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H14-231_V1.0 Exam Dumps - Huawei Certification Questions and Answers

Question # 49

Where is the data of the preference placed after persistence?

Options:

A.

In memory

B.

database table

C.

file

D.

Cloud

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Question # 50

Which of the following combinations can realize the one-way state synchronization of child components from parent and child components?

Options:

A.

@State and @Link

B.

@Provide and @Consume

C.

@State and @Prop

D.

@Observed and @ObjectLink

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Question # 51

When a user is on a video call,Want to migrate the mobile phone video to the smart screen for playback,When clicking Migrate,Find that the smart screen is already in the optional list,What are the items in the description of the scene?

Options:

A.

The mobile phone and the smart screen can be different HUAWEI ID

B.

embodies the self-discovery function of the distributed soft bus

C.

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

D.

embodies the characteristics of extremely fast transmission of distributed soft bus

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Question # 52

Which of the following component hierarchies is wrong?

Options:

A.

list>listltem>Column

B.

Column>List>Listltem

C.

Grid>Row>Gridltem

D.

Grid>Gridltem

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Question # 53

Which of the following items are involved in migrating Page from device A to device B?

Options:

A.

Thesystem calls back the onStartContinuation( ) method of all AbilitySlice instances on the Page on device A and all AbilitySlice instances in its AbilitySlice stack

B.

requests migration from the Page on Device A

C.

The system calls back the onCompleteContinuation( ) method of all AbilitySlice instances on the Page on Device A and all AbilitySlice instances in its AbilitySlice stack

D.

If the migration can be done immediately, the system calls back the onSaveData( ) method of all AbilitySlice instances on the Page on device B and all AbilitySlice instances in its AbilitySlice stack

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Question # 54

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?

Options:

A.

The developer can do this with the help of UUIDs, as the app can be used during its lifetime

The UUID uniquely identifies the same device

B.

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

C.

Developers can achieve the above requirements with the help of DVID, because the application can be accessed and managed according to the DVID

Distributed equipment

D.

If the developer uses the DVIDto achieve the above functions, the DVID is strongly associated with the HarmonyOS account and application information, so it can prevent other applications from accessing the current application data.

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Question # 55

Which of the following resource directories should the pictures, audios, videos and other media files involved in the application development process be placed in?

Options:

A.

animation

B.

graphic

C.

media

D.

Element

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Question # 56

HarmonyOS not only has the system capability of a single device, but also supportsdeployment on multiple devices with different memory sizes based on the same set of system capabilities.

Options:

A.

True

B.

False

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Question # 57

If a developer wants to implement the page swiping function in an application, which of the following components can be used to implement the function?

Options:

A.

Picker

B.

ListContainer

C.

Switch

D.

ScrollView

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Question # 58

Which of the following service SDKs has been integrated with device-cloud integration?

Options:

A.

SCF

B.

Cloud Database

C.

Cloud storage

D.

Cloud hosting

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Question # 59

What is the correct description of the http module?

Options:

A.

HTTP requests support common request methods, such as get, post, and put.

B.

can use on(headersReceive') to subscribe to the request response header.

C.

Theparameters of thepost request can be specified in extraData.

D.

After the createHttp command is successfully executed, an httpRequest object is returned, which includes the request, destroy, on, and off methods.

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Question # 60

Which of the following properties of state decorator decorating must be initialized locally?

Options:

A.

@State

B.

@Prop

C.

@Link

D.

@Provide

E.

@Consume

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Question # 61

HarmonyOS adopts a multi-core design, which supports the selection of appropriate OS kernels for different resource-constrained devices, and which of the following capabilities does the kernel provide for the operating system?

Options:

A.

file system

B.

Memory management

C.

Peripheral management

D.

Thread management

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Question # 62

To publish a public event with permissions in HarmonyOS, you need to set subscriber permissions in the code.

Options:

A.

True

B.

False

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Question # 63

What functions does UIAbility's lifecycle include?

Options:

A.

onCreate

B.

onForeground

C.

onBackground

D.

onDestroy

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Exam Code: H14-231_V1.0
Exam Name: HCIP-HarmonyOS Application Developer V1.0
Last Update: Apr 2, 2025
Questions: 695
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