Huawei H14-231_V1.0 Practice Test - Questions Answers, Page 52
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What is the correct description of the http module?
A.
HTTP requests support common request methods, such as get, post, and put.
B.
can use on(headersReceive') to subscribe to the request response header.
C.
The parameters of the post request can be specified in extraData.
D.
After the createHttp command is successfully executed, an httpRequest object is returned, which includes the request, destroy, on, and off methods.
What is correct about Web Component Description A?
A.
web component is a component that provides the ability to display web pages.
B.
The incoming address of a web component can be a local resource or a network resource.
C.
WebController can control various behaviors of web components, such as the forward and backward functions of web pages.
D.
When accessing online web pages, you need to add network permissions.
What are the data management methods provided by HarmonyOS?
A.
preference
B.
Distributed data services
C.
Relational databases
D.
Distributed data objects
Which of the following statements is correct?
A.
preference follows the ACID characteristic
B.
Preference is to access data in the form of Key-Value
C.
The number of data stored in the preference is recommended not to exceed 10,000
D.
The key of the preference is of type String
Which of the following methods can remove a notification?
A.
cancel
B.
cancelAll
C.
removeAll
D.
removeSlot
What are the types of background agent reminder services?
A.
Countdown class
B.
Calendar class
C.
Alarm clock class
D.
Schedule
Which of the following statements is true about the use of the previewer?
A.
In the process of developing UI code, if you add or remove UI components, you only need to Ctrl+S to save them, and then the previewer will immediately refresh the preview result
B.
On the previewer interface, you can operate the interface interaction actions of the application/service in the previewer, such as clicking, jumping, swiping, etc., which is consistent with the interface interaction experience of the application/service running on the real device
C.
Component previews are implemented by adding annotations @Preview front of the component
D.
The page preview is achieved by adding annotations to the header of the ETS file @Entry the project
Which of the following are the animation control APIs provided by lottie?
A.
lottie.play()
B.
lottie.pause()
C.
lottie.stop()
D.
lottie.goToAndPlay()
What are the parts of the HarmonyOS cloud development project?
A.
end development project (Application)
B.
CloudProgram
C.
External Libraries on the side
D.
Public Resource Library (Resource)
What services will be automatically activated after a HarmonyOS Cloud development project is created?
A.
SCF
B.
Cloud Database
C.
Cloud storage
D.
Certification services
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