Huawei HCIP-HarmonyOS Application Developer V1.0 - H14-231

QUESTION NO: 1
Which of the following container components can be scrolled

A. List B. Grid C. Column D. Row E. Scroll

Correct Answer: A,B,E

QUESTION NO: 2
Regarding the boot mode of UIAbility, the following statement is incorrect

A. UIAbility supports three launch modes: single-instance, standard-mode, and specified instance, which can be configured in module.json via launchType. B. standard is the standard mode, anda new instance will be started every time startAbility, and the system defaults to the standard mode. C. singleton is a single-instance mode, only one instance exists in the system, and if it already exists, the only instance in the system is reused. D. specifiedis the specified instance mode, and the internal business of Ability decides whether to create multiple instances during runtime.

Correct Answer: B

QUESTION NO: 3
When a developer designs a news browsing application, he needs to achieve the effect that the news list and news details are not displayed on the same page, which of the following needs to be created by the developer?

A. 1 Page Ability, 2 AbilitySlice B. 0 Page Ability, 3 AbilitySlice C. 2 Page Ability, 1 AbilitySlice D. 3 Page Ability, 1 AbilitySlice

Correct Answer: A

QUESTION NO: 4
Cross-terminal migration and collaboration are the capabilities of which HarmonyOS feature

A. Free circulation B. Unified ecology C. can be divided or combined D. Develop multiple deployments at one time

Correct Answer: B

QUESTION NO: 5
The HarmonyOS Media Management module provides capabilities for audio playback, audio recording, audio and video synthesis, and video decoding.

A. True B. False

Correct Answer: A

QUESTION NO: 6
A developer uses the Wi-Fi "Don't TrustHot-spotConfiguration" feature provided by HarmonyOS to add a specifiedhot-spotto its application, making it prioritize lower than the saved hot-spot. In this case, the system will refuse to connect to thehot-spoteven if it is the most suitablehot-spotafter the system scan.

A. True B. False

Correct Answer: B

QUESTION NO: 7
In distributed task scheduling, if a developer needs to coordinate access from multiple devices, what field in config.json does a developer need to apply for permission?

A. Intent B. deviceld C. reqPermissions D. name

Correct Answer: C

QUESTION NO: 8
The user clicks on the song from the music list page to jump to the playback interface of the song, and clicks back to return to the music list page. Which of the following do developers need to do to implement this feature?

A. Page Ability to create a music list page B. calls router.back() to return to the music list C. calls router.push() to route to the playback interface D. Create a Page Ability area for playing the page

Correct Answer: B,C

QUESTION NO: 9
With regard to Web components, the following is incorrect

A. The ohos.permission.INTERNET permission is required to access both online and offline web pages using the web component. B. The web component supports the setting of various properties such as fileAccess.javaScriptAccess, for example, .javaScriptAccess(true) indicates that JavaScript scripts are allowed to be executed. C. WebController can control various behaviors of web components, such as forward, backward, runJavaScript, etc. D. The web component supports a variety of events, such as onConfirm and onConsole, for example, the onConfirm callback is triggered when a web page calls confirm().

Correct Answer: A

QUESTION NO: 10
Which of the following are the lifecycle callback functions of Ability?

A. onPageHide B. onBackground C. onCreate D. onDestroy E. onPageShow F. onForeground

Correct Answer: B,C,D,F

QUESTION NO: 11
Which of the following functions does the HarmonyOS network management module provide?

A. Traffic statistics B. Create a local socket C. Data network management D. Data connection management

Correct Answer: A,B,C,D

QUESTION NO: 12
The callback mechanism provided by the Ability class can enable the Page instance to switch in the background following the user's operation.

A. True B. False

Correct Answer: A

QUESTION NO: 13
Which of the following does not belong to the system service layer in the HarmonyOS system architecture?

A. Distributed soft bus B. Distributed data management C. Distributed task scheduling D. Ability

Correct Answer: D

QUESTION NO: 14
If a user wants to migrate the video of his mobile phone to the smart screen for display on a video call, what are the correct items in the description of the scene?

A. You need to use the same HUAWEI ID on both the phone and the smart screen B. Unauthorized HUAWEI IDs are not available C. The mobile phone and the smart screen can not be interconnected D. The mobile phone and the smart screen need to be under the same LAN

Correct Answer: A,C,D

QUESTION NO: 15
In the process of application development, a developer uses the global concurrent task distributor to dispatch tasks, and if a specific task needs to be executed 10 times, the developer can use applyDispatch to execute the task multiple times.

A. True B. False

Correct Answer: A

Huawei HCIP-HarmonyOS Application Developer V1.0 - H14-231_V1.0 Exam Questions