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Huawei HCIP-HarmonyOS Application Developer V1.0 Sample Questions:

1. When developing a HarmonyOS application, a developer receives the following product request: If a user logs in to the same HarmonyOS account on device A and device B, the user can log in to the app on device A and synchronize the application account authentication information to device B as needed. After the account authentication information is synchronized, the user can open the application on device B and log in directly without entering the application account authentication information again. Which of the following descriptions of this scene is correct?

A) If the developer uses the UUID to achieve the above requirements, the UUID flag will still exist after the application is uninstalled
B) The developer can use the UUID to do this, because the app can uniquely identify the same device with the UUID during its lifetime
C) The developer can do this with the help of DVID, as the application can access and manage distributed devices based on the DVID
D) If the developer uses the DVIDto achieve the above functions, the DVID is strongly associated with the HarmonyOS account and application information, so it can prevent other applications from accessing the current application data

2. A developer needs to use the current data network for socket data transmission, and the development process involves the following steps:
1Send data with sockets.
2Bind the network with NetHandle.bindSocket().
3Call NetManager.getDefaultNet() to get the default data network.
4Call NetManager.getInstance(Context9) to get the instance object of network management.
When the developer combed through the development steps, the above steps were sorted according to the order in which the features were completed in the code. Which of the following is the correct order?

A) 4321
B) 4213
C) 4123
D) 2143

3. If a developer needs to use asyncDispatBarrionr to set up a barrier asynchronously, in this scenario, in order to separate different task groups, which of the following can the developer choose?

A) ParallelTaskDispatcher
B) GlobalTaskDispatcher
C) SpeeTaskDispatcher
D) serialTaskDispatcher

4. Which of the following descriptions of the global concurrent task distributor and the concurrent task distributor is correct?

A) The global concurrent task distributor is globally unique
B) Concurrent task distributor is globally unique
C) Concurrent task dispatcher, created by Ability to execute createParallelTaskDispatcher() and returned
D) Global concurrent task dispatcher, obtained by Ability by executing getGlobalTaskDispatcher().

5. When a developer designs a PA (Particle Ability) application, which of the following development steps can be omitted?

A) Create a project
B) Run the program
C) Design interface
D) Implement the function

Solutions: