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Huawei H14-231_V1.0 Practice Test - Questions Answers, Page 44

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Question 431

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When a user is on a video call,Want to migrate the mobile phone video to the smart screen for playback,When clicking Migrate,Find that the smart screen is already in the optional list,What are the correct descriptions of the scene?

It embodies the characteristics of extremely fast transmission of distributed soft bus
It embodies the characteristics of extremely fast transmission of distributed soft bus
requires the mobile phone and the smart screen to be under the same LAN
requires the mobile phone and the smart screen to be under the same LAN
embodies the self-discovery function of the distributed soft bus
embodies the self-discovery function of the distributed soft bus
mobile phones and smart screens can make different Huawei accounts
mobile phones and smart screens can make different Huawei accounts
Suggested answer: A, B, C
asked 18/09/2024
Geert De Ridder
35 questions

Question 432

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There is an application A that occupies a large amount of memory and a background service B on the mobile phone, but there is no binding relationship between the two. What are the following scenarios that may cause Service B to be stopped?

App A calls onCommand() to stop service B
App A calls onCommand() to stop service B
applies A to call stopAbility() to stop service B
applies A to call stopAbility() to stop service B
service B calls terminateAbility() by itself
service B calls terminateAbility() by itself
The system is tight on memory and slow to respond
The system is tight on memory and slow to respond
Suggested answer: B, C, D
asked 18/09/2024
Kristi Riddick
29 questions

Question 433

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In order to put a series of related download tasks into a task group, a developer uses the following code:

String dispatcherName =

'parallelTaskDispatcher';

TaskDispatcher dispatcher =

createParallelTaskDispatcher(dispatcherName,TaskPriority.DEFAULT);

Group group

=dispatcher.createDispatchGroup();

dispatcher.asyncGroupDispatch(group,new

Runnable(){

@Override

public void run(){

HiLog.info(LABEL_LOG,'download taskl is

running ');

}

});

dispatcher.groupDispatchlotify(group,new

Runnable(){

@0verride

public void run(){

HiLog.info(LABEL_L0G,'the close task2 is

running');

}

});

dispatcher.groupDispatchlotify(group,new

Runnable(){

@Override

public void run(){

HiLog.info(LABEL_L0G, 'the close task is

running after all tasks in the group are

completed');

}

});

If the developer runs this code, which of the following results might occur?

the close task is running after all tasks in the group are completed download task1 is running download task2 is running
the close task is running after all tasks in the group are completed download task1 is running download task2 is running
download task1 is running the close task is running after all tasks in the group are completed dowmload task2 is running
download task1 is running the close task is running after all tasks in the group are completed dowmload task2 is running
download task1 is running download task2 is running the close task is running after all tasks in the group are completed
download task1 is running download task2 is running the close task is running after all tasks in the group are completed
download task2 is running download task1 is running the close task is running after all tasks in the group are completed
download task2 is running download task1 is running the close task is running after all tasks in the group are completed
Suggested answer: C, D
asked 18/09/2024
Aung Nyi Nyi Win
30 questions

Question 434

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What are the following scenarios that belong to the public events of the system?

System upgrade
System upgrade
Customize the lights off time
Customize the lights off time
Network connection
Network connection
USB plugging and unplugging
USB plugging and unplugging
Suggested answer: A, C, D
asked 18/09/2024
Randhir Singh
37 questions

Question 435

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Which of the following descriptions of the global concurrent task distributor and the concurrent task distributor is correct?

Concurrent task distributor is globally unique
Concurrent task distributor is globally unique
Global concurrent task dispatcher, obtained by Ability by executing getGlobalTaskDispatcher().
Global concurrent task dispatcher, obtained by Ability by executing getGlobalTaskDispatcher().
The global concurrent task distributor is globally unique
The global concurrent task distributor is globally unique
Concurrent task dispatcher, created by Ability to execute createParallelTaskDispatcher() and returned
Concurrent task dispatcher, created by Ability to execute createParallelTaskDispatcher() and returned
Suggested answer: B, C, D
asked 18/09/2024
S Tharakanparampil
36 questions

Question 436

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A developer needs to use the emulator in DevEco Studio, click to log in to the emulator and enter your HUAWEI ID, and the browser will directly jump to the real-name authentication interface. What are the reasons for this problem?

has just completed real-name authentication, but the authentication has not yet taken effect
has just completed real-name authentication, but the authentication has not yet taken effect
used the Chrome browser
used the Chrome browser
HUAWEI ID does not have real-name authentication
HUAWEI ID does not have real-name authentication
The account is not registered
The account is not registered
Suggested answer: A, C
asked 18/09/2024
Viswanadha Sastry Kattamuri
44 questions

Question 437

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A software development engineer will debug a piece of code, which of the following methods can be used?

Click Attach Debugger to Process
Click Attach Debugger to Process
Click Debug
Click Debug
Use the shortcut key Shift+F9
Use the shortcut key Shift+F9
Use the shortcut key Shift+F10
Use the shortcut key Shift+F10
Suggested answer: A, B, C
asked 18/09/2024
Fahad Mustafa
41 questions

Question 438

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Knowing the variable int a=123, which of the following codes can successfully print the value of variable a in the console?

HiLog.info(LABEL,String.format('a =%d',a));
HiLog.info(LABEL,String.format('a =%d',a));
HiLog.info(LABEL,'a=%(public)d',a);
HiLog.info(LABEL,'a=%(public)d',a);
HiLog.info(LABEL,'a =%d',a);
HiLog.info(LABEL,'a =%d',a);
HiLog.info(LABEL,'a =%{private}d',a);
HiLog.info(LABEL,'a =%{private}d',a);
Suggested answer: A, B, D
asked 18/09/2024
Matthew Cole
36 questions

Question 439

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

Wearable business subsystem
Wearable business subsystem
Sign-in service subsystem
Sign-in service subsystem
Smart large-screen business subsystem
Smart large-screen business subsystem
Media subsystem
Media subsystem
Suggested answer: A, C
asked 18/09/2024
Eric Jones
43 questions

Question 440

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If a developer wants to implement the page swiping function in an application, which of the following components can be used to implement the function?

Picker
Picker
ListContainer
ListContainer
Switch
Switch
ScrollView
ScrollView
Suggested answer: A, B, D
asked 18/09/2024
Peter Jennings
34 questions
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