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If an engineer uses the two-way preview function of JavaScript in DevEco Studio, which of the following items can be supported after the function is enabled?

A.

Component Tree

B.

Code Editor

C.

UI interface

D.

Terminal

What are the boot modes of UIAbility?

A.

multiton

B.

singleton

C.

specified

D.

standard

Which of the following information is contained in moduleJSON5 under entry?

A.

Application package name and version number information

B.

Ability

C.

Device type information

D.

Application list for application permissions

What are the features of Huawei DevEco Studio, which is a multi-device unified development environment?

A.

Support distributed multi-terminal application development

B.

Support multi-device previewer

C.

Support rapid development of FA (Feature Ability) and PA (Partic1eAbility).

D.

Support multi-device emulators

When developing an application, a developer uses the WLAN P2P function to realize point-to-point data transmission between devices. Function 2, Create and remove groups, Function 3, Initiate a connection to the peer device.Which of the above functions is correct in the following descriptions?

A.

To implement function 2, you need to use the createGroup() and removeGroup() interfaces, and you need to ohos.permission.GET_WIFI_INFO permissions

B.

In order to achieve the above functions, you need to initialize the P2P messenger through the init(), interface, and need to request ohos.permssion.GET_WIFI_INFO and ohos.premission.SET_WIFI_INFO permissions.

C.

In order to implement feature 3, connect() needs to be used, and ohos.permission.SET_WIFI_INFO permission needs to be requested

D.

To implement function 1, you need to use the discoverDevices() interface, and you need to request the ohos.permission.SET WIFI INFO permission

Which of the following container components can be scrolled

A.

Scroll

B.

List

C.

Row

D.

Grid

E.

Column

Which of the following properties can be used for components that contain text elements, such as Text, Button, TextInput, etc.?

A.

fontColor

B.

fontSize

C.

fontStyle

D.

fontWeight

E.

fontFamily

What are the parts of the HarmonyOS cloud development project?

A.

end development project (Application)

B.

CloudProgram

C.

External Libraries on theside

D.

Public Resource Library (Resource)

Barrier-free color palettes should meet the identification needs of color blindness, and safe color palettes can be found by simulating the visual effects of different similar color defects.

A.

True

B.

False

If you need to use a composite animation, you can combine multiple animated objects and add them to the AnimatorGroup. The AnimatorGroup provides two methods: runSerially() and runParallel(). Indicates that the animation starts at the same time and that the animation starts sequentially.

A.

True

B.

False

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?

indicator="true"autoplay="true"interval="2000"

loop="true"digital="false">

A.

subassembly loops

B.

subcomponent autoplay

C.

Navigation points can be manipulated

D.

subcomponent autoplay interval 20s

The HarmonyOS Media Management module provides capabilities for audio playback, audio recording, audio and video synthesis, and video decoding.

A.

True

B.

False

Which of the following subsystems in HarmonyOS belongs to the Enhanced Software Services subsystem?

A.

Wearable business subsystem

B.

Sign-in service subsystem

C.

Smart large-screen business subsystem

D.

Media subsystem

HarmonyOS not only has the system capability of a single device, but also supportsdeployment on multiple devices with different memory sizes based on the same set of system capabilities.

A.

True

B.

False

A developer wants to use the list component of the JavaScript UI framework to display a table.

scrollpage="true"

scrollbar="on"

shapemode="round"

scrolleffect="no">

{{Sitem.title}}

{{Sitem.date}}

A.

slides out of the viewport with the non-list part of the page at the top of the list

B.

Displayed when the inverted edge slider is touched, disappears after 2 seconds

C.

The side slider is circular

D.

Swiping to the edge has no effect