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Huawei H14-231_V1.0 Practice Test - Questions Answers, Page 30

Question list

List of questions

Question 291

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Which of the following types of NFC tags are supported by HarmonyOS?

Question 292

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

Question 293

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The Web-like development paradigm provides a series of lifecycle callback methods for custom components, which are the following lifecycle callback methods for developers to manage the internal logi

Question 294

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

Question 295

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

Question 296

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

Question 297

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What are the following task distribution methods for developers?

Question 298

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During the development of a HarmonyOS application, a developer needs to obtain the uplink and downlink traffic of a specified NIC. Which of the following interfaces does the developer need?

Question 299

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When a developer develops an online education application, which of the following components can be combined into a single-choice question if the student Answer:ing interface has multiple choice que

Question 300

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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?

Related questions

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.

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

In the HarmonyOS system architecture, the distributed data management module belongs to the framework layer.

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.

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?

Which modules in the following figure can be installed and operated independently?

A developer needs to cancel a task, but part of the code segment he wrote was deleted by mistake. The remaining codes are as follows, with the missing codes indicated by the dash: TaskDispatcher dispatcher = getUlTaskDispatcher(); Revocable revocable = ________________________(new Runnable(){ @Overide Public void run(){ HiLog.info(L . ABEL_ _LOG,'delay dispatch'); } },10); Boolean revoked = revocable.revoke(); HiL og.info(L _ABEL_ LOG),'%{public}b' ,revoked); Which of the following might be missing pieces in the above code?

The default size of shared memory in Harmony OS is ?

An engineer uses the WLAN P2P function, and the engineer can establish a P2P group.

Which of the following classes is the base class for JavaScript FA (Feature Ability) to run on HarmonyOS?

Question 291

Which of the following types of NFC tags are supported by HarmonyOS?

NFC-A

NFC-B

NFC-C

NFC-F

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Question 292

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

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The Web-like development paradigm provides a series of lifecycle callback methods for custom components, which are the following lifecycle callback methods for developers to manage the internal logic of custom components?

OnAttached

Onlnit

OnPageShow

OnDestroy

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Question 294

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 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

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Question 295

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

Distributed Task Scheduling

Forwarding task management services

Distributed security authentication

Distributed soft bus

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Question 296

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

Historically first used

Intelligent Recommendation Mode

History recently used

History is the most used

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Question 297

What are the following task distribution methods for developers?

Synchronous distribution

Asynchronous distribution

Asynchronous delayed distribution

Distributed in groups

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Question 298

During the development of a HarmonyOS application, a developer needs to obtain the uplink and downlink traffic of a specified NIC. Which of the following interfaces does the developer need?

getAllTxBytes()

getAllRxBytes()

getlfaceTxBytes(String nic)

getlfaceRxBytes(String nic)

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Question 299

When a developer develops an online education application, which of the following components can be combined into a single-choice question if the student Answer:ing interface has multiple choice questions and multiple choice questions?

Checkbox

RadioButton

Picker

RadioContainer

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Question 300

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

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

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