H14-231_V1.0 Huawei HCIP-HarmonyOS Application Developer V1.0 exact Exam Questions

HCIP-HarmonyOS Application Developer V1.0

Last Update 55 minutes ago Total Questions : 695

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Question # 181

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 account 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?

The developer can do this with the help of UUIDs, because apps can use UUIDs to uniquely identify the same device during their lifetime

If the developer borrows the UUID to achieve the above requirements, the UUID logo will still exist after the application is uninstalled.

The developer can do this with the help of DVID, because the application can access and manage distributed devices based on the DVID

If you use a DVID to achieve the above functions, the DVE is strongly associated with your HarmonyOS account and application information, so you can prevent other applications from accessing the current application data.

Question # 182

What development steps does a developer use to develop an application with a UI?

Create a project

Run the program

Design interface

Implement the function

Question # 183

Which of the following subsystems in HarmonyOS is part of the basic software service subsystem set?

Media Subsystem

Location Services Subsystem

Telephony subsystem

Event Notification Service Subsystem

Question # 184

When using HarmonyOS distributed terminals, which of the following items can ensure that the system is safe and reliable?

Distributed multi-terminal collaborative identity authentication

The distributed terminal must be a Huawei product

In the process of cross-terminal flow of distributed data, the data is classified and hierarchically managed

Build a trusted operating environment on distributed terminals

Question # 185

ArkTS Stage model supports API Version 9, is it correct about its project directory structure?

A oh-package.json5 is used to store application-level configuration information, including signatures, product configurations, etc

B build-profile.json5 is used to configure the entry and package name of the third-party package declaration file

C module.json5 contains the configuration information of HAP, the configuration information applied to a specific device, and the global configuration information of the application

D app.json5 is used to write application-level compilation and build task scripts

258 DevEco Studio provides an emulator for developers to run and debug HarmonyOS applications/services.

A local emulator is created and runs on the local machine and requires login authorization

B The local emulator supports functions such as volume adjustment, battery level adjustment, screen rotation, etc

C You don't need to sign your application/service when you install it on your local emulator

D DevEco Studio will start the compilation build of the application/service, and the application/service will run on the local simulator after completion

259. After installing Lottie through OHPM, in which file will the relevant configuration information be generated?

module.json5

oh-package.json5

app.json5

main_page.json

Question # 186

Which of the following combinations cannot realize two-way data synchronization between child components and parent and child components?

@State and @Link

@Provide and @Consume

@Observed and @ObjectLink

@State and @Prop

Question # 187

Which of the following items is correct about the objects of HarmonyOS permission protection?

Photos, contacts, calendars, locations, etc. are app data

Popping up a floating box and creating a shortcut belong to the device capabilities

Device identification, camera, microphone, etc. belong to device data

The objects protected by permissions can be divided into data and capabilities

Question # 188

Which of the following operations can be performed through the @ohos.systemTime module?

Set the system time

Set the system alarm

Set the system period

Set the system time zone

Question # 189

HarmonyOS provides developers with data management functions, which of the following are the following?

Converged Search

Data storage management

Distributed data services

Distributed file services

Local database

Question # 190

Which of the following is an event method that can obtain the offset of the List slide

onScroll

onScrolllndex

onReachStart

onReachEnd

Question # 191

The application package name cannot contain some reserved fields, which of the following fields meets the specification?

test

harmony

system

ohos

Question # 192

When a developer wants to make the vertical scrolling layout take effect when using the ScrollView control, how should the width of the control corresponding to the layout be set?

match_child

Fixed width value

match_parent

match_content

Question # 193

A developer needs to use the current data network for socket data transmission, and the development process involves the following steps:

1。 Send data with sockets.

2。 Bind the network with NetHandle.bindSocket().

3。 Call NetManager.getDefaultNet() to get the default data network.

4。 Call NetManager.getInstance(Context9) to get the instance object of network management.

When the developer combed through the development steps, the above steps were sorted according to the order in which the features were completed in the code. Which of the following is the correct order?

4→1→2→3

4→2→1→3

4→3→2→1

2→1→4→3