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Huawei H14-231_V1.0 Practice Test - Questions Answers, Page 48

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Question 471

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An engineer wrote the following code, which items are correct in the description of the following code?

@Entity(tableName='user',ignoredColumns={'ignoredColumn1','ignoredColumn2'},indices ={@Index(value ={'firstName','lastName'),name='name_index',unique =true)})

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Question 472

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A developer wants to use the list component of the JavaScript UI framework to display a table.

<list class='todo-wraper'

scrollpage='true'

scrollbar='on'

shapemode='round'

scrolleffect='no'>

<list-item for='{{todolist}}'class='todo-item'>

<text class='todo-title'>{{Sitem.title}}</text>

<text class='todo-title'>{{Sitem.date}}</text>

</list-item>

</list>

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Question 473

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HarmonyOS supports on-demand elastic deployment of a variety of terminal devices.

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Question 474

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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?

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Question 475

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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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Question 476

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Which of the following subsystem sets are included in the basic capability subsystem of the HarmonyOS system architecture?

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Question 477

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When testing the Bluetooth Low Energy feature of HarmonyOS, a developer needs to make the central device perform Bluetooth scanning. Which of the following descriptions of the developer's actions are correct?

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Question 478

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When an intent is used to initiate a request, a developer designs to open a link through a browser, but does not care which browser application the user ultimately chooses.

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Question 479

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HarmonyOS provides developers with a HiLog logging system, which of the following log levels are defined in HiLog?

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Question 480

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Which of the following functions does the HarmonyOS network management module provide?

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