Be optimistic about the multiple-choice questions, each 2 points more than 2 correct answers is exactly 88 points, I wish you success.
Other support multiple choice questions.
1. Judgment
- As long as you use the cloud resources integrated with the terminal and cloud, you need to pay for it (wrong)
- All custom components decorated with @Component support onPageShow, onBackPress and onPageHide lifecycle functions. (wrong)
- HarmonyOS applications can be compatible with the OpenHarmony ecosystem (yes)
- Using the integrated development of the terminal and cloud, there is no need to build a server by yourself and perform operation and maintenance. (right)
- Based on the integrated development of devices and clouds, developers need to be proficient in different development languages for front-end and back-end. (wrong)
- In Column and Row container components, alignItems is used to set the alignment format of subcomponents in the direction of the main axis, and justifyContent is used to set the alignment format of subcomponents in the direction of the cross axis (wrong)
- ArkUI is a declarative development paradigm (yes)
- After the cloud function is packaged, you need to go to AppGallery Connect to create a trigger for the corresponding function before it can be called on the device side (wrong)
- Worker threads do not support UI operations. (right)
- Every custom component has its own life cycle. (right)
Two, radio
- What type should be selected when a profile needs to be created when releasing an application? (release)
- Which of the following combinations cannot achieve two-way data synchronization between parent and child components for child components. (@State and @Prop)
- Which of the following account authentications does the authentication service support? (HUAWEI ID)
- When adding user information, if the account uses a mobile phone number, which of the following input formats is correct? (86-189****1234)
- To create a certificate when publishing an application, what type of certificate should be selected? (issued certificate)
- When the meta service creates a test user, does the user list storage location need to be selected? (China)
- Which of the following components cannot contain child components: (LoadingProgress)
- In what ways can developers use device-cloud integration in DevEco Studio? (engineering template)
- Is human review still required after an open beta release? (unnecessary)
- When is aboutToAppear() of the custom component executed? (before the build function)
- What is the full name of HUKS in Chinese? (Universal keystore system)
- Which field must the meta service package name end with? (hmservice)
- Which of the following methods can jump to a new page and destroy the current page. (router. replaceUrl())
- There are two Text components in the Row component. If you use justifyContent alignment, which of the following properties can achieve left and right alignment: (FlexAlign.SpaceBetween)
- When the state data modified by @State is modified, will the () method of the component be triggered to update the UI interface? (build method)
- Regarding the position setting of the Tabs component tab, what is wrong in the following description? (When the barPosition is End and the vertical property is true, the tab is at the bottom of the container.)
- After the release of the open beta version, how will the invited test users experience it? (Enter the service center, turn on the "Developer Test" switch, and find the meta-service to be experienced in the "Service Test" at the bottom)
- Does the Webview capability provided by HarmonyOS support two-way communication with H5? (support)
- The application package name cannot contain some reserved fields. Which of the following fields conforms to the specification? ( .test.)
- Regarding the startup mode of UIAbility, the following statements are wrong: (Muliton is a multi-instance mode, and each startAbility will start a new instance, and the system defaults to muliton mode.)
- What component is the entrance of Webview in HarmonyOS? (Web Components)
- After releasing the open test version, how to add test users? (Need to re-release a new test version to add users)
- () module provides a full-duplex communication protocol? (WebSocket)
- Where can I get the released Hongmeng apps? (Huawei AppGallery)
- A meta-service package consists of one or more HAP packages, and each HAP package must not exceed ( ) to provide instant open experience. (10mb)
- Regarding the callback event of the Video component, the following statement is wrong: (onStart triggers this event when the video is playing, and you can get the video duration here.)
1 What capabilities does the public event service provide for applications
B. Subscribe to public events
C. Post a public event
D. Unsubscribe from public events
2 What are the parts of the directory structure of the terminal-cloud integration project?
A. Terminal development project (Application)
B. Cloud Development Project (CloudProgram)
C. External Libraries
3What functions are included in the life cycle of UIAbility?
A.onCreate
B. onForeground
C. onBackground
D. What are the componentization features of onDestroy
4 custom components
A. Composable
B. Reusable
C. Configuration life cycle
D. Data-driven update
What operations are supported by cloud functions in 5-end cloud integration
A. Write functions
B. Test function
C. Packed functions
D. What are the three levels of deployment function 6 to develop multi-end deployment at one time?
A. Interface level one more
B. Multiple functional levels
C. What scenario-based capabilities are included in the engineering-level One-to
-7 Hongmeng features?
A. One-time development, multi-device deployment
B. Can be separated or combined, free circulation
C. What are the start-up modes of unified ecology and native intelligence 8UIAbility
A. singleton
B. specified
C. multition