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Huawei H14-231_V1.0 Practice Test - Questions Answers

Question list

List of questions

Question 1

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Which field must the meta service package name end in?

Question 2

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There are two Text components in the Row component, if the justifyContent alignment method is used, which of the following properties can be aligned to the left and right ends

Question 3

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When is the aboutToAppear() of the custom component executed?

Question 4

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When creating a test user for a meta-service, you need to select the storage location of the user list

Question 5

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After the release of the open beta version, how do the invited test users experience?

Question 6

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When the system creates a page instance for the first time, which method will be called?

Question 7

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When the system destroys a page, which of the following callback methods will be triggered?

Question 8

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The JS UI framework of Harmony OS is a cross-device high-performance UI development framework that supports declarative programming and cross-device polymorphic UI. Which layer of the JS UI framewor

Question 9

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If the HarmonyOS user displays the navigation information on the mobile phone and the smart watch at the same time, if the smart watch is out of power, causing the navigation information to stop dis

Question 10

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After developing a HarmonyOS application, the developer needs to package the application into an app for publishing it to AppGallery. You can use DevEco Studio to generate a key, in what format is t

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 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?

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

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 1

Which field must the meta service package name end in?

mservice

Any field

hap

har

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Question 2

There are two Text components in the Row component, if the justifyContent alignment method is used, which of the following properties can be aligned to the left and right ends

FlexAlign.Start

FlexAlign.SpaceEvenly

FlexAlign.End

FlexAlign.SpaceBetween

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Question 3

When is the aboutToAppear() of the custom component executed?

build function

page entry

page

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Question 4

When creating a test user for a meta-service, you need to select the storage location of the user list

All sites

China

Russia

Germany

Singapore

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Question 5

After the release of the open beta version, how do the invited test users experience?

Go to AppGallery and search for the meta-service to be experienced

Enter the service center, turn on the 'Developer Testing' switch, and find the meta-service to be experienced in the 'Service Testing' at the bottom

Enter the ecological market and search for meta-services to be experienced

Enter the service center and search for the meta-service to be experienced

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Question 6

When the system creates a page instance for the first time, which method will be called?

onForeground()

onInactive()

onActive()

onStart()

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Question 7

When the system destroys a page, which of the following callback methods will be triggered?

onActive()

onStart()

onStop()

onForeground()

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The JS UI framework of Harmony OS is a cross-device high-performance UI development framework that supports declarative programming and cross-device polymorphic UI. Which layer of the JS UI framework mainly completes front-end page parsing, and provides capabilities such as MVVM (Model-View-ViewModel) development mode, page routing mechanism, and custom components.

Front-end frame layer

Engine Layer

Application Layer

Adaptation layer

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Question 9

If the HarmonyOS user displays the navigation information on the mobile phone and the smart watch at the same time, if the smart watch is out of power, causing the navigation information to stop displaying, which callback will the navigation app on the mobile phone distribute to receive the termination notification?

onCompleteContinuation

onRemoteTerminated

onSaveData

onRestoreData

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Question 10

After developing a HarmonyOS application, the developer needs to package the application into an app for publishing it to AppGallery. You can use DevEco Studio to generate a key, in what format is the key stored in the keystore file?

p12

.csr

p7b

.cer

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