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

1. When a developer is developing a smart home application, the Switch component will be used to represent the switch of some devices, and ON should be displayed on the ON status component and OFF should be displayed on the closed state component, what are the following options that can meet the requirements?

A) <Switch......
ohos:text_state_off="ON"
ohos:text_state_on="OFF">
</Switch>
B) <Switch... ...
ohos:text_state_off="OFF"
ohos:text_state_on="ON"> </Switch>
C) Switch btnSwitch=(Switch)findComponentByld(Resource Table.ld_btn_switch); btnSwitch.setStateOffText("ON"); btnSwitch.setStateONText("OFF");
D) Switch btnSwitch=(Switch)findComponentByld(Resource Table.ld_btn_switch); btnSwitch.setStateOffText("OFF"); btnSwitch.setStateONText("ON");

2. A user uses the HarmonyOS distributed task scheduling capability to migrate mobile phone videos to the smart screen for playback. In this scenario, the process of finding whether the smart screen has the same playback software is a global query.

A) True
B) False

3. The Minimalist Protocol is a communication protocol customized by HarmonyOS, which layers of the traditional communication protocol are simplified?

A) Transport Layer
B) represents the layer
C) Session Layer
D) Application Layer
E) Data Link Layer
F) network layer

4. In the process of coding, software development engineers need to detect whether the Butfer data is read and whether an exception occurs, which of the following methods can be called?

A) ErrorCode()
B) Bucferlistencr()
C) Errorbuatfer()
D) lCodecListener()

5. If a developer wants to use the device virtualization feature of HarmonyOS, which subsystem will he use?

A) Media Subsystem
B) DV subsystem
C) Safety subsystem
D) Location Services subsystem

Solutions: