Alibaba - ACA Big Data Certification Exam Answers

Designed for engineers proficient in using Alibaba Cloud Big Data solutions. It encompasses fundamental theories of distributed systems and key products of Alibaba Cloud such as MaxCompute, DataWorks, E-MapReduce, and ecosystem tools.

ACA Big Data Certification | Alibaba

Alibaba Cloud’s Big Data Certification Associate is designed for engineers proficient in using Alibaba Cloud Big Data solutions. It encompasses fundamental theories of distributed systems and key products of Alibaba Cloud such as MaxCompute, DataWorks, E-MapReduce, and ecosystem tools. Suggested for engineers utilizing Alibaba Cloud Big Data solutions.

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Always refer to the official Alibaba Documentaion for the most accurate and up-to-date information.

Single answer

1. When creating a data warehouse, which of these data storage practices is NOT a good idea?

A. Encrypt data whenever possible.

B. Keep duplicate copies of data in different tables, to protect against accidental overwriting or modification.

C. Employ data desensitization to mask or remove sensitive data whenever possible.

D. Compress data to save on storage costs whenever possible.

Single answer

Single answer

2. Which of these CANNOT be used as a "compute engine" in DataWorks?

A. MaxCompute

B. AnalyticDB

C. E-MapReduce

D. Function Compute

Single answer

3. The recommended tool for creating and managing MaxCompute projects is ________________.

A. IntelliJ IDEA

B. DataWorks

C. odpscmd (MaxCompute CLI)

D. aliyun (Alibaba Cloud CLI)

Single answer

4. In DataWorks, the Data Quality tool can _________________.

A. Provide you with high quality sample data for testing your DataWorks workflows

B. Run automated quality checks when DataWorks workflows are executed

C. Pre-check DataWorks workflows for coding errors

D. Prevent you from publishing DataService Data APIs if your data quality is too low

Single answer

5. In DataWorks, workflow tasks can be scheduled as one-off events or as periodic (recurring) events. Different cycle times are supported. The minimum (shortest) cycle time is ________.

A. 5 minutes

B. 1 minute

C. 10 minutes

D. 30 minutes

Single answer

6. _______ instances in Alibaba Cloud E-MapReduce are compute-only nodes that can be used to scale EMR clusters in and out on-demand.

A. Task

B. Gateway

C. Master

D. Core

Single answer

7. Which of these tools is used to import and export data in DataWorks?

A. DataWorks Data Integration

B. DataWorks DataMap

C. DataWorks Data Service

D. DataWorks DataStudio

E. DataWorks DataService Studio

Single answer

8. When using DataWorks, Alibaba Cloud recommends users access the DataWorks console using the ___________ web browser.

A. Internet Explorer

B. Safari

C. Firefox

D. Google Chrome

Single answer

9. DataWorks DataService Studio lets you create and deploy data-based RESTful APIs. Which of these descriptions of DataService Studio is NOT correct?

A. DataService Studio is connected to API Gateway. Using DataService Studio, users can deploy APIs to API Gateway with one-click. 

B. DataService Studio is serverless: you simply configure the request and response parameters for your API, and DataService Studio handles deployment for you.

C. DataService Studio allows users to create completely customized APIs by writing their own Python code, overriding the DataService Studio API.

D. After deploying an API with DataService Studio, you can control authentication and other API configurations from the API Gateway console.

Single answer

10. Alibaba Cloud DataV allows you to create data dashboards that update in real-time, integrating data from a variety of different data sources. Which of these data sources is NOT (directly) supported by DataV?

A. ApsaraDB for RDS

B. Oracle

C. Alibaba Cloud AnalyticDB

D. MaxCompute

Single answer

11. Platform For AI (PAI) ___________ is designed for users who already have experience writing their own code, and want to use open source machine learning tools like TensorFlow or MXNet.

A. DSW (Data Science Workshop)

B. PAI Studio

C. Alibaba Cloud AIACC

D. PAI EAS (Elastic Algorithm Service)

Single answer

12. Which of these services allows you to deploy your completed machine learning models as RESTful APIs you can integrate into other services?

A. PAI DSW (Data Science Workshop)

B. PAI Studio

C. Alibaba Cloud AIACC

D. PAI EAS (Elastic Algorithm Service)

Single answer

13. Which billing modes does Machine Learning Platform for AI (PAI) support?

A. Pay-As-You-Go and Subscription

B. Subscription

C. Pay-As-You-Go

D. Fixed mode (Based on Elastic Compute Service (ECS) pricing)

Single answer

14. You want to train a machine learning model using data located in MaxCompute tables. Which of these Alibaba Cloud is best suited to this task?

A. Platform for AI (PAI)

B. Alibaba Cloud Function Compute

C. Alibaba Cloud API Gateway

D. DataWorks DataStudio

Single answer

15. Alibaba Cloud’s Quick BI visualization and data analysis tool supports a variety of data sources, allowing users to analyze and present data from multiple different data sources. However, ______ is NOT currently supported as a data source for Quick BI.

A. HTTP APIs

B. MaxCompute

C. Local CSV files

D. ApsaraDB for RDS (MySQL)

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