaultHost(Context context) interface of BluetoothHost to obtain a Bl1uetoothHost instance for managing local Bluetooth operations. The developer uses the following development steps to implement Bluetooth pairing: 1Turn on Bluetooth. 2Scan Bluetooth. 3. Initiate pairing. Which of the following statements about steps 1, 2, and 3 is true?
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Q: 3
What are the following task distribution methods for developers?
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Q: 4
Which of the following subsystems in HarmonyOS is part of the basic software service subsystem set?
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Q: 5
A software development engineer uses the traditional Bluetooth native management method to manage Bluetooth, which of the following functions can the engineer achieve?
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Q: 6
In the distributed terminal scenario, the "correct person" refers to the data accessor and business operator who have passed identity authentication. The "right person" is a prerequisite to ensure that user data is not illegally accessed and user privacy is not leaked. What does HarmonyOS use to implement collaborative authentication?
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Q: 7
If a HarmonyOS application developer wants to achieve the following effects, which of the following combinations can achieve the effect? Huawei H14 231 V1 question Huawei H14 231 V1 question Huawei H14 231 V1 question A) Huawei H14 231 V1 question B) Huawei H14 231 V1 question C) Huawei H14 231 V1 question D)
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Q: 8
Which of the following are the lifecycle callback functions of Ability?
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Q: 9
A developer needs to use the emulator in DevEco Studio, click to log in to the emulator and enter your HUAWEI ID, and the browser will directly jump to the real-name authentication interface. What are the reasons for this problem?
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Q: 10
There is a config.json configuration file in the root directory of each HAP (HarmonyOS Ability Package) of an application.
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