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Pass the Huawei HCIP-HarmonyOS H14-231_V1.0 Questions and answers with ExamsMirror

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Questions # 16:

Encoding is the process of converting information from one form or format to another, which of the following can be encoded?

Options:

A.

text

B.

figures

C.

Image

D.

video

Questions # 17:

What functions does UIAbility's lifecycle include?

Options:

A.

onCreate

B.

onForeground

C.

onBackground

D.

onDestroy

Questions # 18:

A developer uses the JavaScript UI framework's swiper sliding container to develop a banner scrolling effect, which are the correct items in the following description of the swiper code?

indicator="true"autoplay="true"interval="2000"

loop="true"digital="false">

Options:

A.

subassembly loops

B.

subcomponent autoplay

C.

Navigation points can be manipulated

D.

subcomponent autoplay interval 20s

Questions # 19:

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

Options:

A.

SCF

B.

Cloud Database

C.

Cloud storage

D.

Certification services

Questions # 20:

Which of the following functions is a lifecycle function for a custom component?

Options:

A.

aboutToAppear

B.

aboutToDisappear

C.

onPageShow

D.

onPageHide

E.

onBackPress

Questions # 21:

What are the following options that belong to the JavaScript UI framework?

Options:

A.

Application Layer

B.

Front-end frame layer

C.

Engine Layer

D.

Platform adaptation layer

Questions # 22:

Which of the following descriptions of traditional Bluetooth operation is correct for HarmonyOS devices?

Options:

A.

Before you start Bluetooth scanning, you need to register for a broadcastBluetoothRemoteDevice.EVENT_DEVICE_DISOOVERED

B.

can initiate a Bluetooth device scan through the startBtDiscovery() interface

C.

If you want to get the scanned device, you must inherit the onReceiveEvent (CommonEventData data) method that implements the CommonEventSu business scriber class when you register the broadcast, and receive the EVENT_DEVICE_DISCOVERED broadcast

D.

You can use the getLocalName() interface to check whether Bluetooth is turned on

Questions # 23:

If an engineer uses the two-way preview function of JavaScript in DevEco Studio, which of the following items can be supported after the function is enabled?

Options:

A.

Component Tree

B.

Code Editor

C.

UI interface

D.

Terminal

Questions # 24:

What are the reasons why a developer wants to use the previewer in DevEco Studio to view the application interface of the design, but the previewer cannot be used?

Options:

A.

Preview is not supported for files currently open in the editor

B.

SDK has not been updated to the latest version

C.

The previewer resource was not downloaded

D.

Projectis not synchronized successfully

Questions # 25:

When developing HarmonyOS applications, if the client and server need to communicate across processes, you can use idl to define programming interfaces that are recognized by both.

Options:

A.

True

B.

False

Questions # 26:

The main function of EventHandler is to deliver InnerEvent events or Runnable tasks to other threads for processing.

Options:

A.

IDLE

B.

HIGH

C.

LOW

D.

IMMEDIATE

Questions # 27:

Which of the following components are container components?

Options:

A.

Button

B.

Row

C.

Column

D.

Image

E.

TextInput

Questions # 28:

What attributes are supported by attribute animations?

Options:

A.

width

B.

rotate

C.

opacity

D.

scale

Questions # 29:

When an intent is used to initiate a request, a developer designs to open a link through a browser, but does not care which browser application the user ultimately chooses.

Options:

A.

Action

B.

AbilityName

C.

Entity

D.

BundleName

Questions # 30:

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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