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Huawei H14-231_V1.0 Exam Syllabus Topics:

Huawei HCIP-HarmonyOS Application Developer V1.0 Sample Questions:

1. The callback mechanism provided by the Ability class can enable the Page instance to switch in the background following the user's operation.

A) False
B) True

2. What is the correct description of the http module?

A) can use on(headersReceive') to subscribe to the request response header.
B) After the createHttp command is successfully executed, an httpRequest object is returned, which includes the request, destroy, on, and off methods.
C) HTTP requests support common request methods, such as get, post, and put.
D) Theparameters of thepost request can be specified in extraData.

3. The permission scope of HarmonyOS refers to whichapplications can apply for a permission, which of the following fields does not belong to the permission open scope?

A) restricted
B) signature
C) deivced
D) privileged

4. When developing a HarmonyOS application, a developer receives the following product request: If a user logs in to the same HarmonyOS account on device A and device B, the user can log in to the app on device A and synchronize the application account authentication information to account B as needed. After the account authentication information is synchronized, the user can open the application on device B and log in directly without entering the application account authentication information again.
Which of the following descriptions of this scene is correct?

A) If the developer uses the DVIDto achieve the above functions, the DVID is strongly associated with the HarmonyOS account and application information, so it can prevent other applications from accessing the current application data.
B) The developer can do this with the help of UUIDs, as the app can be used during its lifetime The UUID uniquely identifies the same device
C) If the developer borrows the UUID to achieve the above requirements, the UUID logo still exists after the application is uninstalled.
D) Developers can achieve the above requirements with the help of DVID, because the application can be accessed and managed according to the DVID Distributed equipment

5. . When developing a HarmonyOS application, use a component Text as the title of a page, if you want to make the title invisible and still occupy the space of the current page, the following operations are correct

A) ohos:visibility= "invisible"
B) text.setVisibility(Component.INVISIBLE)
C) ohos:visibility="hide"
D) text.setVisibility(Component.HIDE)

Solutions: