H14-231_V1.0 Exam Dumps - HCIP-HarmonyOS Application Developer V1.0

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Question # 161

A HarmonyOSengineer needs to apply for a digital certificate to complete the release of the application, which of the following descriptions of digital certificates is wrong?

Issued by AppGallery Connect

You need to use DevEco Studio to generate a key

Digital certificates are used to ensure the integrity of the application

The digital certificate format is .csr

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Question # 162

In the stage model, what are the following configuration files that belong to the AppScope folder?

main_pages.json

module.json5

app.json5

package.json

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Question # 163

The log content filtered by a developer through relevant information is: 01-20 16:08:36.908

23597/com.example.myapplication W

00201/MY-TAG:Failed to visit,reason:503.Which of the following cannot be obtained by analyzing this log?

is defined in the HiLogLabel

Errnovalue

Reachable URL value

The log level is WARN

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Question # 164

Which of the following databases uses SQLite as the persistent storage engine in HarmonyOS data management?

Relational database

Object-relational mapping database

Lightweight preference database

Distributed data services

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Question # 165

If a user wants to migrate the video of his mobile phone to the smart screen for display on a video call, what are the correct items in the description of the scene?

The mobile phone and the smart screen need to be under the same LAN

Unauthorized HUAWEI IDs are not available

The mobile phone and the smart screen can not be interconnected

You need to use the same HUAWEI ID on both the phone and the smart screen

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Question # 166

What is the API for lottie to subscribe to events?

lottie.setSpeed()

lottie.setDirection()

animationltem.addEventListener()

animationltem.removeEventListener()

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Question # 167

Which of the following positioning capabilities does the location service subsystem of HarmonyOS provide?

WLAN location

GPS

Beidou

Base Station

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Question # 168

When designing the application, the developer added a Text component and a Button component, and the development sample is shown below. What layout does the developer not have to choose to place the components?