100% 高得点合格保証H14-231_V1.0無制限680解答で[2024]
H14-231_V1.0問題集でPDF、H14-231_V1.0最速合格したいならここ
試験は、筆記試験と実践試験の2つの部分で構成されています。筆記試験は、ハーモニオスアプリケーション開発に関する開発者の理論的知識をテストする複数選択の質問で構成されています。実用的な試験では、開発者がHarmonyOSプラットフォームを使用して作業アプリケーションを作成および展開する必要があります。これらの2つの試験の組み合わせにより、開発者がハーモニオスアプリケーション開発の理論的および実用的な知識の両方を確保します。
質問 # 245
If a developer wants to stop the service in a Service, which of the following APIs needs to be called?
- A. stopAbility()
- B. startAbility()
- C. connectAbility()
- D. terminateAbility()
正解：D
質問 # 246
Ability and InternalAbility are two different ways to call PA (ParticleAbility) by FA (FeatureAbility).
- A. Ability has an independent life cycle
- B. Ability does not need to be registered with the FA
- C. internalAbility can be called by other FAs
- D. Theclass inherited byB Ability is ohos.aafwk.ability.Ability
正解：A、B、D
質問 # 247
If a developer wants to develop a page with a tab function, the developer can use theTabList component provided by HarmomyOS. If you want to set the horizontal center alignment of text, which of the following codes is correct?
- A. ohos:text_alignment=start
- B. ohos:text_alignment=vertical_center
- C. ohos:text_alignment=bottom
- D. ohos:text_alignment=horizontal_center
正解：D
質問 # 248
There is a button on the main interface of a HarmonyOS application, and the display text on the button is
"Start Download", after clicking this button, a sub-thread is created to perform time-consuming download operations. After the download is over, you can change the button in the subthread to "Download End".
- A. False
- B. True
正解：A
質問 # 249
A developer defines an entity class
Student.java and use the following code to construct the table:
@Entity(tableName ="student", ignoredColums
=["ignoredColumn1","ignoredColumn2", indices
= (@Index(value =("firstName.","lastName",
name="name_index", unique = true)))
pub1ic class User extends OrmObject{
@PrimaryKey(autoGenerate= true)
private Integer userld;
private String firstName;
private String lastName;
private int age;
private doub1e balance;
private int ignoredColumn1;
private int ignoredColumn2;
}
Which of the following descriptions of this code is wrong?
- A. ignoredColumns" indicates that the field does not need to be added to the attributes of the student table
- B. The index value of the composite index 'name_index' is not unique
- C. Doubles creates composite indexes name_index for the "firstName" and "1astName" fields
- D. The name of the data sheet is "student".
正解：B
質問 # 250
If a reading app uses the language recognition capability provided by HarmonyOS, the app can automatically read a novel.
- A. True
- B. False
正解：A
質問 # 251
On the basis of the supported input events, HarmonyOS's multi-dimensional input defines some input actions commonly used by users as a set of standardized events, maps the input events of different input devices to the standardized events, and can obtain a unified experience when using multiple input devices to operate different terminal devices or applications.
- A. True
- B. False
正解：A
質問 # 252
Huawei's latest mobile phonesHarmonyOS system is pre-installed in the smart screen.Among them, the mobile phone does not belong to the HarmonyOS large system device.The smart screen belongs to the large system device
- A. True
- B. Error
正解：B
質問 # 253
In order to help users find data in the app through the global search app, a HarmonyOSdeveloper needs to index the data of the app and configure the global search searchable entities. Which of the following interfaces can the developer choose to index their application data?
- A. Relational data services
- B. Distributed data service interface
- C. Data storage management interface
- D. Converged search interface
正解：D
質問 # 254
When a developer is developing an online education application, he has designed a feedback function that provides a text input box for users to fill in suggestions, which of the following components can help the developer realize this function?
- A. TabList
- B. Picker
- C. Checkbox
- D. TextField
正解：D
質問 # 255
In the HarmonyOS system architecture, the distributed data management module belongs to the framework layer.
- A. False
- B. True
正解：A
質問 # 256
Which of the following service SDKs has been integrated with device-cloud integration?
- A. Cloud storage
- B. SCF
- C. Cloud hosting
- D. Cloud Database
正解：A、C、D
質問 # 257
A software development engineer will debug a piece of code, which of the following methods can be used?
- A. Click Attach Debugger to Process
- B. Click Debug
- C. Use the shortcut key Shift+F9
- D. Use the shortcut key Shift+F10
正解：A、B、C
質問 # 258
What are the reasons why a developer wants to use the previewer in DevEco Studio to view the application interface of the design, but the previewer cannot be used?
- A. The previewer resource was not downloaded
- B. Projectis not synchronized successfully
- C. SDK has not been updated to the latest version
- D. Preview is not supported for files currently open in the editor
正解：A、B、C、D
質問 # 259
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?
- A. MIDDLE
- B. HIGH
- C. DEFAULT
- D. LOW
正解：A
質問 # 260
When developing a HarmonyOSapplication, which of the following is NOT a permission that should be followed?
- A. The user can know and control
- B. Custom permissions can be renamed the same name
- C. The permission application is complete
- D. Permission requests are minimized
正解：B
質問 # 261
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Huawei H14-231_V1.0試験は、60問の多肢選択問題を含む90分間のテストから構成されています。この試験は、HarmonyOSアーキテクチャ、アプリケーション開発、デバッグ、展開に関する候補者の知識を評価するために設計されています。合格点は60％です。
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