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

HCIP-HarmonyOS Application Developer V1.0

Last Update 57 minutes ago Total Questions : 695

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Question # 91

If a developer wants to develop a Data Ability for the storage and management of application data, which of the following can help the developer realize the function of inserting multiple pieces of data into the database at one time?

insert (Uri uri,ValuesBucket value)

delete(Uri uri,DataAbilityPredicates predicates)

query (Uri uri，String[ ]columns,DataAbilityPredicates predicates)

batchlnsert (Uri uri, ValuesBucket[]values)

Question # 92

TaskDispatcher is the basic interface for Ability to distribute tasks, which hides the implementation details of the thread where the task is located. To ensure that the application is more responsive, we respond to the priority of the design task, which of the following is not the priority of the task?

MIDDLE

HIGH

DEFAULT

LOW

Question # 93

When a developer clicks the exit button of an application to release Page Ability resources, which callback method in the Page Ability lifecycle will be triggered?

onStop()

onlnactive()

onForeground()

onBackground()

Question # 94

When an engineer needs to add the function of recording video when developing an application, which of the following interfaces should be called?

Recorder

Coder

Extractor

Player

Question # 95

A HarmonyOS user downloads and installs a new app that has declared some non-sensitive permissions in the config.json file, and the app may involve some sensitive permissions during operation. Which of the following is correct in this scenario?

For sensitive permissions that may be involved in the operation of the application, the authorization method is system authorization (system_grant)

For the non-sensitive permissions declared by the application in the config.json file, the application will be dynamically applied for during use

Non-sensitive permissions declared by the app in the config.json file are automatically granted when the user installs the app

For the non-sensitive permissions declared by the app in the config.json file, the authorization method is user authorization (user_grant).

Question # 96

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

Question # 97

Which of the following belongs to the lifecycle of starting a Service Ability?

onStart()→onComrand()→onBackground()→onStop()

onStart()→onCommand()—onForeground()→onBackground()→onStop()

onStart()→onCommand()→onStop()

onStart()→ onCommand()→onBackground()→ onDisconnect()→onStop()

Question # 98

The HarmonyOS video module supports the development of video services and the opening of the ecosystem, allowing developers to easily play, operate, and develop new functions of video media through the open interfaces. Video playback includes playback controls, playback settings, and playback queries, such as start/stop playback, playback speed settings, and whether to loop playback. When developing a video playback feature, which of the following steps is correct?

Create a Player instance→ construct a data source object and set the media source → call method prepare(), →call method play(), call method stop(→→ call method release()

Create a Player instance → call the prepare() → play() → construct the data source object and set the media source→ call the stop() → release().

Construct a data source object and set the media source→ create a Player instance→ call method play(), →call method prepare(), →call method stop(→ call method release()

Call the prepare() method → create a Plawer instance→ construct a data source object and set the media source → call method→ create a Player instance, Play() → call method stop() → call method release()

Question # 99

When a developer specifies a music playback service through an intent when closing a remote service, the developer can realize the ability to disable music playback on remote devices.

Disconnect remote FA (Feature Ability).

Disabling Remote PA (Particle Ability)

Connect to remote PA (Particle Ability)

FA (Feature Ability) is a cross-line device migration

Question # 100

Which of the following modules provides an E2E encrypted channel in the HarmonyOS streaming architecture to provide a secure cross-terminal transmission mechanism for user applications?

distributed soft bus

Forwarding task management services

Distributed security

Distributed task scheduling

Question # 101

A developer found that the app could not use the network management function of Harmony OS without requesting permissions. In order to use the network management feature, the developer requested the following permissions for their app, which of them is not required for the network management feature?

ohos.permission.SET_NETWORK_INFO

ohos.permission.INTERNET

ohos.permission.LOCATION

ohos.permission.GETNIPORK_INFO

Question # 102

When a user is traveling by car, a navigation route is planned on the mobile phone, and after getting into the car, the user migrates the mobile phone navigation to the large screen of the car machine. In this scenario, which interface is used to implement cross-device migration?

IAbilityConnection

IAbilityContinuation

AbilityContinuation

AbilityConnection

Question # 103

Which of the services provided by the HarmonyOS Connect solution is Device Parter?

Official Documentation

Service platform

Training support

Certification Testing

Question # 104

How to realize distributed communication between two existing Harmony OS devices?

Configure the ohos.permission.lNTERNEl permission in the configuration file

Configure ohos.permission.DISTRIBUTED_DATASYNC permission in the configuration file and dynamically request this permission again

Configure ohos.permission.DISTRIBUTED_DATASYNC permissions in the configuration file

Configure the ohos.permission.IlNTERNET permission in the configuration file and dynamically request this permission again

Question # 105

What is the process of cross-terminal migration from an application on HarmonyOS device A to the application on device B by calling the distributed task scheduling capability to continue sbility?

Preparation for circulation

Circulation

End of circulation

The circulation is complete