ACA-BigData1 by Alibaba Cloud Actual Free Exam Q&As

Question 1

If the DataWorks(MaxCompute) tables in your request belong to two owners. In this case, Data Guard(DataWorks component) automatically splits your request into two by table owner.
Score 1

A. False B. True

Discussion 0

Correct Answer: B Vote an answer

Question 2

MaxCompute Tunnel provides high concurrency data upload and download services. User can use the Tunnel service to upload or download the data to MaxCompute. Which of the following descriptions about Tunnel is NOT correct:
Score 2

A. MaxCompute Tunnel provides the Java programming interface for usersB. MaxCompute provides two data import and export methods: using Tunnel Operation on the console directly or using TUNNEL written with java B. If data fails to be uploaded, use the restore command to restore the upload from where it was interrupted C. Tunnel commands are mainly used to upload or download data.They provide the following functions:upload, download, resume, show, purge etc.

Discussion 0

Correct Answer: C Vote an answer

Question 3

By integrating live dashboards, DataV can present and monitor business data simultaneously. This data-driven approach enables for well-organized data mining and analysis allowing the user to seize new opportunities that otherwise might remain hidden. It can support wide range of databases and data formats. Which of the following options DataV does not support?

A. Static data in CSV and JSON formats B. MaxCompute Project C. Oracle Database D. Alibaba Cloud' s AnalyticDB, ApsaraDB

Discussion 0

Correct Answer: B Vote an answer

Question 4

DataService Studio in DataWorks aims to build a data service bus to help enterprises centrally manage private and public APIs. DataService Studio allows you to quickly create APIs based on data tables and register existing APIs with the DataService Studio platform for centralized management and release. Which of the following descriptions about DataService Studio in DataWorks is INCORRECT?
Score 2

A. Users can deploy any APIs created and registered in DataService Studio to API Gateway for management, such as API authorization and authentication, traffic control, and metering B. DataService Studio is connected to API Gateway. Users can deploy APIs to API Gateway with oneclick. C. DataService Studio adopts the serverless architecture. All you need to care is the query logic of APIs, instead of the infrastructure such as the running environment. D. To meet the personalized query requirements of advanced users, DataService Studio provides the custom Python script mode to allow you compile the API query by yourself. It also supports multi-table association, complex query conditions, and aggregate functions.

Discussion 0

Correct Answer: D Vote an answer

Question 5

Alibaba Cloud Quick BI reporting tools support a variety of data sources, facilitating users to analyze and present their data from different data sources. ______ is not supported as a data source yet.
Score 2

A. Local Excel files B. MaxCompute C. Results returned from the API D. MySQL RDS

Discussion 0

Correct Answer: C Vote an answer

Question 6

MaxCompute can coordinate multiple users to operate one project through ACL authorization. The objects that can be authorized by ACL include ______. (Number of correct answers: 3) Score 2

A. Procedure B. Project C. Resource D. Table

Discussion 0

Correct Answer: B,C,D Vote an answer

Question 7

Scenario: Jack is the administrator of project prj1. The project involves a large volume of sensitive data such as bank account, medical record, etc. Jack wants to properly protect the data. Which of the follow statements is necessary?

A. set ProjectACL=true; B. add accountprovider ram; C. use prj1; D. set ProjectProtection=true;

Discussion 0

Correct Answer: D Vote an answer

Question 8

Where is the meta data (e.g.,table schemas) in Hive?

A. Stored in ZooKeeper B. Stored along with the data in HDFS C. Stored in the RDBMS like MySQL D. Stored as metadata on the NameNode

Discussion 0

Correct Answer: C Vote an answer

Alibaba Cloud ACA Big Data Certification - ACA-BigData1 Exam Practice Test