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Huawei H14-231_V1.0 Practice Test - Questions Answers, Page 43

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What are the following development languages that a developer can use to develop a mobile app using HarmonyOS?

A.
Java
A.
Java
Answers
B.
Android
B.
Android
Answers
C.
JavaScript
C.
JavaScript
Answers
D.
Python
D.
Python
Answers
Suggested answer: A, C

What are the following development languages that a developer can use to develop a mobile app using HarmonyOS?

A.
Java
A.
Java
Answers
B.
Android
B.
Android
Answers
C.
JavaScript
C.
JavaScript
Answers
D.
Python
D.
Python
Answers
Suggested answer: A, C

NetworkID is the communication identifier of distributed network device nodes in distributed networking, in order to keep the NetworkID of the same device unchanged, which of the following operations should be avoided?

A.
The device is factory reset
A.
The device is factory reset
Answers
B.
Device restarts
B.
Device restarts
Answers
C.
The device connects to different applications
C.
The device connects to different applications
Answers
D.
The device is offline
D.
The device is offline
Answers
Suggested answer: A, B, D

In HramonyOS, which of the following can developers use the static animation feature to achieve?

A.
The picture is rotated along the center point
A.
The picture is rotated along the center point
Answers
B.
The image rotates along the horizontal axis
B.
The image rotates along the horizontal axis
Answers
C.
The picture rotates along the edges
C.
The picture rotates along the edges
Answers
D.
The picture rotates along the vertical axis
D.
The picture rotates along the vertical axis
Answers
Suggested answer: A, B, D

If a developer wants to develop a local background music playback function, he needs to implement Page Ability to start Service Ability, which of the following parameters need to be specified when starting?

A.
Flags
A.
Flags
Answers
B.
BundleName
B.
BundleName
Answers
C.
AbilityName
C.
AbilityName
Answers
D.
DeviceID
D.
DeviceID
Answers
Suggested answer: B, C, D

Which of the following belong to the lifecycle callback method of Page Ability?

A.
onStart
A.
onStart
Answers
B.
onForeground
B.
onForeground
Answers
C.
onActive
C.
onActive
Answers
D.
onCreate
D.
onCreate
Answers
Suggested answer: A, B, C

When a developer uses the Text component for development, because the length of the input string is too long, which of the following codes can be used to display the entire content?

A.
ohos:truncation_mode='none'
A.
ohos:truncation_mode='none'
Answers
B.
ohos:truncation_mode='ellipsis_at_start'
B.
ohos:truncation_mode='ellipsis_at_start'
Answers
C.
ohos:auto_font_size='true'
C.
ohos:auto_font_size='true'
Answers
D.
ohos:multiple_lines='true'
D.
ohos:multiple_lines='true'
Answers
Suggested answer: C, D

HarmonyOS Converged Search provides developers with search-engine-level full-text search capabilities to provide users with a more accurate and efficient search experience.

A.
Cross-app search
A.
Cross-app search
Answers
B.
System global search
B.
System global search
Answers
C.
Open systems search
C.
Open systems search
Answers
D.
In-app search
D.
In-app search
Answers
Suggested answer: B, D

When a developer is developing an application, he calls the IAbilityContribution interface to migrate between multiple pages, what are the methods that belong to the interface?

A.
onRestoreData()
A.
onRestoreData()
Answers
B.
onCompleteContinuation()
B.
onCompleteContinuation()
Answers
C.
onStartContinuation()
C.
onStartContinuation()
Answers
D.
onAbilityConnectDone()
D.
onAbilityConnectDone()
Answers
Suggested answer: A, B, C

An application needs to obtain the Wi-Fi connection status of the current device and check whether the Wi-Fi is turned on. Which of the following permissions is not required in order to do this?

A.
ohos.permission.LOCATION
A.
ohos.permission.LOCATION
Answers
B.
ohos.permission.MEDIA_LOCATION
B.
ohos.permission.MEDIA_LOCATION
Answers
C.
ohos.permission.GET_WIFI_INFO
C.
ohos.permission.GET_WIFI_INFO
Answers
D.
ohos.permission.ACTIVITY MOTION Topic 3, Exam Pool C
D.
ohos.permission.ACTIVITY MOTION Topic 3, Exam Pool C
Answers
Suggested answer: A, B, D
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