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Huawei H14-231_V1.0 Practice Test - Questions Answers, Page 3

Question list

List of questions

Question 21

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What components are the components of the Webview entrance in HarmonyOS?

Question 22

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Which of the following modules provides a full-duplex communication co-ordination?

Question 23

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When creating an application, which field in the config.json file must be the same as the application package name?

Question 24

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After the open beta version is released, how can I add additional test users?

Question 25

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When the state data of @State modification is modified, the () method of the component will be triggered to update the UI interface

Question 26

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The meta-service package consists of one or more HAP packages, and each HAP package shall not exceed ( ) to provide a second-to-open experience.

Question 27

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When a developer uses HarmonyOS Device Manager, he wrote the following code, which code description is correct? Vardevicelnto=dmInstance.getLocaIDevicelnfoSync () :

Question 28

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Which of the following atomic layout capabilities does not belong to the position of the control element?

Question 29

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When I use the interface to set the system time in HarmonyoS, which of the following is the smallest time unit?

Question 30

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Which of the following products belongs to the security products in the smart home ecology?

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?

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

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?

An engineer uses the WLAN P2P function, and the engineer can establish a P2P group.

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

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.

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?

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

The default size of shared memory in Harmony OS is ?

Question 21

What components are the components of the Webview entrance in HarmonyOS?

HTTP

Rich Text

Web Components

Socket

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Question 22

Which of the following modules provides a full-duplex communication co-ordination?

HTTP

WebSocket

Socket

Request

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Question 23

When creating an application, which field in the config.json file must be the same as the application package name?

package

name

bundleName

page

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Question 24

After the open beta version is released, how can I add additional test users?

is added directly in the current version

needs to re-release a new beta version to add users

Appended directly after the current version

Users need to be added before releasing a new beta version

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Question 25

When the state data of @State modification is modified, the () method of the component will be triggered to update the UI interface

build method

onPageShow method

aboutToAppear method

onStart method

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Question 26

The meta-service package consists of one or more HAP packages, and each HAP package shall not exceed ( ) to provide a second-to-open experience.

2GB

10M

1GB

Unlimited

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Question 27

When a developer uses HarmonyOS Device Manager, he wrote the following code, which code description is correct?

Vardevicelnto=dmInstance.getLocaIDevicelnfoSync () :

Obtain the local device information synchronously

Asynchronously obtain the list of trusted devices

Obtain the list of trusted devices synchronously

Asynchronously obtain local device information

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Question 28

Which of the following atomic layout capabilities does not belong to the position of the control element?

Percentage

Hidden

Split the line

stretch

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Question 29

When I use the interface to set the system time in HarmonyoS, which of the following is the smallest time unit?

minute

seconds

microseconds

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Question 30

Which of the following products belongs to the security products in the smart home ecology?

Large-screen refrigerator

smart door lock

Rice cooker

Water heater

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