Huawei H14-231_V1.0 Practice Test - Questions Answers, Page 45

List of questions
Question 441

When a developer uses HarmoyOS system security, which of the following functions makes the device have the ability to prove its security to other virtual devices?
Question 442

A developer is using CommonEventData to encapsulate information about ordered public events for data processing when publishing, distributing, and receiving. What do I need to pay attention to when developing?
Question 443

When a developer is developing a flight booking application, he needs to use the sliding selector DatePicker in the date selection of air tickets, and in order to improve the user experience, he needs to set the color of a single year/month/day item in operation to blue (#0000FF), which of the following items can meet the development needs?
Question 444

A developer wants to use JS (JavaScript) to develop an application on the smart screen, Which of the following development languages does the developer need to master?
Question 445

If a developer wants to develop an application on a smart screen, which of the following subsystems will he use?
Question 446

. If a developer wants to use the distributed device virtualization capabilities of HarmonyOS, which of the following hardware can be selected by the developer?
Question 447

What are the reasons why a developer wants to use the previewer in DevEco Studio to view the application interface of the design, but the previewer cannot be used?
Question 448

The log content filtered by a developer through relevant information is:
01-2016:08:36.908
23597/com.example.myapplication W
00201/MY TAG:Failed to visit,reason:503.
Which of the following cannot be obtained by analyzing the log?
Question 449

If a developer uses the startAbility() method provided in Ability to start a Service, what are the correct descriptions of starting the Service?
Question 450

Which of the following methods can a developer use to obtain the actual pixel size corresponding to 8VP on the current device?
Question