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

Transitions between applications

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

bundleManager.queryAbilityByWant

BundleManager.getApplicationInfo

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 @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 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

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

What are the following advantages of the HarmonyOS forwarding architecture?

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.

Unified flow management UI, supporting device discovery, selection, and task management.

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.

Unified flow management UI, supporting device discovery, selection, and task management.

Support multiple applications to be forwarded at the same time.

If a HarmonyOS application developer writes the following code, what options are correct for the following code description?

The device receives a notification when A Feature Ability starts

Received a notification titled 'Text 1'

The content of the notification received is 'text 2'

The device receives a notification when A Feature Ability starts

Received a notification titled 'Text 1'

The content of the notification received is 'text 2'

The Import statement is in the wrong position and should be inside the export default parentheses

A HarmonyOS application developer displays three flowers in the form of a list, and the interaction logic code of the page is as follows.

The data for the A list comes from the textList array, so the list will display three rows

src indicates the path of the image, and value indicates the name of the image

The developer defines the contents of the textList array, which contains three elements

The data for the A list comes from the textList array, so the list will display three rows

src indicates the path of the image, and value indicates the name of the image

The three images are placed in the images subdirectory in the common directory of the same level as the file on the project page

The developer defines the contents of the textList array, which contains three elements

Which of the following modules does the HarmonyOS forwarding architecture consist of?

Forwarding task management services

Distributed security authentication

Forwarding task management services

Distributed security authentication

Which of the following sorting types does the trusted list of devices found by HarmonyOS Device Manager contain?

Intelligent Recommendation Mode

What are the following task distribution methods for developers?

Asynchronous delayed distribution

If a user wants to migrate the video of his mobile phone to the smart screen for display on a video call, what are the correct items in the description of the scene?

The mobile phone and the smart screen need to be under the same LAN

The mobile phone and the smart screen can not be interconnected

You need to use the same HUAWEI ID on both the phone and the smart screen

The mobile phone and the smart screen need to be under the same LAN

Unauthorized HUAWEI IDs are not available

The mobile phone and the smart screen can not be interconnected

You need to use the same HUAWEI ID on both the phone and the smart screen

When a developer is developing an application, he creates a Checkbox component and writes the following code, which of the following descriptions of the code segment is correct?<checkbox ohos:id='$+ id:check_box'ohos:height='match_content'ohos:width='match_content'ohos:text='This is a checkbox'ohos:marked='false'ohostext_color_on=''#000000''ohos:text_color_off='#FFFFFF'ohos:text_size='#000000'/>

sets the selected text color to black

sets the initial state to Selected

sets the color of unselected text to black

If a developer wants to use the distributed capabilities of HarmonyOS, which of the following options can the developer choose?

Distributed device virtualization

When developing an application, a developer uses the WLANP2P function to realize point-to-point data transmission between devices. The functionality of the application is as follows: Function 1: Discover the peer device. Function 2: Create and remove groups. Function 3: Initiate a connection to the peer device. Which of the above features is correct in the following descriptions?

To implement function 2, you need to use the createGroup() and removeGroup( ) interfaces, and you need to request ohos. permission. GET_WIFI_INFO permissions

In order to achieve the above functions, you need to initialize the P2P messenger through the init() interface, and you need to request ohos.permission.GET_WIFI_INFO and ohos.permission.SET_WIFI_INFO permissions

To implement function 2, you need to use the createGroup() and removeGroup( ) interfaces, and you need to request ohos. permission. GET_WIFI_INFO permissions

To achieve function 1, you need to use the discoverDevice() interface, and you need to request ohos. permission. SET_WIFI_INFO Limitations

In order to achieve function 3, the connect() interface needs to be used, and the ohos.permission.SET_WIFI_INFO permissions need to be requested

In order to achieve the above functions, you need to initialize the P2P messenger through the init() interface, and you need to request ohos.permission.GET_WIFI_INFO and ohos.permission.SET_WIFI_INFO permissions

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.

The width of the component is 300vp

The height of the C component matches the text size

The width of the component is 300vp

The height of the C component matches the text size

What functions does HarmonyOS provide in app data management to enable developers to seamlessly connect app data between different devices?

Local application data management

If a developer develops a HarmonyOS application and remotely launches a Page on phone B, which of the following permissions does not require the user to request authorization by sending a pop-up window at runtime?

ohos.permission.GET_DISTRIBUTED_DEVICE_INFO

ohos.permission.DISTRIBUTED_DEVICE_STATE_CHANGE

ohos.permission.GET_BUNDLE_INFO

ohos.permission.GET_DISTRIBUTED_DEVICE_INFO

ohos.permission.DISTRIBUTED_DEVICE_STATE_CHANGE

ohos.permission.GET_BUNDLE_INFO

ohos.permission.DISTRIBUTED_DATASYNC

HarmonyOS provides two mechanisms for calling JavaPA (ParticleAbility) by JSFA(FeatureAbility), namely Ability and InternalAbility.

Ability has an independent life cycle

Ability does not need to be registered with the FA

The class inherited by C InternalAbility is ohos.ace.ability.AcelnternalAbility

InternalAbility cannot be called by other FAs

Ability has an independent life cycle

Ability does not need to be registered with the FA

The class inherited by C InternalAbility is ohos.ace.ability.AcelnternalAbility

Ability is not allowed to be accessed by other FAs

InternalAbility cannot be called by other FAs

Which of the following items are correctly described about the HarmonyOS distributed database?

The interface is simple, and the backup and encryption features are simple and configurable

shields different physical transmission channels

The synchronization logic is completely transparent

The interface is simple, and the backup and encryption features are simple and configurable

shields different physical transmission channels

The synchronization logic is completely transparent

When developing a HarmonyOS application, a developer receives the following product request: If a user logs in to the same HarmonyOS account on device A and device B, the user can log in to the app on device A and synchronize the application account authentication information to account B as needed. After the account authentication information is synchronized, the user can open the application on device B and log in directly without entering the application account authentication information again. Which of the following descriptions of this scene is correct?

The developer can do this with the help of DVID, because the application can access and manage distributed devices based on the DVID

If you use a DVID to achieve the above functions, the DVE is strongly associated with your HarmonyOS account and application information, so you can prevent other applications from accessing the current application data.

The developer can do this with the help of UUIDs, because apps can use UUIDs to uniquely identify the same device during their lifetime

If the developer borrows the UUID to achieve the above requirements, the UUID logo will still exist after the application is uninstalled.

The developer can do this with the help of DVID, because the application can access and manage distributed devices based on the DVID

If you use a DVID to achieve the above functions, the DVE is strongly associated with your HarmonyOS account and application information, so you can prevent other applications from accessing the current application data.

There is a config.json configuration file in the root directory of each HAP (HarmonyOS Ability Package) of an application.

Version information for the app

Layout property configuration information

Version information for the app

What principles of permission should be followed when developing HarmonyOS applications?

The permission application is complete

Custom permissions to prevent duplicate names

Permission requests are minimized

The permission application is complete

Custom permissions to prevent duplicate names

Permission requests are minimized

HarmonyOS supports the flexible deployment of multiple terminal devices on demand through design methods such as componentization and miniaturization, and can adapt to different types of hardware resources and functional requirements. Which of the following descriptions of elastic deployment are correct?

supports the association of components and dependencies

Supports the configuration of the feature set within the component

Clipping of functions within the component is not supported

supports the association of components and dependencies

The selection of each component is not supported

Supports the configuration of the feature set within the component

When a developer develops a HarmonyOS application and uses an intent pass object, which of the following descriptions of intent are correct?

does not specify the BundleName and Ability Name to implement the jump, and the application is started according to other attributes in the operation

Specify the BundleName and AbilityName to implement the jump, and start the application directly according to the full name of the Ability

does not specify the BundleName and Ability Name to implement the jump, and the application is started according to other attributes in the operation

Specify the BundleName and AbilityName to implement the jump, and start the application directly according to the full name of the Ability

deals with the work of an application as a whole

is a long-lifecycle, D-program with no user interface that keeps the app running in the background and doesn't disappear by switching pages

Huawei H14-231_V1.0 Practice Test 8 - Free Online Exam Prep & Questions

Question 1 / 40

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

When you click the button, the lunch event will be triggered

The Text component is used to jump to and from two pages

The Button component is used to jump to and from two pages

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