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?
Answer(s): C
Developers will use the UI framework provided by Harmony OS when developing mobile phone pages, which of the following is not a UI framework?
Answer(s): B
HarmonyOS provides developers with different abilities according to different application scenarios, for example, if a developer plans to develop a background music playback function, which of the following is correct about the configuration of the ability in config.json?
Answer(s): A
A HarmonyOS user downloads and installs a new app that has declared some non-sensitive permissions in the config.json file, and the app may involve some sensitive permissions during operation. Which of the following is correct in this scenario?
When a developer designs a navigation application and needs the system to provide accurate positioning, which subsystem will be used?
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