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ACA Big Data Certification Exam
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Alibaba Cloud ACA-BigData1 Questions and Answers
In DataWorks table permission system, you can revoke permissions only on the fields whose security level is higher than the security level of your account.
Score 1
MaxCompute SQL is suitable for processing less real-time massive data, and employs a syntax similar
to that of SQL. The efficiency of data query can be improved through creating proper indexes in the
table.
Score 1
Alibaba Cloud E-MapReduce can be easily plugged with other
Alibaba Cloud services such as Log Service, ONS, MNS that act
as data ingestion channels from real-time data streams. Which
of the following descriptions about real-time processing are
correct? (Number of correct answers: 3)
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The Alibaba Cloud Certified Associate (ACA) Big Data certification validates your understanding of Alibaba Cloud’s big data ecosystem, data processing tools, and analytics solutions.
The certification is offered by Alibaba Cloud, the cloud computing division of Alibaba Group.
The official exam code is ACA-BigData1.
This certification is ideal for data engineers, cloud administrators, developers, and students interested in learning about Alibaba Cloud’s big data services such as MaxCompute, DataWorks, and Quick BI.
There are no strict prerequisites, but candidates should have a basic understanding of data processing, analytics, and cloud computing concepts.
The exam consists of multiple-choice and multiple-response questions, assessing theoretical and practical knowledge of big data services on Alibaba Cloud.
The exam typically includes 40 to 60 questions.
The total time allotted for the exam is 90 minutes.
To pass the exam, candidates usually need to score at least 65 out of 100.
The exam costs approximately USD 120. However, Alibaba Cloud occasionally offers discounts or vouchers through official training partners or promotions.
If you fail the exam, you can retake it after 14 days. There is no limit on the number of attempts, but each attempt requires a new exam fee.
The exam is available in English and Chinese.
The main topics include:
The certification is valid for 2 years from the date of passing the exam.
You must retake the ACA-BigData1 exam or upgrade to a higher-level certification like ACP (Alibaba Cloud Certified Professional) Big Data before your certification expires.
ACE Big Data Expert
ACP Big Data Professional
TESTED 13 Dec 2025
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