ACA Big Data Certification Exam (ACA-BigData1) Free Practice Test

Question 1

Project is an important concept in MaxCompute. A user can create multiple projects, and each object belongs to a certain project.
Score 1

A. False

B. True

Correct Answer: B

Question 2

In MaxCompute, you can use Tunnel command line for data upload and download. Which of the following description of Tunnel command is NOT correct:
Score 2

A. Purge: Clears the table directory. By default, use this command to clear information of the last three days.

B. Resume: If an error occurs due to the network or the Tunnel service, you can resume transmission of the file or directory after interruption.

C. Download: You can only download data to a single file. Only data in one table or partition can be downloaded to one file each time. For partitioned tables, the source partition must be specified.

D. Upload: Supports file or directory (level-one) uploading. Data can only be uploaded to a single table or table partition each time.

Correct Answer: C

Question 3

The FTP data source in DataWorks allows you to read/write data to FTP, and supports configuring synchronization tasks in wizard and script mode.
Score 1

A. False

B. True

Correct Answer: B

Question 4

A start-up company wants to use Alibaba Cloud MaxCompute to provide product recommendation services for its users. However, the company does not have much users at the initial stage, while the charge for MaxCompute is higher than that of ApsaraDB RDS, so the company should be recommended to use MaxCompute service until the number of its users increases to a certain size.
Score 1

A. False

B. True

Correct Answer: B

Question 5

DataWorks can be used to create all types of tasks and configure scheduling cycles as needed. The supported granularity levels of scheduling cycles include days, weeks, months, hours, minutes and seconds.
Score 1

A. False

B. True

Correct Answer: A

Question 6

Which node type in DataWorks can edit the Python code to operate data in MaxCompute?
Score 2

A. SHELL node

B. ODPS MR Node

C. PyODPS

D. ODPS Script Node

Correct Answer: C

Question 7

There are multiple connection clients for MaxCompute, which of the following is the easiest way to configure workflow and scheduling for MaxCompute tasks?
Score 2

A. Use DataWorks

B. Use MaxCompute Console

C. Use Intelij IDEA

D. No supported tool yetc

Correct Answer: A

Question 8

Alibaba Cloud Elastic MapReduce (E-MapReduce) is a big data processing solution to quickly process huge amounts of data. Based on open source Apache Hadoop and Apache Spark, E-MapReduce flexibly manages your big data use cases such as trend analysis, data warehousing, and analysis of continuously streaming data.
Score 1

A. False

B. True

Correct Answer: B

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Alibaba Cloud ACA Big Data Certification (ACA-BigData1) Free Practice Test