Weekend Special Limited Time 70% Discount Offer - Ends in 0d 00h 00m 00s - Coupon code = simple70

Home
Huawei
HCIP-HarmonyOS
H14-231_V1.0
HCIP-HarmonyOS Application Developer V1.0 Questions and Answers

Pass the Huawei HCIP-HarmonyOS H14-231_V1.0 Questions and answers with ExamsMirror

Practice at least 50% of the questions to maximize your chances of passing.

Exam H14-231_V1.0 Premium Access

View all detail and faqs for the H14-231_V1.0 exam

Go to Exam

377 Students Passed

91% Average Score

96% Same Questions

Viewing page 1 out of 14 pages

Viewing questions 1-15 out of questions

Questions # 1:

When using Bluetooth Low Energy in HarmonyOS, the peripheral device, as a client, can receive GATT connection requests from the central device, but cannotAnswer:requests for reading and writing eigenvalue content from the central device.

Options:

True

False

Answer

Questions # 2:

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

Options:

onCreate

onDestroy

onPageShow

onPageHide

onForeground

onBackground

Answer

A, B, E, F

Questions # 3:

What are the componentization characteristics of custom components?

Options:

Combinable

Reusable

Configure the lifecycle

Data-driven updates

Answer

A, B, C, D

Questions # 4:

In HarmonyOS, when switching between pages, if you use Ability Switching, it is equivalent to constantly switching new pages in the same window, and if you use AbilitySlice to switch, a new window will pop up.

Options:

True

False

Answer

Questions # 5:

In the JavaScript FA development self-record, the file ending hml is used to describe the current page layout structure, the components used in the page, and the hierarchical relationship between these components, and the following code should be placed in the file.

Question # 5

Options:

True

False

Answer

Questions # 6:

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

Options:

Global Concurrent Task Dispenser

Concurrent task distributor

Serial task dispenser

Proprietary task distributor

Answer

A, B, C, D

Questions # 7:

There is an application A that occupies a large amount of memory and a background service B on the mobile phone, but there is no binding relationship between the two. What are the following scenarios that may cause Service B to be stopped?

Options:

App A calls onCommand() to stop service B

applies A to call stopAbility() to stop service B

service B calls terminateAbility() by itself

The system is tight on memory and slow to respond

Answer

B, C, D

Questions # 8:

In HarmomOS, when an application is launched, the system creates an execution thread named "Main Thread" for the application. The main thread, also known as the UI thread, displays and updates the UI interface on the main thread.

Options:

True

False

Answer

Questions # 9:

What is correct about Web Component Description A?

Options:

web componentis a component that provides the ability to display web pages.

Theincoming address of a web component can be a local resource or a network resource.

WebController can control various behaviors of web components, such as the forward and backward functions of web pages.

When accessing online web pages, you need to add network permissions.

Answer

A, B, C, D

Questions # 10:

When a developer is developing an application, he uses DevEco Studio to create an empty Java project, but does not install Node.js separately, and can still develop the project normally.

Options:

True

False

Answer

Questions # 11:

Which of the following statements is true about the use of the previewer?

Options:

In the process of developing UI code, if you add or remove UI components, you only need toCtrl+S to save them, and then the previewer will immediately refresh the preview result

On the previewer interface, you can operate the interface interaction actions of the application/servicein the previewer, such as clicking, jumping, swiping, etc., which is consistent with the interface interaction experience of the application/service running on the real device

Component previews are implemented by adding annotations @Preview front of the component

Thepage preview is achieved by adding annotations to the header of the ETS file @Entry the project

Answer

A, B, C, D

Questions # 12:

Which of the following decorators can be used to manage the state of variables in custom components?

Options:

@Component

@Entry

@State

@Link

Answer

C, D

Questions # 13:

A developer wants to use JS (JavaScript) to develop an application on the smart screen,Which of the following development languages does the developer need to master?

Options:

C/C++

CSS

HTML5

JavaScript

Answer

B, C, D

Questions # 14:

The Ark Development Framework of HarmonyOS includes a Web-like development paradigm based on TS extensions and a declarative development paradigm based on JS extensions.

Options:

True

False

Answer

Questions # 15:

A developer needs to use the emulator in DevEco Studio, click to log in to the emulator and enter your HUAWEI ID, and the browser will directly jump to the real-name authentication interface. What are the reasons for this problem?