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Huawei H14-231_V1.0 Practice Test - Questions Answers, Page 39

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Question 381

(0)

Atomic service is a future-oriented service delivery method provided by HarmonyOS, which of the following statements about atomic service is correct?

Question 382

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HarmonyOS provides developers with data management functions, which of the following are the following?

Question 383

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If a developer wants to obtain the location information of a HarmonyOS device, which of the following methods is correct?

Question 384

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HarmonyOS adopts a multi-core design, which supports the selection of appropriate OS kernels for different resource-constrained devices, and the kernel abstraction layer provides basic kernel capabi

Question 385

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If a HarmonyOS engineer needs to apply for a digital certificate to complete the application release, what are the errors in the following descriptions of digital certificates?

Question 386

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Which of the following items is correct about the objects of HarmonyOS permission protection?

Question 387

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A developer creates MyAbility with FooAbilitySlice and BarAbilitySlice, and currently FooAbilitySlice is in the foreground and gets focused, and then navigates to BarAbilitySlice, what happens to th

Question 388

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In the process of debugging Harmomyos applications, it is a common debugging method for developers to 'check whether the change process of variables meets the expected results'. To this end, DevEcoS

Question 389

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When developing HarmonyOS applications, the main function of EventHandler is to deliver InnerEvent events or Runnable tasks to other threads for processing.

Question 390

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The streaming capability of HarmonyOS breaks the boundaries of devices and enables multi-device linkage, enabling users to separable, merge, and stream, enabling distributed services such as cross-d

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?

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.

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?

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 ?

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?

Question 381

Atomic service is a future-oriented service delivery method provided by HarmonyOS, which of the following statements about atomic service is correct?

Atomic service consists of one or more HAP packets, and one HAP packet corresponds to one FA or one PA

Atomic services are managed and distributed by AppGallery

All HAP packages (including EntryHAP and FeatureHAP) of the Atomic Service are non-installation-free

Atomic services do not have desktop icons, but they can be manually added to desktops in the form of service cards

Compared with the traditional way of installing applications, the E atomic service is lighter, and provides richer entry points and more accurate distribution

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Question 382

HarmonyOS provides developers with data management functions, which of the following are the following?

Converged Search

Data storage management

Distributed data services

Distributed file services

Local database

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Question 383

If a developer wants to obtain the location information of a HarmonyOS device, which of the following methods is correct?

must apply for ohos.permission.LOCATION_INBACKGROUND permissions and be authorized by the user.

If the application scenario does not require real-time device location, you can obtain the latest historical location result cached by the system

When the real-time location result of the device is successfully determined by the system, it will be reported to the application through the onLocationReport interface. Applications can implement their own business logic in the implementation of the onLocationReport API

You can use the system's predefined constant SCENE_TRAJECTORY_TRACKING in a trajectory tracking scene

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Question 384

HarmonyOS adopts a multi-core design, which supports the selection of appropriate OS kernels for different resource-constrained devices, and the kernel abstraction layer provides basic kernel capabilities for the upper layer by shielding the differences between multiple cores, including which of the following?

Memory management

File Management

Network management

Peripheral management

Process Management

Thread Management

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Question 385

If a HarmonyOS engineer needs to apply for a digital certificate to complete the application release, what are the errors in the following descriptions of digital certificates?

is issued by AppGalleryConnect

contains the public key in the key pair

Digital certificates are used to ensure the integrity of the application

format is .csr

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Question 386

Which of the following items is correct about the objects of HarmonyOS permission protection?

Photos, contacts, calendars, locations, etc. are app data

Popping up a floating box and creating a shortcut belong to the device capabilities

Device identification, camera, microphone, etc. belong to device data

The objects protected by permissions can be divided into data and capabilities

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Question 387

A developer creates MyAbility with FooAbilitySlice and BarAbilitySlice, and currently FooAbilitySlice is in the foreground and gets focused, and then navigates to BarAbilitySlice, what happens to the lifecycle state in this period?

FooAbilitySlice changes from the INACTIVE state to the ACTIVE state

BarAbilitySlice changes from the INITIAL state to the INACTIVE state first

FooAbilitySlice changes from ACTIVE to INACTIVE

FooAbilitySlice changes from INACTIVE to BACKGROUIND

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Question 388

In the process of debugging Harmomyos applications, it is a common debugging method for developers to 'check whether the change process of variables meets the expected results'. To this end, DevEcoStudio provides a visualization of debug variables, which of the following forms can be presented?

Histogram

Line Chart

tree

Form D

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Question 389

When developing HarmonyOS applications, the main function of EventHandler is to deliver InnerEvent events or Runnable tasks to other threads for processing.

IDLE

HIGH

MIDDLE

LOW

IMMEDIATE

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Question 390

The streaming capability of HarmonyOS breaks the boundaries of devices and enables multi-device linkage, enabling users to separable, merge, and stream, enabling distributed services such as cross-device email editing, multi-device collaborative fitness, and multi-screen games. Which of the following options is one of the advantages of the HarmonyOS forwarding architecture?

Support remote service invocation and other capabilities, which can easily design business

Unified flow management UI, supporting device discovery, selection, and task management

Support different forms of devices, such as mobile phones, tablets, TVs, watches, etc

Support multiple applications to be forwarded at the same time

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