ExamGecko
Login
Home / Huawei / H14-231_V1.0 / List of questions
Ask Question

Huawei H14-231_V1.0 Practice Test - Questions Answers, Page 5

Add to Whishlist

List of questions

Question 41

Report Export Collapse

In the HarmonyOS system architecture, which of the following can shield the differences between multiple cores and provide basic kernel capabilities for the upper layer?

Ability
Ability
KAL (Kernel Abstract Layer)
KAL (Kernel Abstract Layer)
UI
UI
HDF (Hardware Driver Foundation)
HDF (Hardware Driver Foundation)
Suggested answer: B
asked 18/09/2024
ALBERTO BONATO
49 questions

Question 42

Report Export Collapse

When a developer uses Page Ability to open a ServiceAbility, he needs to pass parameters through Intent, at what stage is the parameter obtained in the whole process null?

onStart( ) in A S ervice.

bility
bility
PageAbility
PageAbility
ServiceAbility
ServiceAbility
ServiceAbility
ServiceAbility
Suggested answer: B
asked 18/09/2024
Max Lenin Dos Santos Torres
52 questions

Question 43

Report Export Collapse

When a developer clicks the exit button of an application to release Page Ability resources, which callback method in the Page Ability lifecycle will be triggered?

onStop()
onStop()
onlnactive()
onlnactive()
onForeground()
onForeground()
onBackground()
onBackground()
Suggested answer: A
asked 18/09/2024
brandon millette
56 questions

Question 44

Report Export Collapse

In order to help users find data in the app through the global search app, a HarmonyOS developer needs to index the data of the app and configure the global search searchable entities. Which of the following interfaces can the developer choose to index their application data?

Converged search interface
Converged search interface
Distributed data service interface
Distributed data service interface
Data storage management interface
Data storage management interface
Relational data services
Relational data services
Suggested answer: A
asked 18/09/2024
Jonas Junker
46 questions

Question 45

Report Export Collapse

Which of the following fields is not within the scope of permission?

privileged
privileged
signature
signature
restricted
restricted
deivced
deivced
Suggested answer: D
asked 18/09/2024
Martin White
42 questions

Question 46

Report Export Collapse

If a HarmonyOS engineer is about to debug a HarmonyOS application on an emulator device, which of the following debugging processes is correct?

Check the properties of the config.json file set the installation method of the hap package set the debugging code type start debugging
Check the properties of the config.json file set the installation method of the hap package set the debugging code type start debugging
Set the installation mode of the HAP package set the debugging code type check the properties of the configjson file start debugging
Set the installation mode of the HAP package set the debugging code type check the properties of the configjson file start debugging
Set the installation method of the HAP package check the properties of the configjson file set the debugging code type start debugging
Set the installation method of the HAP package check the properties of the configjson file set the debugging code type start debugging
Set the debugging code type check the properties of the config.json file set the installation method of the HAP package start debugging
Set the debugging code type check the properties of the config.json file set the installation method of the HAP package start debugging
Suggested answer: D
asked 18/09/2024
Chien Fang
47 questions

Question 47

Report Export Collapse

If a developer wants to use the video playback function of HarmonyOS, which of the following subsystems will he use?

Media Subsystem
Media Subsystem
Safety subsystem
Safety subsystem
AI subsystem
AI subsystem
Location Services Subsystem
Location Services Subsystem
Suggested answer: A
asked 18/09/2024
Robert Fox
56 questions

Question 48

Report Export Collapse

A developer is developing a ticket booking application, in the selection of the location of the ticket, you need to use the slide selector Picker, in order to highlight the selected text, the developer sets the rendering effect that the selected text margin is greater than the ordinary text margin. Which of the following settings are correct?

<Picker...... ohos:selected_normal_text_margin_ratio='5.0'/>
<Picker...... ohos:selected_normal_text_margin_ratio='5.0'/>
Picker.setSelectNormal TextMarginRatio(5.0f);
Picker.setSelectNormal TextMarginRatio(5.0f);
<Picker...... ohos:selected_normal_text_margin_ratio='0.5'/>
<Picker...... ohos:selected_normal_text_margin_ratio='0.5'/>
Picker.setSelectNormalTextMarginRatio(5.0);
Picker.setSelectNormalTextMarginRatio(5.0);
Suggested answer: B
asked 18/09/2024
leonie lira
45 questions

Question 49

Report Export Collapse

Which description of the HarmonyOS clipboard can be correctly interpreted in the following scenarios?

can be copied in application A, but cannot be pasted in application B
can be copied in application A, but cannot be pasted in application B
can be copied and pasted into app B in app A
can be copied and pasted into app B in app A
Only replication is supported
Only replication is supported
Only clipping is supported
Only clipping is supported
Suggested answer: B
asked 18/09/2024
Chini Nicola
41 questions

Question 50

Report Export Collapse

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?

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()
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()
Create a Player instance call the prepare() play() construct the data source object and set the media source call the stop() release().
Create a Player instance call the prepare() play() construct the data source object and set the media source call the stop() release().
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()
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()
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()
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()
Suggested answer: A
asked 18/09/2024
Andy Hodges
44 questions
Total 705 questions
Go to page: of 71
Search
Open VPLUS File
Convert VPLUS to PDF

Related questions

After the page is jumped or overwritten, it will enter the INACTIVE state, but the resources will not be released, and when the page switches back to the ACTIVE state, the click event will still respond normally.
What is the API for lottie to subscribe to events?
When a developer is developing an online education application, in order to improve the user experience, if the user Answer:s the question correctly, a dialog box of 'Congratulations on the correct Answer:' will pop up at the top of the window.
A developer is developing a flight booking application, and uses the sliding selector Picker to select the location of the ticket and writes the following code.
Which modules in the following figure can be installed and operated independently?
Which of the following sorting types does the trusted list of devices found by HarmonyOS Device Manager contain?
fter a developer sets :ohos:layout_alignment='horizontal_center' in the Text component, he writes: text.setMarginRight (600) in the code, where is the Text displayed in the parent layout?
After developing a HarmonyOS application, the developer needs to package the application into an app for publishing it to AppGallery. You can use DevEco Studio to generate a key, in what format is the key stored in the keystore file?
When the system creates a page instance for the first time, which method will be called?
When is the aboutToAppear() of the custom component executed?