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Huawei H14-231_V1.0 Exam Syllabus Topics:

Huawei HCIP-HarmonyOS Application Developer V1.0 Sample Questions:

1. If a developer uses the startAbility() method provided in Ability to start a Service, what are the correct descriptions of starting the Service?

A) If the Service is not yet running, the system will call onStart() to initialize the Service
B) If the Service is running, the system will call back theonStart() method of the Service to start the Service
C) If the Service is not already running, the system will call the onCommand() method to start the Service
D) If the Service is running, the system will call back the onCommand() method of theService to start the Service

2. A developer obtains a log content: static finalHiLogLabel LABEL = new HiLogLabe1 (HiLog.LOG_APP,Ox00201, "MY_TAG"); Which of the following information can't be obtained?

A) Log type
B) Log ID
C) log level
D) The business area of the log

3. The key generated by the developer contains the public key and the private key used in asymmetric encryption, and in what format is the key stored in the key file?

A) p7b
B) cer
C) csr
D) p12

4. 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.

A) Afterthe central device obtains the peripherals,it calls connect (boolean isAUtoConnect, BlePeripheraCallback callback) to establish a GATT connection with the peripherals
B) GATT connection is successful, and the peripheral device can call the write method to write the eigenvalue data to the central device
C) After the C GATT connection is successful, the central device can call the discoverServices() interface to obtain various data supported by the peripheral equipment
D) 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

5. 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?

A) ohos.permission.GET_DISTRIBUTED_DEVICE_INFO
B) ohos.permission.GET_BUNDLE_INFO
C) ohos.permission.DISTRIBUTED_DATASYNC
D) ohos.permission.DISTRIBUTED_DEVICE_STATE_CHANGE

Solutions: