H14-231_V1.0-ENU exam

Which of the following interfaces can repeatedly call a function with a fixed time delay between each call?A . setTimeout?B . setlntervalC . clearTimeoutD . clearlntervalView AnswerAnswer: B

In the HarmonyOS system architecture, which of the following provides unified peripheral access capabilities and driver development management framework?A . KAL (Kernel Abstract Layer)B . AbilityC . UID . HDF (Hardware Driver Foundation)View AnswerAnswer: D

If a developer needs to solve problems such as insufficient image resolution and image compression noise, which of the following AI capabilities can be used by HarmonyOS?A . Document Detection CorrectionB . General Character RecognitionC . Entity RecognitionD . Image super-resolutionView AnswerAnswer: D

A developer defines an entity class Student.java and uses the following code to construct a teaching table: Entity(tableName="student",ignoredColums =["ignoredColumn1"," ignoredColumn2", indices =(@Index(value =("firstName." ,"lastName",name="name_index", unique = true))) Public class User extends OrmObject{ @PrimaryKey(autoGenerate= true) Private Integer userld; Private String firstName; Private String lastName; Private int age; Private double balance; Private...

Call NetManager.getInstance(Context9) to get the instance object of network management. When the developer combed through the development steps, the above steps were sorted according to the order in which the features were completed in the code. Which of the following is the correct order?A . 4→1→2→3B . 4→2→1→3C . 4→3→2→1D...

When a HarmonyOS app developer uses the form container, which of the following elements can be submitted and reset?A . MenuB . ListC . InputD . ImageView AnswerAnswer: C

In order to help users find data in the app through the global search app, a HarmonyOS developer needs to index the data of the app and configure the global search searchable entities. Which of the following interfaces can the developer choose to index their application data?A . Converged search...

If a developer wants to develop an application on a smart screen, which of the following subsystems will he use?A . DV subsystemB . Proprietary business subsystem of smart screenC . Media SubsystemD . Safety subsystemView AnswerAnswer: B

How do I define the permissions correctly when a developer needs to customize the permissions for a third-party application for Harmony OS?A . module: { reqPermissions: [{ name:com.myability.permission.MYPERMISSION,grantMode:system_grant, availableScope: [signatures] } }B . module: { defPermissions: [{ name:name:com.myability.permission.lNTERNET, grantMode:user grant, availableScope: [signatures] } } module: { defPermissions: [{C . name:name:com.myability.permission.INTERNET,...

A developer is developing a ticket booking application, in the selection of the location of the ticket, you need to use the slide selector Picker, in order to highlight the selected text, the developer sets the rendering effect that the selected text margin is greater than the ordinary text margin....