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Huawei H14-231_V1.0 Practice Test - Questions Answers, Page 29

List of questions

Question 281

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A HarmonyOS application developer creates two pages, indlex and detai1, so that the two pages jump to each other. The code of the index page is as follows, which of the following descriptions are correct?

Huawei H14-231_V1.0 image Question 281 36884 09182024193000000000

Text component is used to mark the current page
Text component is used to mark the current page
When you click the button, the lunch event will be triggered
When you click the button, the lunch event will be triggered
The Text component is used to jump to and from two pages
The Text component is used to jump to and from two pages
The Button component is used to jump to and from two pages
The Button component is used to jump to and from two pages
Suggested answer: A, B, D
asked 18/09/2024
Patrick Duglay Piceda
38 questions

Question 282

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What are the following types of transition animations in the declarative development paradigm?

page transition
page transition
Transitions between applications
Transitions between applications
Share element transitions
Share element transitions
Transitions within an assembly
Transitions within an assembly
Suggested answer: A, C, D
asked 18/09/2024
David Fernando del Villar
46 questions

Question 283

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Which of the following APIs can I use to query the information of Ability?

bundleManager.queryAbilityByWant
bundleManager.queryAbilityByWant
BundleManager.getApplicationInfo
BundleManager.getApplicationInfo
BundleManager.getAbilitylnfo
BundleManager.getAbilitylnfo
BundleManager.getBundlelnfo
BundleManager.getBundlelnfo
Suggested answer: A, C, D
asked 18/09/2024
Ksu doo Makek
51 questions

Question 284

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In the declarative development paradigm, which of the following rules about the constructor method initializes member variables is wrong?

The parent component's regular variables cannot be used to initialize @Link or @Prop variables
The parent component's regular variables cannot be used to initialize @Link or @Prop variables
@StorageLink and @StorageProp are allowed to be passed from the parent component to the child component
@StorageLink and @StorageProp are allowed to be passed from the parent component to the child component
The @Prop variable of the parent component can initialize the eState or @Link variable of the child component
The @Prop variable of the parent component can initialize the eState or @Link variable of the child component
The @State variable of the parent component cannot initialize the @State variable of the child component
The @State variable of the parent component cannot initialize the @State variable of the child component
Suggested answer: A, C, D
asked 18/09/2024
TIAM HERVE
53 questions

Question 285

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What are the following advantages of the HarmonyOS forwarding architecture?

Support remote service invocation and other capabilities, which can easily design business.
Support remote service invocation and other capabilities, which can easily design business.
Support different forms of devices, such as mobile phones, tablets, TVs, watches, etc.
Support different forms of devices, such as mobile phones, tablets, TVs, watches, etc.
Unified flow management UI, supporting device discovery, selection, and task management.
Unified flow management UI, supporting device discovery, selection, and task management.
Support multiple applications to be forwarded at the same time.
Support multiple applications to be forwarded at the same time.
Suggested answer: A, B, C
asked 18/09/2024
Jordan Arribas Aranda
38 questions

Question 286

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Which of the following operations can be performed through the @ohos.systemTime module?

Set the system time
Set the system time
Set the system alarm
Set the system alarm
Set the system period
Set the system period
Set the system time zone
Set the system time zone
Suggested answer: A, B, C, D
asked 18/09/2024
Pedro Pereira
43 questions

Question 287

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The declarative development paradigm based on TS extensions provides a series of basic components, the following code describes the structure of a simple page, read this code, which of the following are built-in components?

Huawei H14-231_V1.0 image Question 287 36890 09182024193000000000

Divider
Divider
Button
Button
Text
Text
Columm
Columm
Suggested answer: B, C
asked 18/09/2024
Ehsan Ali
43 questions

Question 288

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Which of the following system resources does the Ark Development Framework provide for developers?

string
string
Picture
Picture
Color
Color
Rounded corners
Rounded corners
Suggested answer: A, B, C
asked 18/09/2024
Roger Berger
31 questions

Question 289

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What are the following aspects of resource utilization analysis that DevEco Studio Performance Analyzer can perform?

Memory
Memory
Battery
Battery
CPU
CPU
network
network
Suggested answer: A, B, C, D
asked 18/09/2024
Simone Somacal
33 questions

Question 290

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Which of the following breakpoint management functions does the JS code type support?

normal line breakpoint
normal line breakpoint
Exception breakpoint
Exception breakpoint
symbol breakpoint
symbol breakpoint
method breakpoint
method breakpoint
Suggested answer: A, B, D
asked 18/09/2024
Jessica Redmond
35 questions
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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.
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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?