Free H14-231_V1.0 Exam Braindumps (page: 12)

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Which of the following is NOT a capability provided by Distributed Device Virtualization in HarmonyOS?

  1. device is virtual
  2. Decision-making centre
  3. Device management
  4. Data Processing

Answer(s): B



In order to cope with complex application business logic, a developer needs to create multiple threads to perform multiple tasks. In this case, the code is complex and difficult to maintain, and the interaction between tasks and threads becomes more complex. To solve this problem, which of the following interfaces can the developer use to distribute different tasks?

  1. TaskDispatcher
  2. Group
  3. lAbilityMlanager
  4. BackgroundTaskManager

Answer(s): A



What lifecycle processes will be triggered when a developer creates a Page instance and lets the instance be displayed in the foreground?

  1. onStart()onActive()
  2. onStart() onActive() onInactive()
  3. onBackground()onForeground()onStop()
  4. onActive() onInactive()

Answer(s): A



If a developer wants to develop an application on a smart screen, which of the following subsystems will he use?

  1. DV subsystem
  2. Proprietary business subsystem of smart screen
  3. Media Subsystem
  4. Safety subsystem

Answer(s): B






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