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ACA-BigData1 Exam Dumps

ACA-BigData1 Exam Dumps

ACA Big Data Certification Exam

Vendor: Alibaba

Exam Name: ACA Big Data Certification Exam

Questions with Answers: 78

Last Updated: May 26, 2025

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Alibaba ACA-BigData1 Exam Questions

ACA Big Data Certification Exam exams.

Question
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?
Choose the Choices:


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


Question
MaxCompute tasks contain computational tasks and non - computational tasks. The computational tasks require actual operations on data stored in the table. MaxCompute parses the task to obtain its execution plan, and submits the task for execution. The noncomputational tasks require substantial reading of and modification to metadata information. Therefore, the task is not parsed, and no execution plan is provided. The task is directly submitted for execution. The latter one has a faster response speed than the former one. Which of the following operations on the table t_test is a computational task?
Choose the Choices:


Question
When we use the MaxCompute tunnel command to upload the log.txt file to the t_log table, the t_log is a partition table and the partitioning column is (p1 string, p2 string). Which of the following commands is correct?
Choose the Choices:


Question
A Log table named log in MaxCompute is a partition table, and the partition key is dt. Anew partition is created daily to store the new data of that day. Now we have one month's data, starting from dt='20180101' to dt='20180131', and we may use ________ to delete the data on 20180101.
Choose the Choices:


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