最新的Huawei H14-231_V1.0免費考試真題

問題1

If a developer wants to use the JavaScript UI framework to develop a graffiti application that allows users to draw custom graphics, which of the following components can be used by the developer?

A. button

B. canvas

C. video

D. grid-container

正確答案: B

問題2

When a developer sets a background for a Text component, which of the following methods are correct?

A. ohos:background_element="$graphic:background

B. ohos:background_element="$color:black"

C. ohos:background_element="#000000"

D. ohos:basement="$graphic:graphic_src"

正確答案: A,B,C

問題3

The log content filtered by a developer through relevant information is:
01-2016:08:36.908
23597/com.example.myapplication W
00201/MY TAG:Failed to visit,reason:503.
Which of the following cannot be obtained by analyzing the log?

A. Errnovalue

B. Reachable URL value

C. The log level is WARN

D. Content defined in HiLogLabel

正確答案: B,D

問題4

HarmonyOSprovides developers with different abilities according to different application scenarios, for example, if a developer plans to develop a background music playback function, which of the following is correct about the configuration of the ability in config.json?

A. "type: "data

B. "type: "ability

C. "type: "service

D. "type: "page

正確答案: C

問題5

To publish an app, a HarmonyOS developer needs to use a certificate request file (Cerificate Signing Request) to apply for a digital certificate from AppGallery Connect.

A. Name of the organization

B. Public key

C. Common name

D. Organizational unit

正確答案: A,B,C,D

問題6

Regarding the callback event of the Video component, the following statement is incorrect

A. This event is triggered at the end of the B onFinish video.

B. onUpdate is triggered when the playback progress changes, the unit is s, and the update interval is 250 ms.

C. Thisevent is triggered when the C onPrepared video is ready.

D. onStart is triggered when the video is playing, and you can get the video duration here.

正確答案: D

問題7

Which of the following properties or events does the web component support?

A. on(type:'headerReceive',callback:
AsyncCallback):void

B. fileAccess(fileAccess:boolean)

C. javaScriptAccess(javaScriptAccess:
boolean)

D. onConfirm(callback:(event?:{url:string;
message:string; result:JsResult })=>
boolean)

E. destroy():void

正確答案: B,C,D

問題8

With regard to the characteristics of @State state data, the following description is incorrect

A. @State variable can be left without an initial value
The decorated variables@Link

B. State is decorated with a variable that is the internal state data of the component, and when the state data is modified, the build method of the component will be called to refresh the UI.

C. child components can be bidirectionally bound to the @State variables of the parent component

D. Properties marked as @State are private variables that can only be accessed within the component

正確答案: A

問題9

How to realize distributed communication betweentwo existing Harmony OS devices?

A. Configure ohos.permission.DISTRIBUTED_DATASYNC permission in the configuration file and dynamically request this permission again

B. Configure the ohos.permission.lNTERNEl permission in the configuration file

C. Configure the ohos.permission.IlNTERNET permission in the configuration file and dynamically request this permission again

D. Configure ohos.permission.DISTRIBUTED_DATASYNC permissions in the configuration file

正確答案: A

問題10

What are the boot modes of UIAbility?

A. multition

B. Builder

C. specified

D. singleton

正確答案: A,C,D

問題11

When I need to create a profile when publishing an application, what type should I choose?

A. distribution

B. runs

C. Operations

D. Debug

正確答案: A

問題12

What is the "1" in HarmonyOS's "1+8+N" strategy?

A. Tablet

B. Smart screen

C. mobile phone

D. Watch

正確答案: C

問題13

In DevEco Studio, what form can developers use to develop HarmonyOS cloud?

A. Project Template

B. IDE plug-in

C. Visualization Tools

D. Command-line tools

正確答案: A

問題14

A developer uses the JavaScript UI framework's swiper sliding container to develop a banner scrolling effect, which are the correct items in the following description of the swiper code?
<swiper class="swiper"id="swiper"index="0"
indicator="true"autoplay="true"interval="2000"
loop="true"digital="false"></swiper>

A. subcomponent autoplay interval 20s

B. Navigation points can be manipulated

C. subcomponent autoplay

D. subassembly loops

正確答案: B,C,D

問題15

When developing a HarmonyOSapplication, which of the following is NOT a permission that should be followed?

A. The user can know and control

B. The permission application is complete

C. Custom permissions can be renamed the same name

D. Permission requests are minimized

正確答案: C

最新的Huawei HCIP-HarmonyOS Application Developer V1.0 - H14-231_V1.0免費考試真題

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