Huawei H14-231_V1.0-ENU Free Online Test: The Demo of New H14-231_V1.0-ENU Exam Questions

The Huawei HCIP-HarmonyOS Application Developer V1.0 certification is becoming more and more popular, you must register for the H14-231_V1.0-ENU exam to achieve this certification. Finding the proper study materials for the preparation of the HCIP-HarmonyOS Application Developer V1.0 certification exam can help you take your career to an entirely new level. We at HCDAtest have completed the new H14-231_V1.0-ENU exam questions for your preparation.

The new Huawei H14-231_V1.0-ENU exam questions of HCDAtest are based on the real exam content and knowledge points. The latest exam questions with verified answers presented by the HCDAtest will help you to prepare and pass the HCIP-HarmonyOS Application Developer V1.0 certification exam on the first attempt with ease. We also have the H14-231_V1.0-ENU free online test, which is the demo of the new exam questions to help you check the quality of H14-231_V1.0-ENU exam questions.

Begin to Test:

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

Percentage

Hidden

Split the line

stretch

Question 1 of 33

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

minute

seconds

microseconds

Question 2 of 33

3. 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

Question 3 of 33

4. Which of the following modules provides an E2E encrypted channel in the HarmonyOS streaming architecture to provide a secure cross-terminal transmission mechanism for user applications?

distributed soft bus

Forwarding task management services

Distributed security

Distributed task scheduling

Question 4 of 33

5. After the creation of a custom component of the Web development paradigm, which of the following callbacks will be triggered when it is added to the Page component tree?

Onlnit

OnAttached

OnLayoutReady

OnDetached

Question 5 of 33

6. When a HarmonyOS app developer uses the form container, which of the following elements can be submitted and reset?

List

Input

Image

Question 6 of 33

7. What is the process of cross-terminal migration from an application on HarmonyOS device A to the application on device B by calling the distributed task scheduling capability to continue sbility?

Preparation for circulation

Circulation

End of circulation

The circulation is complete

Question 7 of 33

8. Which of the following modules does a developer need to call to check whether the HarmonyOS cellular data service is enabled?

@ohos.telephony.sms

@ohos.telephony.data

@ohos.telephony.sim

@ohos.telephony.call

Question 8 of 33

9. When a developer uses the Text component for development, due to the long length of the input string, the content in the middle of the text needs to be truncated with ellipses. Which of the following codes can be used to achieve the above requirements?

ohos:truncation_mode=ellipsis_at_start

ohos: truncation_mode=auto_scrolling

ohos:truncation_mode=ellipsis_at_middle

ohos:truncation_mode=ellipsis_at_end

Question 9 of 33

10. Which of the following subsystems is not part of the basic software service subsystem of HarmonyoS?

Event Notification Service subsystem

Telephone service subsystem

Multimedia subsystem

Location Services subsystem

Question 10 of 33

11. Which description of the HarmonyOS clipboard can be correctly interpreted in the following scenarios?

can be copied in application A, but cannot be pasted in application B

can be copied and pasted into app B in app A

Only replication is supported

Only clipping is supported

Question 11 of 33

12. If a HarmonyOS engineer is about to debug a HarmonyOS application on an emulator device, which of the following debugging processes is correct?

Check the properties of the config.json file→ set the installation method of the hap package→ set the debugging code type→ start debugging

Set the installation mode of the HAP package→ set the debugging code type→ check the properties of the configjson file → start debugging

Set the installation method of the HAP package→ check the properties of the configjson file→ set the debugging code type→ start debugging

Set the debugging code type→ check the properties of the config.json file→ set the installation method of the HAP package→ start debugging

Question 12 of 33

13. Which of the following fields is not within the scope of permission?

privileged

signature

restricted

deivced

Question 13 of 33

14. When a developer clicks the exit button of an application to release Page Ability resources, which callback method in the Page Ability lifecycle will be triggered?

onStop()

onlnactive()

onForeground()

onBackground()

Question 14 of 33

15. Which of the following is NOT part of the software exposure capabilities provided by HarmonyOS Connect?

chip

Cloud services

Huawei HarmonyoS operating system

Device Partner Platform

Question 15 of 33

16. In the declarative development paradigm, which of the following decorator decorated state variables needs to be initialized locally, and the initialized value can be overridden by the construction parameters?

@State

@ObjectLink

@StorageLink

@Prop

Question 16 of 33

17. In order to test the distributed file service functions of application A and application B, the developer installs application A and application B on both device 1 and device 2. During the test, application A on device 1 creates a distributed file X, and application B on device 2 creates a distributed file Y.
Which of the following descriptions of this scenario is wrong?

If Device 1 and Device 2 are logged in to different HarmonyoS accounts, distributed file sharing cannot be implemented

If device 1 runs out of power and causes the device to go offline, distributed file X cannot be accessed

With distributed file services, application A on device 1 is able to read and write file Y on device 2

Application A and Application B need to apply for ohos.permission.DISTRIBUTED_DATASYNC permissions to use the full functionality of the distributed file service

Question 17 of 33

18. Now a Text component is used as the title of a page, and Text needs to be set to be invisible, but it still occupies the current layout space, which of the following is correct?

ohos:visibility= hide

text.setVisibility(Component. VISIBLE)

ohos:visibility=visible

ohos: visibi1ity=invisible

Question 18 of 33

19. If a developer wants to develop a page with a tab function, the developer can use the TabList component provided by HarmomyOS. If you want to set the horizontal center alignment of text, which of the following codes is correct?

ohos:text_alignment=start

ohos:text_alignment=bottom

ohos:text_alignment=vertical_center

ohos:text_alignment=horizontal_center

Question 19 of 33

20. When the user clicks on a song from the music list page and jumps to the playback interface of the song, the principle is that the page route routes to the destination page according to which of the following?

router.push

router.back

uri

intent

Question 20 of 33

21. In the HarmonyOS system architecture, which of the following provides unified peripheral access capabilities and driver development management framework?

KAL (Kernel Abstract Layer)

Ability

HDF (Hardware Driver Foundation)

Question 21 of 33

22. If a UI is no longer visible to the user, but you don't want to destroy it, which method will the system call to release the corresponding resources?

onForeground()

onInactive( )

onPause()

onBackground( )

Question 22 of 33

23. TaskDispatcher is the basic interface for Ability to distribute tasks, which hides the implementation details of the thread where the task is located. To ensure that the application is more responsive, we respond to the priority of the design task, which of the following is not the priority of the task?

MIDDLE

HIGH

DEFAULT

LOW

Question 23 of 33

24. If a developer needs to solve problems such as insufficient image resolution and image compression noise, which of the following AI capabilities can be used by HarmonyOS?

Document Detection Correction

General Character Recognition

Entity Recognition

Image super-resolution

Question 24 of 33

25. In HarmonyOS application development, where can commonly used backgrounds, such as common text backgrounds and button backgrounds, be placed?

graphic

media

layout

element

Question 25 of 33

26. What lifecycle processes will be triggered when a developer creates a Page instance and lets the instance be displayed in the foreground?

onStart()→onActive()

onStart() →onActive() →onInactive()

onBackground()→onForeground()→onStop()

onActive() →onInactive()

Question 26 of 33

27. Which of the following is NOT a capability provided by Distributed Device Virtualization in HarmonyOS?

device is virtual

Decision-making centre

Device management

Data Processing

Question 27 of 33

28. In order to cope with complex application business logic, a developer needs to create multiple threads to perform multiple tasks. In this case, the code is complex and difficult to maintain, and the interaction between tasks and threads becomes more complex. To solve this problem, which of the following interfaces can the developer use to distribute different tasks?

TaskDispatcher

Group

lAbilityMlanager

BackgroundTaskManager

Question 28 of 33

29. If a developer needs to use asyncDispatBarrionr to set up a barrier asynchronously, in this scenario, in order to separate different task groups, which of the following can the developer choose?

serialTaskDispatcher

SpeeTaskDispatcher

ParallelTaskDispatcher

GlobalTaskDispatcher

Question 29 of 33

30. A HarmonyOS user downloads and installs a new app that has declared some non-sensitive permissions in the config.json file, and the app may involve some sensitive permissions during operation. Which of the following is correct in this scenario?

For sensitive permissions that may be involved in the operation of the application, the authorization method is system authorization (system_grant)

For the non-sensitive permissions declared by the application in the config.json file, the application will be dynamically applied for during use

Non-sensitive permissions declared by the app in the config.json file are automatically granted when the user installs the app

For the non-sensitive permissions declared by the app in the config.json file, the authorization method is user authorization (user_grant).

Question 30 of 33

31. Which of the following is NOT a component of the Harmony OS object-relational mapping database?

Object data manipulation interface

Database

Solid object

Relationship table

Question 31 of 33

32. Which of the following belongs to the lifecycle of starting a Service Ability?

onStart()→onComrand()→onBackground()→onStop()

onStart()→onCommand()—onForeground()→onBackground()→onStop()

onStart()→onCommand()→onStop()

onStart()→ onCommand()→onBackground()→ onDisconnect()→onStop()

Question 32 of 33

33. If a developer wants to use the JavaScript UI framework to develop a graffiti application that allows users to draw custom graphics, which of the following components can be used by the developer?

video

button

canvas

grid-container

Question 33 of 33

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