QUESTION: 349 Exam Topic: 2, Exam Pool B

If a developer wants to use the notification function of HarmonyOS when developing an application, which of the following notification styles can be selected by the developer?

Plain text
Multi-line text
Long text
Picture

Answer(s): A,B,C,D

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QUESTION: 350 Exam Topic: 2, Exam Pool B

When a developer calls Particle Ability (PA) with FA (Feature Ability), callAbility returns the error "Internal ability not register.", what key steps does the developer need to check?

checks that the Ability filled in on the JS (JavaScript) side is 1
In the AccAbility inheritance class, whether the register method is executed for the AcelnternalAbility inheritance class
Whether the bundLeName and abilityName filled in on the JS (JavaScript) side are the same as the names filled in the AcelnternalAbility inheritance class constructor
Check that the Internal Ability entered on the JS (JavaScript) side is 0

Answer(s): B,C

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QUESTION: 351 Exam Topic: 2, Exam Pool B

A HarmamyOS developer created three task distributors, serial task dispatcher_a and dispatcher_b, and a proprietary task dispatcher dispatcher_s. The developer is experiencing a deadlock while using syncDispatch, which of the following causes could cause this phenomenon?

In the task assigned by the dispatcher_a, the task is dispatched by dispatcher_a again
The thread pool is full
In dispatcher_a assignment tasks, use dispatcher_b to dispatch assignments
On a dedicated thread bound dispatcher_s, use dispatcher_s for syncDispatch

Answer(s): A,D

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QUESTION: 352 Exam Topic: 2, Exam Pool B

To test the HarmonyOS Bluetooth Low Energy function, a developer uses a central device to call the startScan() interface and scans for a peripheral device. In order for the central device to complete the data exchange with the peripherals, the developer implemented the following development steps.

GATT connection is successful, and the peripheral device can call the write method to write the eigenvalue data to the central device
After the central device obtains the peripherals, it calls connect (boolean isAUtoConnect, BlePeripheraCallback callback) to establish a GATT connection with the peripherals
After the C GATT connection is successful, the central device can call the discoverServices() interface to obtain various data supported by the peripheral equipment
After the GATT connection is started, the developer needs to determine whether the GATT connection is successful based on the serviceDiscoveredEvent(int status) callback result

Answer(s): B,C

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Free H14-231_V1.0 Exam Braindumps (page: 88)

QUESTION: 349 Exam Topic: 2, Exam Pool B

QUESTION: 350 Exam Topic: 2, Exam Pool B

QUESTION: 351 Exam Topic: 2, Exam Pool B

QUESTION: 352 Exam Topic: 2, Exam Pool B