Huawei H14-231_V1.0 Practice Test - Questions Answers, Page 17

In the JS (JavaScript) UI framework, which layer is used to complete the front-end page parsing?

If a developer needs to add the Banner function to a page, which of the following components is most suitable for implementing the function?

A developer is developing an alarm clock application, which of the following components can be used to set the hour, minute, and second of the alarm clock?

When a developer develops an application based on Harmony OS, one of the HAPs (HarmonyOS Ability Package) needs to access the SQLite database to implement the following functions:

Function 1: Create a database.

Function 2: Insert data.

Function 3: Query data.

Which of the following descriptions of the developer's development steps is correct?

When a developer installs HAP (HarmonyOS Ability Package), what is the reason for the 'STRING LENGTH ERROR' message?

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?

If a developer wants to develop a page with a tab function, the developer can use the TabList component provided by HarmonyOS. If you want to set the selected tab to be marked by underlining at the bottom, which of the following codes is correct?

When a developer receives a new product demand and asks users to remake old documents such as paper letters into electronic versions, the application can improve the remake effect of the old documents and make the work more correct. What kind of AI-enabled capabilities can be leveraged by HarmonyOS to achieve this?

A developer uses the AI capabilities provided by Harmony OS to achieve the following functions: 1. Perform text detection and recognition of image sources such as document remakes and street view reproductions, and provide translation, search and other related services based on the recognition results. 2. Convert various bills into image information by taking pictures, and then use text recognition technology to convert image information into character information that can be used by computers and other equipment. In order to implement the above functions, which of the following I capabilities is most likely to be used by the developer?