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Huawei H14-231_V1.0 Practice Test - Questions Answers, Page 9

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Question 81

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When a developer designs a navigation application and needs the system to provide accurate positioning, which subsystem will be used?

Wearable business subsystem
Wearable business subsystem
Location Services Subsystem
Location Services Subsystem
Multi-mode input subsystem
Multi-mode input subsystem
Media subsystem
Media subsystem
Suggested answer: B
asked 18/09/2024
Elizabeth Holland
45 questions

Question 82

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Which of the following is NOT a component of the Harmony OS object-relational mapping database?

Object data manipulation interface
Object data manipulation interface
Database
Database
Solid object
Solid object
Relationship table
Relationship table
Suggested answer: D
asked 18/09/2024
Hany Mohammed
45 questions

Question 83

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Which of the following belongs to the lifecycle of starting a Service Ability?

onStart()onComrand()onBackground()onStop()
onStart()onComrand()onBackground()onStop()
onStart()onCommand()---onForeground()onBackground()onStop()
onStart()onCommand()---onForeground()onBackground()onStop()
onStart()onCommand()onStop()
onStart()onCommand()onStop()
onStart() onCommand()onBackground() onDisconnect()onStop()
onStart() onCommand()onBackground() onDisconnect()onStop()
Suggested answer: A
asked 18/09/2024
Jesus De Leon Luis
53 questions

Question 84

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If a developer needs to use asyncDispatBarrionr to set up a barrier asynchronously, in this scenario, in order to separate different task groups, which of the following can the developer choose?

serialTaskDispatcher
serialTaskDispatcher
SpeeTaskDispatcher
SpeeTaskDispatcher
ParallelTaskDispatcher
ParallelTaskDispatcher
GlobalTaskDispatcher
GlobalTaskDispatcher
Suggested answer: C
asked 18/09/2024
Rowan Cele
51 questions

Question 85

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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?

video
video
button
button
canvas
canvas
grid-container
grid-container
Suggested answer: C
asked 18/09/2024
Selladurai Ravi
49 questions

Question 86

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When a developer clicks the exit button of an application to release PageAbility resources, which callback method in the ability lifecycle of the Pag package will be triggered?

onBackground( )
onBackground( )
onInactive( )
onInactive( )
onForeground( )
onForeground( )
onStop( )
onStop( )
Suggested answer: D
asked 18/09/2024
Ben Spiers
42 questions

Question 87

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If a developer wants to develop a page with a tab function, the developer can use the TabList component provided by HarmonyOS. If you want to set the color of unchecked text to black. Which of the following codes is correct?

ohos:selected_tab_indicator_color=#000000
ohos:selected_tab_indicator_color=#000000
ohos:tab_indicator_type=#000000
ohos:tab_indicator_type=#000000
ohos:normal_text_color=#000000
ohos:normal_text_color=#000000
ohos:selected _text_color=#000000
ohos:selected _text_color=#000000
Suggested answer: C
asked 18/09/2024
Musoke Kamuzze
34 questions

Question 88

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When a developer was developing a ticket booking application, he used the sliding selector TimPicker in the time selection of air tickets, according to the requirements of the airline, the time does not need to display the second information, which of the following can meet the needs?

timePicker.enableHour(false);
timePicker.enableHour(false);
timePicker.showMinute(false);
timePicker.showMinute(false);
timePicker.enableMinute(false);
timePicker.enableMinute(false);
timePicker.showSecond(false);
timePicker.showSecond(false);
Suggested answer: D
asked 18/09/2024
Channa Leang
46 questions

Question 89

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If a developer wants to develop a Data Ability for the storage and management of application data, which of the following can help the developer realize the function of inserting multiple pieces of data into the database at one time?

insert (Uri uri,ValuesBucket value)
insert (Uri uri,ValuesBucket value)
delete(Uri uri,DataAbilityPredicates predicates)
delete(Uri uri,DataAbilityPredicates predicates)
query (Uri uriString[ ]columns,DataAbilityPredicates predicates)
query (Uri uriString[ ]columns,DataAbilityPredicates predicates)
batchlnsert (Uri uri, ValuesBucket[]values)
batchlnsert (Uri uri, ValuesBucket[]values)
Suggested answer: D
asked 18/09/2024
Alberto Castillo
38 questions

Question 90

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An engineer uses a local simulator for application debugging, which of the following describes the error of the local simulator?

You can run both the application-compatible signed and unsigned HAP (HarmonyOS Ability Package) on the local simulator
You can run both the application-compatible signed and unsigned HAP (HarmonyOS Ability Package) on the local simulator
By default, DevEco Studio does not automatically match the corresponding device emulator
By default, DevEco Studio does not automatically match the corresponding device emulator
The default shortcut to start running is Shift+F10
The default shortcut to start running is Shift+F10
The local emulator can run and debug HarmonyOS applications for Lite Wearable and Smart Vision devices
The local emulator can run and debug HarmonyOS applications for Lite Wearable and Smart Vision devices
Suggested answer: D
asked 18/09/2024
Jumar Antonia
44 questions
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