Home / Huawei / H14-231_V1.0

Huawei H14-231_V1.0 Practice Test - Questions Answers, Page 2

Question list

List of questions

Question 11

(0)

A HarmonyOS engineer needs to apply for a digital certificate to complete the release of the application, which of the following descriptions of digital certificates is wrong?

Question 12

(0)

When developing a HarmonyOS application, which of the following is NOT a permission that should be followed?

Question 13

(0)

A developer needs to use the current scattered data network for socket data transmission, and in this scenario, the development process involves the following steps: 1. Use socket to send data 2.

Question 14

(0)

Which of the following descriptions of the HarmonyOS clipboard function is correct?

Question 15

(0)

Which of the following descriptions of Page and AbilitySlice is correct?

Question 16

(0)

Now a Text component is used as the title of a page, and the Text needs to be set to be invisible, but it still occupies the current layout space, which of the following is correct?

Question 17

(0)

How to realize distributed communication between two existing Harmony OS devices?

Question 18

(0)

It is necessary to apply for the permission of certain operation sensitive capabilities. Which of the following is NOT considered a sensitive capability?

Question 19

(0)

When a developer migrates pictures on his mobile phone to a large screen, the interface layout automatically switches from vertical to horizontal; When the image is migrated, the image is migrated f

Question 20

(0)

The maximum number of simultaneous activations of a Worker thread

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?

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

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?

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.

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?

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?

The default size of shared memory in Harmony OS is ?

Question 11

A HarmonyOS engineer needs to apply for a digital certificate to complete the release of the application, which of the following descriptions of digital certificates is wrong?

Issued by AppGallery Connect

You need to use DevEco Studio to generate a key

Digital certificates are used to ensure the integrity of the application

The digital certificate format is .csr

Show Answer Comment (0)

Question 12

When developing a HarmonyOS application, which of the following is NOT a permission that should be followed?

The user can know and control

The permission application is complete

Custom permissions can be renamed the same name

Permission requests are minimized

Show Answer Comment (0)

Question 13

A developer needs to use the current scattered data network for socket data transmission, and in this scenario, the development process involves the following steps:

1. Use socket to send data

2. Call NetHandle.bindSocket() to bind the network.

3. Call NetManager.getDefaultNet() to get the default data network.

4. Call NetManager.getInstance(Context) to get the instance object of network management.

When the developer combed through the development steps, the above steps were sorted according to the order in which the features were completed in the code. Which of the following is the correct order?

4123

4213

4321

2143

Show Answer Comment (0)

Question 14

Which of the following descriptions of the HarmonyOS clipboard function is correct?

Only clipping is supported

can be copied and pasted into app B in app A

can be copied in application A, but not pasted in application B

Only replication is supported

Show Answer Comment (0)

Question 15

Which of the following descriptions of Page and AbilitySlice is correct?

AbilitySlice can exist on its own

B page can contain multiple AbilitySlices

There is at least one AbilitySlice in a page

Page can contain only one AbilitySlice

Show Answer Comment (0)

Question 16

Now a Text component is used as the title of a page, and the Text needs to be set to be invisible, but it still occupies the current layout space, which of the following is correct?

ohos:visibility='invisible'

text.setVisibility(Component.VISIBLE);

ohos:visibility='visible'

ohos:visibility='hide'

Show Answer Comment (0)

Question 17

How to realize distributed communication between two existing Harmony OS devices?

Configure the ohos.permission.lNTERNEl permission in the configuration file

Configure ohos.permission.DISTRIBUTED_DATASYNC permission in the configuration file and dynamically request this permission again

Configure ohos.permission.DISTRIBUTED_DATASYNC permissions in the configuration file

Configure the ohos.permission.IlNTERNET permission in the configuration file and dynamically request this permission again

Show Answer Comment (0)

Question 18

It is necessary to apply for the permission of certain operation sensitive capabilities. Which of the following is NOT considered a sensitive capability?

camera

Make a call

Photo

Microphone

Show Answer Comment (0)

Question 19

When a developer migrates pictures on his mobile phone to a large screen, the interface layout automatically switches from vertical to horizontal; When the image is migrated, the image is migrated from the large screen to the mobile phone, and the interface layout is automatically switched from horizontal to vertical. Excuse me, how did this developer implement this feature?

Use the setMainRoute() method to specify the forwarding device

Implement the IAbilityContribution interface to enable Ability to support migration

Use the continueAbility() method for fetching

Use the onStart() method to rewrite the migration flow

Show Answer Comment (0)