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Huawei H14-231_V1.0 Exam Syllabus Topics:

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

1. Relational databases provide the ability to add, delete, modify, and query local data.

A) For interfaces that delete data, the return value indicates the number of deleted data rows, and if the deletion fails, it returns 0.
B) For APIs that query data, you cannot run native SQL statements for query operations
C) corresponds to the interface where data is inserted, and returns the line number of the latest inserted data when the insertion is successful, and 0 when it fails.
D) For interfaces that update data, the return value indicates the number of rows affected by the update operation, and returns 0 if the update fails.

2. What services will be automatically activated after a HarmonyOS Cloud development project is created?

A) SCF
B) Cloud storage
C) Certification services
D) Cloud Database

3. Regarding the callback event of the Video component, the following statement is incorrect

A) onUpdate is triggered when the playback progress changes, the unit is s, and the update interval is 250 ms.
B) onStart is triggered when the video is playing, and you can get the video duration here.
C) This event is triggered at the end of the B onFinish video.
D) Thisevent is triggered when the C onPrepared video is ready.

4. When the state data of @State modification is modified, the () method of the component will be triggered to update the UI interface

A) build method
B) onStart method
C) aboutToAppear method
D) onPageShow method

5. Atomic service is a future-oriented service delivery method provided by HarmonyOS, which of the following statements about atomic service is correct?

A) All HAP packages (including EntryHAP and FeatureHAP) of the Atomic Service are non-installation-free
B) Atomic services are managed and distributed by AppGallery
C) Atomic service consists of one or more HAP packets, and one HAP packet corresponds to one FA or one PA
D) Atomic services do not have desktop icons, but they can be manually added to desktops in the form of service cards
E) Comparedwith the traditional way of installing applications, the E atomic service is lighter, and provides richer entry points and more accurate distribution

Solutions: