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Huawei H14-231_V1.0 Practice Test - Questions Answers, Page 49

Question list

List of questions

Question 481

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Which modules in the following figure can be installed and operated independently?

Question 482

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

Question 483

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If a developer uses the DevEco Studio tool for application development, which of the following commissioning methods does the tool support?

Question 484

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Which of the following functions does the HarmonyOS network management module provide?

Question 485

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

Question 486

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What are the following types of task dispensers that HarmonyOS provides for developers?

Question 487

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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? <swiper

Question 488

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Which of the following container components can be scrolled

Question 489

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Which of the following are the lifecycle callback functions of Ability?

Question 490

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Which of the following information is contained in moduleJSON5 under entry?

Related questions

When a developer is developing an online education application, in order to improve the user experience, if the user Answer:s the question correctly, a dialog box of 'Congratulations on the correct Answer:' will pop up at the top of the window.

Which of the following sorting types does the trusted list of devices found by HarmonyOS Device Manager contain?

fter a developer sets :ohos:layout_alignment='horizontal_center' in the Text component, he writes: text.setMarginRight (600) in the code, where is the Text displayed in the parent layout?

In the HarmonyOS system architecture, the distributed data management module belongs to the framework layer.

Which modules in the following figure can be installed and operated independently?

A developer needs to cancel a task, but part of the code segment he wrote was deleted by mistake. The remaining codes are as follows, with the missing codes indicated by the dash: TaskDispatcher dispatcher = getUlTaskDispatcher(); Revocable revocable = ________________________(new Runnable(){ @Overide Public void run(){ HiLog.info(L . ABEL_ _LOG,'delay dispatch'); } },10); Boolean revoked = revocable.revoke(); HiL og.info(L _ABEL_ LOG),'%{public}b' ,revoked); Which of the following might be missing pieces in the above code?

The default size of shared memory in Harmony OS is ?

A developer is developing a flight booking application, and uses the sliding selector Picker to select the location of the ticket and writes the following code.

Which of the following classes is the base class for JavaScript FA (Feature Ability) to run on HarmonyOS?

The callback mechanism provided by the Ability class can enable the Page instance to switch in the background following the user's operation.

Question 481

Which modules in the following figure can be installed and operated independently?

Entry.hap

FeatureB.hap

FeatureC.hap

FeatureA.hap

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Question 482

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

Bluetooth device scan can be initiated through the startBtDiscovery() interface

Before starting Bluetooth scanning, you need to register to broadcast BluetoothRemoteDevice EVENT_DEVICE_DISCOVERED

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

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

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Question 483

If a developer uses the DevEco Studio tool for application development, which of the following commissioning methods does the tool support?

Android Debug Bridge

Previewer

Simulator

Real machine

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Question 484

Which of the following functions does the HarmonyOS network management module provide?

Data connection management

Data network management

Traffic statistics

Create a local socket

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Question 485

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

Application Layer

Front-end frame layer

Engine Layer

Platform adaptation layer

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Question 486

What are the following types of task dispensers that HarmonyOS provides for developers?

Global Concurrent Task Dispenser

Concurrent task distributor

Serial task dispenser

Proprietary task distributor

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Question 487

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?

<swiper class='swiper'id='swiper'index='0'

indicator='true'autoplay='true'interval='2000'

loop='true'digital='false'></swiper>

subassembly loops

subcomponent autoplay

Navigation points can be manipulated

subcomponent autoplay interval 20s

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