HarmonyOS Cloud Development Basic Certification---Exercise Question 1

1. [True or False] 0/2
   The evolution of application architecture has successively gone through stages such as microservice architecture, monolithic architecture, and Serverless architecture. False

2. [True or False Question] 2/2
   The authentication service cannot bind the QQ account after binding the WeChat account. False

3. [True or False] 2/2
   The account system you built yourself can be added to the authentication service. True

4. [True or False] 2/2
   Cloud function development can be done by editing the code online or uploading the .zip format code file. True

5. [True or False Question] 0/2
   For cloud function deployment, in the uploaded function package (ZIP), you only need to transfer a single code file, and the dependency will be downloaded by the cloud function. False

6. [True or False] 2/2
   Cloud functions can elastically scale functions according to the actual traffic of the function, and developers do not need to manage server resources. True

7. [True or False] 2/2
   Cloud Functions can prepare computing resources for you, run tasks flexibly and reliably, and provide log query, performance monitoring and alarm functions. . True

8. [True or False] 2/2
   Serverless solutions can provide the value of intelligent flexibility, lower costs, and simplified development. True

9. [True or False Question] 2/2
   In Cloud Function, listen to specified types of events on the event source, automatically call the function when the event occurs and submit the event data to the function for processing The component is called a trigger. True

10. [True or False] 0/2
    Cloud Functions is a Serverless computing service that can provide FaaS (Function as Service) capabilities by introducing a variety of middleware technologies. False

11. [True or False] 0/2
    In cloud database, Cloud DB zone (i.e. storage area) is a data storage area, and data between Cloud DB zones can be associated with each other. . False

12. [True or False] 2/2
    Before accessing and using Cloud DB SDK and services, developers must inform users of SDK related information in the privacy policy of the application in accordance with this requirement , and obtain the user's consent or obtain other legal basis Correct (True)

13. [True or False] 2/2
    Cloud DB provides a simple and easy-to-use multi-platform native SDK for your Android applications, iOS applications, Web applications, quick applications, quick games, Mini programs and mini games can directly access the cloud database through the SDK. At the same time, Cloud DB also supports direct management of cloud-side data through Server SDK to achieve efficient management of cloud-side data. True

14. [True or False] 0/2
    Cloud DB provides local data encryption function, and the end-side data encryption is set with Schema as the granularity. False

15. [True or False] 2/2
    When upgrading the application version, you can export the corresponding version file on the AppGallery Connect console and add it to the local development environment. And by calling createObjectType() in the AGConnectCloudDB class, the new object type is created, and openCloudDBZone2() is called to open the specified Cloud DB zone to complete the object type version upgrade. True

16. [True or False] 2/2
    Among the capabilities provided by cloud database, executeUpsert() is used to write one or a group of objects to the current Cloud DB zone. When writing an object, if an object with the same primary key already exists in the Cloud DB zone, the existing object is updated. True

17. [True or False] 2/2
    The default security policy of cloud storage only allows authenticated users to perform all read and write operations. Correct (True)

18. [True or False] 0/2
    Cloud storage client SDK can realize cross-domain configuration Error (False)

19. [True or False] 2/2
    After cloud-side services are deployed to Serverless, manual operation and maintenance is required, such as purchasing servers, configuring firewalls, etc. Error (False)

20. [True or False] 2/2
    DevEco’s cloud development capabilities and original end development capabilities are deeply integrated Correct (True)

21. [Single-choice question] 2/2
    Which of the following services is the basic service on which data access control in cloud databases and cloud storage depends? C. Authentication Services

22. [Single choice question] 0/2
    Which of the following authentication methods is suitable for one-click login B. Mobile phone number authentication

23. [Single choice question] 0/2
    Which of the following functions is provided by Server SDK C. Verify user credentials

24. [Single choice question] 2/2
    The following is the cloud function application scenario () D. All of the above

25. [Single-choice question] 2/2
    Which of the following options is not a pain point in traditional web application construction () C. Strong reliance on third-party services, unable to customize and personalize for users

26. [Single choice question] 2/2
    What is the format of the function package A. zip package

27. [Single choice question] 0/2
    Regarding the $latest version of cloud function development, which of the following statements is wrong: ( ) C. Click the publish new version button to publish the version, The version number starts from 0 and increases.

28. [Single choice question] 2/2
    How does cloud function solve the problem of resource usage: D. Charge in stages according to function size and usage time

29. [Single choice question] 2/2
    Which of the following items is not an advantage of the Serverless solution: C. Manual elastic scaling

30. [Single-choice question] 0/2
    After creating a new function, the function version is $latest. After publishing 2 versions continuously, a new one will be released. version, the version number at this time is D. 3

31. [Single-choice question] 2/2
    Cloud Database has customized operation and maintenance visual reports for you. Currently, you can view the daily activity and activity of the Apps in the project on the ( ) interface. Monthly activity and other view information. B. Cloud Monitoring

32. [Single choice question] 0/2
    When the size of the backup file is greater than () MB or the number of data records it contains is greater than (), it will be divided into multiple by the system document. B. 20 1000

33. [Single choice question] 0/2
    In the Android SDK, when the setEncryptedKey method sets and modifies the secret key for cloud DB zone data encryption and storage on the end side, the value of the secret key length How much can it be? C. 1~128 characters

34. [Single choice question] 2/2
    The following description of Cloud DB is incorrect: B. The Cloud DB world role has upsert permissions, and the authenticated user role does not have upsert permissions. After authentication, data can be inserted and synchronized to Cloud DB

35. [Single choice question] 0/2
    Which of the following is not a typical application scenario of Cloud DB (). C. Data is synchronized on multiple terminals in real time

36. [Single choice question] 0/2
    As part of the AppGallery Connect solution, Cloud DB has built () capabilities for the AppGallery Connect platform. This allows application developers to focus on the business of the application itself, greatly improving developer productivity. A. MBaaS (Mobile Backend as a Service)

37. [Single choice question] 2/2
    The resource object in the cloud storage security rules, the attribute indicating the name of the resource file is B. name

38. [Single choice question] 0/2
    The length limit of the storage instance name does not exceed the number of characters D. 60

39. [Single choice question] 2/2
    The following statement about device-cloud integration is correct: C. The directory structure of the device-cloud integration project not only includes client-side code, Also includes cloud-side code

40. [Single-choice question] 2/2
    Which of the following statements is incorrect: B. It is recommended to use Java to develop cloud-side code

41. [Multiple choice question] 0/2
    What are the advantages of Huawei Serverless?
    A. Zero operation and maintenance cost
    B. Zero resource waste
    D. Safe and reliable
    E. Go online faster
    F. In-depth support for application construction

42. 【Multiple choice question】 2/2
    Which of the following are the charges for authentication services (AC) A. Send verification code C. One-click login

43. [Multiple choice questions] 2/2
    The pain points of traditional web application construction are:
    A. High development difficulty and long version cycle a>
    B. Operation and maintenance work is highly professional
    C. Resource usage cost is high

44. [Multiple choice questions] 0/2
    A Ming is a developer at xxx company. He now wants to deploy a business function in Cloud Functions. Which of the following behaviors are correct:
    B. Write the business function according to the function deployment package structure required by Cloud Functions, package it and upload it to the Cloud Functions platform. Define the main entrance of the program and fill it in on the Cloud Functions platform.
    D. After Amin creates the function and debugs it, he hopes to have a fixed release version for production use. He can release a new version on the version page.
    E. Amin found that the previously released version has functions that need to be upgraded. He can directly edit the released function version on the Cloud Functions platform.

45. [Multiple choice question] 0/2
    Which of the following are Cloud Functions application scenarios () A. Service extension D. ETL

46. [Multiple choice question] 0/2
    What are the runtimes currently supported by cloud functions: A. JavaB. PythonD. nodejs

47. [Multiple choice question] 0/2
    The following description of Cloud DB is correct:
    C. Cloud DB supports sensitive data protection, If the data involves personal privacy, the developer can set the data as an encrypted field, and the client needs to set a user password before operating the data
    D. Cloud DB persistence mode queries data on the cloud side Data will not be cached locally

48. [Multiple choice question] 2/2
    Regarding the Cloud DB service, which of the following statements is correct ()
    A. Data synchronization of Cloud DB Modes include cache mode and local mode. Applications can use only cache mode or local mode, or they can use cache mode and local mode at the same time.
    B. Cache mode can realize end-cloud collaborative management of data and realize data synchronization between end-cloud and multiple terminals.
    C. In cache mode, client-side data is a subset of cloud-side data.
    D. In local mode, users can only operate the local data contained on the device side, and data cannot be synchronized between the device, cloud, and multiple devices.

49. [Multiple choice question] 2/2
    What are the data processing locations currently supported by cloud storage?
    A. China
    B. Singapore
    C. Germany
    D. Russia a>

50. [Multiple choice question] 0/2
    Which of the following steps are required to log in and associate cloud development resources
    A. Log in to a Huawei account
    B. Select the team to which you belong
    C. Associate AGC project information