Huawei H14-231_V1.0 Practice Test - Questions Answers, Page 55
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HarmonyOS single-version distributed databases do not enable automatic synchronization between networked devices by default, but you can enable automatic synchronization if necessary.
Cross-terminal migration is a technical solution to realize the flow of user applications, which refers to the simultaneous or alternate operation of FA/PA on multiple terminals to achieve complete services.
If a developer needs to use the JavaScript UI framework to display the bar chart of the month's product sales, he can use the chart component to implement this function.
A developer tries to use the word segmentation feature of HarmonyOS to tokenize a dry word article, and in this scenario, the word segmentation text exceeds 500 characters, so the parameter error will be returned.
A developer tries to use the word segmentation feature of HarmonyOS to tokenize a dry word article, and in this scenario, the word segmentation text exceeds 500 characters, so the parameter error will be returned.
If there are different components in the layout with the same ID, when the component is searched by ID, the last component found will be returned.
A user migrated video from his mobile phone to a smart screen for playback, using the distributed task scheduling capability of HarmonyOS. In this scenario, the process of connecting the mobile phone to the playback software of the smart screen belongs to the remote connection.
A developer has multiple versions of the object-relational mapping database, and the developer calls the BOOKstoreUpgrade class to upgrade the database version, and the version number of the BOOKstoreUpgrade class is configured as '3', and the actual version number of the current BOOKstore.db is '1', in this case, TestormMigration12, TestormMigration23 The onMigration method is automatically called to complete the database upgrade.
HarmonyOS provides the Al capability of speech recognition, which can use machine learning technology to analyze the content of text messages of users in SMS or chat applications, and identify the user intent represented by the message content.
HarmonyOS not only has the system capability of a single device, but also supports deployment on multiple devices with different memory sizes based on the same set of system capabilities.
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