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Pearson H14-231_V1.0 New Attempt

Page: 18 / 52
Total 695 questions

HCIP-HarmonyOS Application Developer V1.0 Questions and Answers

Question 69

Which of the following scenarios does not use encoding technology?

Options:

A.

sound travels through twisted pairs

B.

Sound travels through rails

C.

Sound travels by radio

D.

Sound travels through optical fibers

Question 70

The HarmonyOS video module supports the development of video services and the opening of the ecosystem, allowing developers to easily play, operate, and develop new functions of video media through the open interfaces. Video playback includes playback controls, playback settings, and playback queries, such as start/stop playback, playback speed settings, and whether to loop playback. When developing a video playback feature, which of the following steps is correct?

Options:

A.

Create a Player instance→construct a data source object and set the media source→call method prepare(),→call method play(), call method stop(→→call method release()

B.

Create a Player instance → call the prepare() → play() →construct the data source object and set the media source→call the stop()→release().

C.

Construct a data source object and set the media source→create a Player instance→call method play(),→call method prepare(),→call method stop(→call method release()

D.

Call the prepare() method→create a Plawer instance→construct a data source object and set the media source→call method→create a Player instance, Play()→call method stop()→call method release()

Question 71

How do I define the permissionscorrectly when a developer needs to customize the permissions for a third-party application forHarmony OS?

Options:

A.

module: {

reqPermissions: [{

name:com.myability.permission.MYPERMISSION,grantMode:system_grant,

availableScope: [signatures]

}

}

B.

module: {

defPermissions: [{

name:name:com.myability.permission.lNTERNET,

grantMode:user grant,

availableScope: [signatures]

}

}

module: {

defPermissions: [{

C.

name:name:com.myability.permission.INTERNET,

grantMode:system_grant,

availableScope: [signatures]

}

}

module: {

defPermissions: [{

D.

name:name:com.myability.permission.MYPERMISSION,

grantMode:system_grant,

availableScope: [signatures]

}

}

Question 72

What is the process of cross-terminal migration from an application on HarmonyOS device A to the application on device B by calling the distributed task scheduling capability to continue sbility?

Options:

A.

Preparation for circulation

B.

Circulation

C.

End of circulation

D.

The circulation is complete

Page: 18 / 52
Total 695 questions