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Exam Code:	H14-231_V1.0
Exam Name:	HCIP-HarmonyOS Application Developer V1.0
Certification Provider:	Huawei
Free Question Number:	288
Version:	v2024-06-17
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# of Questions views:	13923
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Exam Question List: Question 1: Which of the following development languages can a developer...; Question 2: A developer creates MyAbility with FooAbilitySlice and BarAb...; Question 3: Suppose that multiple AbilitySlice are associated in MainAbi...; Question 4: In the following scenarios, which ones use the voice broadca...; Question 5: What kind of custom component can be used as a page entry co...; Question 6: After the release of the open beta version, how do the invit...; Question 7: When a developer is developing a HarmonyOSapplication, if he...; Question 8: Which of the following is part of the basic software service...; Question 9: Which of the following is an event method that can obtain th...; Question 10: What are the types of background agent reminder services?...; Question 11: A developer called the getDefaultHost(Context context) inter...; Question 12: When a developer starts a music player on a remote device, h...; Question 13: A developer wants to use macOS for HarmonyOS application dev...; Question 14: What are the following types of task dispensers that Harmony...; Question 15: When a developer is developing a flight booking application,...; Question 16: API9 and above, router.pushUrl() method mode parameter can b...; Question 17: In HarmonyOS, which of the following scenarios is the applic...; Question 18: Both the provider and user of DataAbility use a URI (UnifomR...; Question 19: HarmonyOS Distributed File Service can automatically share f...; Question 20: When publishing an application, I need to create a certifica...; Question 21: The Service Ability created by a developer does not have a u...; Question 22: When an engineer needs to add the function of recording vide...; Question 23: Whichof the following subsystems in Harmony OS can achieve d...; Question 24: A developer wants to use the list component of the JavaScrip...; Question 25: In HarmonyOS's "1+8+N" strategy, mobile phones belong to one...; Question 26: A developer defines an entity class Student.java and use the...; Question 27: When a developer clicks the exit button of an application to...; Question 28: If a developer needs to use the JavaScript UI framework to d...; Question 29: When a data engineer constructs a data table, which of the f...; Question 30: A manufacturer uses the HarmonyOS system to produce a smart ...; Question 31: HarmonyOS maintains a stack of AbilitySlice instances for ea...; Question 32: Regarding the container components Row and Column, the follo...; Question 33: API9 and above, router.pushUrl() method, what is the default...; Question 34: What problems do developers need to think about each basic e...; Question 35: What are the features of Huawei DevEco Studio, which is a mu...; Question 36: Which of the following is the background agent reminder func...; Question 37: With the help of the AI-enabled capabilities of HarmonyOS, i...; Question 38: A HarmonyOS developer uses syncDispatch to synchronously dis...; Question 39: With regard to the characteristics of @State state data, the...; Question 40: A developer tries to update the text of Text directly in a n...; Question 41: How to realize distributed communication betweentwo existing...; Question 42: In a HarmonyOS application, there must be one and only one H...; Question 43: A HarmonyOS developer uses the EventHandler mechanism to han...; Question 44: Which of the following belongs to the application layer in t...; Question 45: When a developer migrates pictures on his mobile phone to a ...; Question 46: If a developer uses the DevEco Studio tool for application d...; Question 47: Which description of the HarmonyOS clipboard can be correctl...; Question 48: Thedefault size of shared memory in Harmony OS is ?...; Question 49: Which of the following methods can remove a notification?...; Question 50: Which of the following types of NFC tags are supported by Ha...; Question 51: When a developer wants to make the vertical scrolling layout...; Question 52: In order to avoid affecting the startup speed, developers ne...; Question 53: HarmonyOS provides two mechanisms for calling JavaPA (Partic...; Question 54: A developer needs to use the current data network for socket...; Question 55: Which of the following interfaces can repeatedly call a func...; Question 56: If a HarmonyOS application developer writes the following co...; Question 57: A developer found that the app could not usethe network mana...; Question 58: The main function of EventHandler is to deliver InnerEvent e...; Question 59: When a developer uses HarmonyOS Device Manager, he wrote the...; Question 60: The declarative development paradigm based on TS extensions ...; Question 61: Which of the following information is contained in moduleJSO...; Question 62: . When developing a HarmonyOS application, use a component T...; Question 63: If a developer wants to obtain the location information of a...; Question 64: A developer is developing a flight booking application, and ...; Question 65: In HarmonyOS, by default, the UI interface is displayed and ...; Question 66: When a developer develops a social application, he needs to ...; Question 67: Which of the following operations can be performed through t...; Question 68: When using the location capability of HarmonyOS, developers ...; Question 69: There is an application A that occupies a large amount of me...; Question 70: When a developer calls Particle Ability (PA) with FA (Featur...; Question 71: Which of the following does not belong to the system service...; Question 72: In order to help users find data in the app through the glob...; Question 73: Which of the following products belongs to the security prod...; Question 74: Which of the following functions is a lifecycle function for...; Question 75: The streaming capability of HarmonyOS breaks the boundaries ...; Question 76: What are the life cycle states of UIAbility?...; Question 77: When using EventHandler to implement inter-thread communicat...; Question 78: When a user is on a video call,Want to migrate the mobile ph...; Question 79: If a developer develops a HarmonyOS application and remotely...; Question 80: Which of the following can set the rounded corner effect of ...; Question 81: When using EventHandler to implement inter-thread communicat...; Question 82: Which of the following security mechanisms can ensure that a...; Question 83: In the JS (JavaScript) UI framework, which layer is connecte...; Question 84: A developer needs to use the emulator in DevEco Studio, clic...; Question 85: The JS UI framework of HarmonyOSis a cross-device high-perfo...; Question 86: Which of the following modules does a developer need to call...; Question 87: When developing an application, a developer uses the WLAN P2...; Question 88: If a developer wants to stop the service in a Service, which...; Question 89: Which of the following is NOT part of the software exposure ...; Question 90: In a HarmonyOS application, which of thefollowing and the Co...; Question 91: Which of the following options is allthe components ofthe Ha...; Question 92: The main axis of the Row container is horizontal, and the cr...; Question 93: In HarmonyOS, Intents are the carriers for transferring info...; Question 94: A developer defines an entity class Student.java and uses th...; Question 95: In order to control the access of a specific interface to th...; Question 96: When developing a HarmonyOS application, a developer receive...; Question 97: When the engineer is developing JS (JavaScript), the applica...; Question 98: An application needs to obtain the Wi-Fi connection status o...; Question 99: An engineer wrote the following code, which items are correc...; Question 100: The following code snippet is used to start the Service of t...; Question 101: The software engineer will encode the data, which can take t...; Question 102: The maximum length limit of the preference key is ( ) bytes...; Question 103: Which of the following features of the HarmonyOS distributed...; Question 104: A developer calls the getDefauitHOST(Context context) interf...; Question 105: If a developer wants to develop a file background download f...; Question 106: A developer has developed a news browsing application, and t...; Question 107: What are the following development languages that a develope...; Question 108: AbilitySlice and Page have the same lifecycle state and call...; Question 109: The HarmonyOS Media Management module provides capabilities ...; Question 110: With the help of HarmonyOS's Al capability, it can detect an...; Question 111: What functions does HarmonyOS provide in app data management...; Question 112: When is the aboutToAppear() of the custom component executed...; Question 113: Which of the following atomic layout capabilities does not b...; Question 114: DevEco studio provides remote simulator developers to run an...; Question 115: In the lifecycle of AbilitySlice, the onStart() callback met...; Question 116: When the developer jumps to a new page through the button bu...; Question 117: If a developer wants to develop a file background download f...; Question 118: In the Javascript UI framework, to realize the jump between ...; Question 119: ArkTS Stage model supports API Version 9, is it correct abou...; Question 120: In order to improve the user experience, a developer uses Sc...; Question 121: Which of the following situations will not call back the onF...; Question 122: A developer designed an application, when the user receives ...; Question 123: Sampling refers to the process of sampling a digital signal ...; Question 124: When a time-consuming operation needs to be performed in a H...; Question 125: What operations are supported by SCF in device-cloud integra...; Question 126: Regarding the boot mode of UIAbility, the following statemen...; Question 127: The data generated by a developer's use of Data Ability can ...; Question 128: A developer is developing a ticket booking application, in t...; Question 129: If a developer wants to quote the resource files in the base...; Question 130: Which of the following items is an asynchronous task dispatc...; Question 131: In HarmonyOS, which of the following scenarios is the applic...; Question 132: If an engineer needs to determine whether a device supports ...; Question 133: When using Bluetooth Low Energy in HarmonyOS, the peripheral...; Question 134: Regarding the service cards of HarmonyOS applications, the f...; Question 135: When a developer uses the JS (JavaScript) UI framework to de...; Question 136: The callback mechanism provided by the Ability class can ena...; Question 137: When a developer develops a JavaScript application on the sm...; Question 138: HarmonyOS's AI capability provides the function of generatin...; Question 139: When using EventHandler to implement inter-thread communicat...; Question 140: The ListContainer grid layout can be realized through the se...; Question 141: A developer uses HarmonyOS to write half of an email on his ...; Question 142: When a developer installs HAP (HarmonyOSAbility Package), wh...; Question 143: Which of the following descriptions of the HarmonyOSclipboar...; Question 144: When a developer is developing a JavaSriptUI page of a shopp...; Question 145: HarmonyOS provides developers with a HiLog logging system, w...; Question 146: What are the data management methods provided by HarmonyOS?...; Question 147: HarmonyOS maintains a stack of AbilitySlice instances for ea...; Question 148: If a third-party application has registered the callback of ...; Question 149: In the declarative development paradigm, which of the follow...; Question 150: JavaScriptUl does not support async and await syntax....; Question 151: On the basis of the supported input events, the multi-mode i...; Question 152: Sservice Abilit calls the onCommand() method after the creat...; Question 153: The user clicks on the song from the music list page to jump...; Question 154: If a developer wants to develop a Data Ability for the stora...; Question 155: When a developer specifies a music playback service through ...; Question 156: Regarding the Tabs component and the TabContent component, t...; Question 157: Which of the following fields is not within the scope of per...; Question 158: HarmonyOS supports on-demand elastic deployment of a variety...; Question 159: In order to cope with complex application business logic, a ...; Question 160: When the system destroys a page, which of the following call...; Question 161: Which field needs to be configured in the module.json5 file ...; Question 162: When a developer is developing a HarmonyOS application, if p...; Question 163: Developers will use the UI framework provided by Harmony OS ...; Question 164: Before starting the debugging of the Entry module, the engin...; Question 165: PositionLayout is an adaptive layout, which is mainly used i...; Question 166: HarmonyOS provides the NFC message notification function, th...; Question 167: When a developer develops a background music playback softwa...; Question 168: Ability and InternalAbility are two different ways to call P...; Question 169: HarmonyOSdefines different open scopes and authorization met...; Question 170: If a developer wants to implement the page swiping function ...; Question 171: A developer needs to use the emulator in DevEco Studio, clic...; Question 172: In HarmonyOS, both relational databases and object-relationa...; Question 173: What are the common problems in uploading software packages ...; Question 174: When a developer compiles a project, the compilation fails, ...; Question 175: HarmonyOS provides developers with data management functions...; Question 176: In HarmonyOS, when switching between pages, if you use Abili...; Question 177: After the user migrates the navigation of the mobile phone t...; Question 178: HarmonyOS is a distributed operating system that can be depl...; Question 179: When a developer specifies a music playback service through ...; Question 180: When a developer uses the Text component for development, du...; Question 181: What are the following scenarios that belong to the public e...; Question 182: The engineer fails to access the network through the get req...; Question 183: What is the process of cross-terminal migration from an appl...; Question 184: Which package is imported using the preferences?...; Question 185: The library file is the third-party code that the applicatio...; Question 186: The meta-service package consists of one or more HAP package...; Question 187: If there are 3 Ability sharing a Service instance, how can I...; Question 188: Whichof the following does not belong to the application fra...; Question 189: What attributes are supported by attribute animations?...; Question 190: A user migrates video from a mobile phone to a smart screen ...; Question 191: What are the following options that belong to the JavaScript...; Question 192: Which of the following layers does the JavaSeript framework ...; Question 193: Static animation has a start state, an end state and an inte...; Question 194: When a developer needs to create a Service Ability when deve...; Question 195: A HarmonyOS developer uses the EventHandler mechanism to pro...; Question 196: When a developerdevelops an application based on Harmony OS,...; Question 197: What are the parts of the HarmonyOS cloud development projec...; Question 198: Which of the following modules provides a full-duplex commun...; Question 199: Lightweight data storage is suitable for data storage involv...; Question 200: In the process of coding, software development engineers nee...; Question 201: If a developer wants to use the clipboard service of Harmony...; Question 202: When a developer is developing a smart home application, the...; Question 203: Frame rate is the frequency (rate) at which a bitmap image a...; Question 204: Huawei's latest mobile phonesHarmonyOS system is pre-install...; Question 205: Which of the following subsystems is not part of the basic s...; Question 206: When developing HarmonyOS applications, the main function of...; Question 207: The application package name cannot contain some reserved fi...; Question 208: Which modules in the following figure can be installed and o...; Question 209: The network management module of HarmonyOS can realize the c...; Question 210: An engineer wrote the following code, which items are correc...; Question 211: If a developer wants to develop an application on a smart sc...; Question 212: When the user clicks on a song from the music list page and ...; Question 213: In HarmonyOS, there are some applications that can call out ...; Question 214: How do I define the permissionscorrectly when a developer ne...; Question 215: If a developer needs to solve problems such as insufficient ...; Question 216: Motion sensors may be a single physical sensor, or they may ...; Question 217: Which of the following is all the components of the HAP pack...; Question 218: How do I define the permissionscorrectly when a developer ne...; Question 219: HarmonyOS's relational database and object relational mappin...; Question 220: A developer needs to use the current scattered data network ...; Question 221: When a developer uses HarmoyOS system security, which of the...; Question 222: What are the componentization characteristics of custom comp...; Question 223: It is necessary to apply for the permission of certain opera...; Question 224: For example, if you want to implement an advertising pop-up ...; Question 225: The distributed soft bus is the base for communication betwe...; Question 226: Cross-terminal migration is a technical solution to realize ...; Question 227: The lightweight preference database is a non-relational data...; Question 228: The input division method of HarmonyOS is different from tha...; Question 229: If a developer uses the startAbility() method provided in Ab...; Question 230: An engineer uses a local simulator for application debugging...; Question 231: If a developer needs to use the JavaScript UI framework to d...; Question 232: Which field must the meta service package name end in?...; Question 233: Which of the following are the lifecycle callback functions ...; Question 234: A HarmonyOS application developer creates two pages, indlex ...; Question 235: When a developer uses Page Ability to open a ServiceAbility,...; Question 236: A user uses the HarmonyOS distributed task scheduling capabi...; Question 237: When a developer develops an application based on HarmonyOS,...; Question 238: Browse articles in the reading app on your phone, migrate to...; Question 239: Knowing the variable int a=123, which of the following codes...; Question 240: A developer uses a task distributor to dispatch tasks 1, 2, ...; Question 241: When a developer sets a background for a Text component, whi...; Question 242: What is correct about Web Component Description A?...; Question 243: What are the following aspects of resource utilization analy...; Question 244: If a developer sets a distributed tag Intent.FLAG_ABILITTSLI...; Question 245: A developer needs to use the JavaScript UI framework to disp...; Question 246: Which of the following breakpoint management functions does ...; Question 247: If a developer wants to develop a local background music pla...; Question 248: In the HarmonyOS system architecture, which of the following...; Question 249: Which of the following belongs to the lifecycle of starting ...; Question 250: In distributed task scheduling, if a developer needs to coor...; Question 251: A user migrates video playback from his mobile phone to a sm...; Question 252: When a company is developing a HarmonyOSapplication, it need...; Question 253: If a developer wants to use the notification function of Har...; Question 254: The callback mechanism provided by the Ability class can all...; Question 255: When installing the HarmonyOS application development enviro...; Question 256: In the JavaScript FA development self-record, the file endin...; Question 257: A developer is developing an alarm clock application, which ...; Question 258: What files does an engineer need to use when he wants to deb...; Question 259: A developer uses the HarmonyOS Bluetooth Low Energy function...; Question 260: After a developer sets :ohos:layout_ alignment="horizontal _...; Question 261: When a developer develops a HarmomyOSapplication, if a Text ...; Question 262: HarmonyOS's distributed soft bus enables distributed managem...; Question 263: If a developer needs to use asyncDispatchBarrier to set up a...; Question 264: When using HarmonyOS in distributed terminal scenarios, whic...; Question 265: Which of the following items belongs to the kernel layer in ...; Question 266: If the HarmonyOS user displays the navigation information on...; Question 267: When the page loses focus, which of the following callback m...; Question 268: Although a Page can contain multiple AbilitySlices, when a P...; Question 269: HarmonyOS is designed for 1+8+N full-scene experience, which...; Question 270: If a developer uses custom components when developing a Harm...; Question 271: When a HarmonyOS developer makes an FA call to PA, the callA...; Question 272: In the HarmonyOSsystem architecture, which of the following ...; Question 273: What is the correct position setting for the Tabs tab descri...; Question 274: When designing an application, the program needs to include ...; Question 275: The key generated by the developer contains the public key a...; Question 276: An application can have one or two HAP (HarmonyOS Abi1itPack...; Question 277: What features can developers use to implement collaborative ...; Question 278: If a developer uses the startAbility() method provided in Ab...; Question 279: Which of the following system resources does the Ark Develop...; Question 280: Which of the following functions can be achieved through the...; Question 281: HarmonyOSsupports developers to customize permissions in the...; Question 282: What are the boot modes of UIAbility?...; Question 283: Which of the following service management mechanisms does Ha...; Question 284: A developer needs to use the current scattered data network ...; Question 285: If a developer uses the Text component to develop a UI inter...; Question 286: A HarmonyOS developer created two serial task distributors, ...; Question 287: In the Page Ability lifecycle of HarmonyOS, when the system ...; Question 288: When developing a HarmonyOS application, a developer receive...

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