Huawei H14-231_V1.0 Exam Questions Instant Access

Question 1

In multiple distributed devices with the same HarmonyOS account, after logging in to an app, the app can synchronize the app account authentication information (account name, token or other) to other devices as needed.

ATrue

BFalse

Answer : A

Question 2

Where is the data of the preference placed after persistence?

AIn memory

Bdatabase table

Cfile

DCloud

Answer : C

Question 3

In order to ensure that the application has better responsiveness, the developer has designed different priorities for tasks A, B, and C. Task A maintains the default priority, Task B has HICH, and Task C has LOW. Which of the following descriptions of tasks A. B, and C is correct?

ATask A and B have the highest priority and have a higher chance of being executed than Tasks A and C

Bcan be inferred from the priority design of the developer, who believes that task B does not need to wait for the result

CTasks A, B, and C should not be issued by the same task dispatcher

DTask A has the highest priority and has a higher chance of being executed than Tasks B and C

Answer : A, B

Question 4

Which of the following items are involved in migrating Page from device A to device B?

AThe system calls back the onStartContinuation( ) method of all AbilitySlice instances on the Page on device A and all AbilitySlice instances in its AbilitySlice stack

Brequests migration from the Page on Device A

CThe system calls back the onCompleteContinuation( ) method of all AbilitySlice instances on the Page on Device A and all AbilitySlice instances in its AbilitySlice stack

DIf the migration can be done immediately, the system calls back the onSaveData( ) method of all AbilitySlice instances on the Page on device B and all AbilitySlice instances in its AbilitySlice stack

Answer : B, C

Question 5

When the user migrates the video on the mobile phone to the smart screen for playback, there will be a pop-up prompt for the user to confirm whether to start the migration. During the migration process, which of the following methods is first called?

AonSaveData()

BonStartContinuation()

ConRestoreData()

DonCompleteContinuation()

Answer : B

Question 6

If a third-party application has registered the callback of the airplane mode setting item in advance, when the user modifies the airplane mode status of the terminal through the system settings, the application will detect the change of this setting item and adapt it. If the airplane mode is detected to be turned off, the app will go offline, and if the airplane mode is detected and turned on, the app will recapture the online data.

ATrue

BFalse

Answer : A

Question 7

Which of the following are the lifecycle callback functions of Ability?

AonCreate

BonDestroy

ConPageShow

DonPageHide

EonForeground

FonBackground

Answer : A, B, E, F

Huawei HCIP-HarmonyOS Application Developer V1.0 H14-231_V1.0 Exam Questions