QUESTION 289
Which of the following is NOT a capability provided by Distributed Device Virtualization in HarmonyOS?

QUESTION 290
When developing a HarmonyOSapplication, which of the following is NOT a permission that should be followed?

QUESTION 291
Which of the following items is an asynchronous task dispatch method in HarmonyOS threads?

QUESTION 292
In HramonyOS, which of the following can developers use the static animation feature to achieve?

QUESTION 293
In what ways can developers use device-cloud integration in DevEco Studio?

QUESTION 294
Which of the following request methods is appropriate to submit form data to the server?

QUESTION 295
In HarmonyOS, by default, the UI interface is displayed and updated in the main thread

QUESTION 296
When a developer develops an application based on HarmonyOS, the data used by a developer can be decomposed into multiple objects. The developer needs to add, delete, modify, and check the teaching data, but does not want to write overly complex SQL statements. In this scenario, the developer can use an object-relational mapping database to process the data.

QUESTION 297
What are the common problems in uploading software packages during the listing process of HarmonyOS applications/metaservices?

QUESTION 298
AR (HarmonyOSAbilityResources) Different HAPs (HarmonyOSAbilityPackage), HAR cannot be installed and run on the device independently, and can only be referenced as a dependency of the application module.

QUESTION 299
If a developer wants to use the device virtualization feature of HarmonyOS, which subsystem will he use?

QUESTION 300
There are two Text components in the Row component, if the justifyContent alignment method is used, which of the following properties can be aligned to the left and right ends

QUESTION 301
In HarmonyOS, Intents are the carriers for transferring information between objects, and which of the following items can be set through Intents?

QUESTION 302
In the declarative development paradigm, which of the following decorator decorated state variables needs to be initialized locally, and the initialized value can be overridden by the construction parameters?

QUESTION 303
What are the following development languages that a developer can use to develop a mobile app using HarmonyOS?

QUESTION 304
What is the minimum API version supported by HarmonyOS Cloud Development?

QUESTION 305
When a developer develops a HarmomyOSapplication, if a Text component is used as the title bar of the page, and its width is set to match_parent and its height is set to 50vp, how can the text content in the Text be centered when setting its properties in the layout file?

QUESTION 306
A developer uses HarmonyOS to write half of an email on his mobile phone and click the transfer button to the tablet to continue editing the email.

QUESTION 307
When a developer clicks the exit button of an application to release Page Ability resources, which callback method in the Page Ability lifecycle will be triggered?

QUESTION 308
What is the “1” in HarmonyOS’s “1+8+N” strategy?

QUESTION 309
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 int ignoredColumnl;
Private int ignoredColumn2;
}
Which of the following descriptions of this code is wrong?