1. Which of the following atomic layout capabilities does not belong to the position of the control element?

2. When I use the interface to set the system time in HarmonyoS, which of the following is the smallest time unit?

3. Which of the following products belongs to the security products in the smart home ecology?

4. Which of the following modules provides an E2E encrypted channel in the HarmonyOS streaming architecture to provide a secure cross-terminal transmission mechanism for user applications?

5. After the creation of a custom component of the Web development paradigm, which of the following callbacks will be triggered when it is added to the Page component tree?

6. When a HarmonyOS app developer uses the form container, which of the following elements can be submitted and reset?

7. What is the process of cross-terminal migration from an application on HarmonyOS device A to the application on device B by calling the distributed task scheduling capability to continue sbility?

8. Which of the following modules does a developer need to call to check whether the HarmonyOS cellular data service is enabled?

9. When a developer uses the Text component for development, due to the long length of the input string, the content in the middle of the text needs to be truncated with ellipses. Which of the following codes can be used to achieve the above requirements?

10. Which of the following subsystems is not part of the basic software service subsystem of HarmonyoS?

11. Which description of the HarmonyOS clipboard can be correctly interpreted in the following scenarios?

12. If a HarmonyOS engineer is about to debug a HarmonyOS application on an emulator device, which of the following debugging processes is correct?

13. Which of the following fields is not within the scope of permission?

14. When a developer clicks the exit button of an application to release Page Ability resources, which callback method in the Page Ability lifecycle will be triggered?

15. Which of the following is NOT part of the software exposure capabilities provided by HarmonyOS Connect?

16. In the declarative development paradigm, which of the following decorator decorated state variables needs to be initialized locally, and the initialized value can be overridden by the construction parameters?

17. In order to test the distributed file service functions of application A and application B, the developer installs application A and application B on both device 1 and device 2. During the test, application A on device 1 creates a distributed file X, and application B on device 2 creates a distributed file Y.
Which of the following descriptions of this scenario is wrong?

18. Now a Text component is used as the title of a page, and Text needs to be set to be invisible, but it still occupies the current layout space, which of the following is correct?

19. If a developer wants to develop a page with a tab function, the developer can use the TabList component provided by HarmomyOS. If you want to set the horizontal center alignment of text, which of the following codes is correct?

20. When the user clicks on a song from the music list page and jumps to the playback interface of the song, the principle is that the page route routes to the destination page according to which of the following?

21. In the HarmonyOS system architecture, which of the following provides unified peripheral access capabilities and driver development management framework?

22. If a UI is no longer visible to the user, but you don't want to destroy it, which method will the system call to release the corresponding resources?

23. TaskDispatcher is the basic interface for Ability to distribute tasks, which hides the implementation details of the thread where the task is located. To ensure that the application is more responsive, we respond to the priority of the design task, which of the following is not the priority of the task?

24. If a developer needs to solve problems such as insufficient image resolution and image compression noise, which of the following AI capabilities can be used by HarmonyOS?

25. In HarmonyOS application development, where can commonly used backgrounds, such as common text backgrounds and button backgrounds, be placed?

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

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

28. 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?

29. 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?

30. 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?

31. Which of the following is NOT a component of the Harmony OS object-relational mapping database?

32. Which of the following belongs to the lifecycle of starting a Service Ability?

33. If a developer wants to use the JavaScript UI framework to develop a graffiti application that allows users to draw custom graphics, which of the following components can be used by the developer?