Alibaba ACA-BigData1 practice materials Questions Answers

Exam Code:
ACA-BigData1
Exam Name:
ACA Big Data Certification Exam
Last Update:
Jun 01,2026

78 Questions Answers Verified by Experts!


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Alibaba ACA-BigData1 Questions for Alibaba Cloud Certified Associate Certification Exam 2026

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Total Questions: 78

Questions & Answers PDF

• Question 1

  

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

  • True
  • False

  Reveal Answer Answer: 1 Next Question

• Question 2

  

  Your company stores user profile records in an OLTP databases. You want to join these records withweb server logs you have already ingested into the Hadoop file system. What is the best way to obtainand ingest these user records?Score 2

  • Ingest with Hadoop streaming
  • Ingest using Hive
  • Ingest with sqoop import
  • Ingest with Pig's LOAD command

  Reveal Answer Answer: 3 Next Question

• Question 3

  

  One Alibaba Cloud account is entitled to join only one organization that uses DataWorks.

  • True
  • False

  Reveal Answer Answer: 1 Next Question

• Question 4

  

  In order to improve the processing efficiency when using MaxCompute, you can specify the partition when creating a table. That is, several fields in the table are specified as partition columns. Which of the following descriptions aboutMaxCompute partition table are correct? (Number of correct answers: 4)

  • In most cases, user can consider the partition to be the directory under the file system
  • User can specify multiple partitions, that is, multiple fields of the table are considered as the partitions of the table, and the relationship among partitions is similar to that of multiple directories
  • If the partition columns to be accessed are specified when using data, then only corresponding partitions are read and full table scan is avoided, which can improve the processing efficiency and save costs
  • MaxCompute partition only supports string type and the conversion of any other types is not allowed
  • The partition value cannot have a double byte characters (such as Chines.

  Reveal Answer Answer: 1, 2, 3, 5 Next Question

• Question 5

  

  Function Studio is a web project coding and development tool independently developed by theAlibaba Group for function development scenarios. It is an important component of DataWorks.Function Studio supports several programming languages and platform-based function developmentscenarios except for ______ .Score 2

  • Real-time computing
  • Python
  • Java
  • Scala

  Reveal Answer Answer: 4 Next Question

• Question 6

  

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

  • Use DataWorks
  • Use Intelij IDEA
  • Use MaxCompute Console
  • No supported tool yetc

  Reveal Answer Answer: 1 Next Question

• Question 7

  

  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?

  • desc t_test
  • alter table t_test add columns (comments string);
  • select count(*) from t_test;
  • truncate table t_test;

  Reveal Answer Answer: 3 Next Question

• Question 8

  

  A company originally handled the local data services through the Java programs. The local data havebeen migrated to MaxCompute on the cloud, now the data can be accessed through modifying the Javacode and using the Java APIs provided by MaxCompute.Score 1

  • True
  • False

  Reveal Answer Answer: 1 Next Question

• Question 9

  

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

  • True
  • False

  Reveal Answer Answer: 1 Next Question

• Question 10

  

  DataV is a powerful yet accessible data visualization tool, which features geographic information systems allowing for rapid interpretation of data to understand relationships, patterns, and trends. When a DataV screen is ready, it can embed works to the existing portal of the enterprise through ______.

  • URL after the release
  • URL in the preview
  • MD5 code obtained after the release
  • Jar package imported after the release

  Reveal Answer Answer: 1 Next Question

Page: 1 / 16
Total Questions: 78

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