The ACA Database Certification validates your ability to design, deploy, and manage database solutions on Alibaba Cloud. The ACA Database Exam tests both theoretical knowledge and practical decision-making across modern database architectures. This page guides you through the exam syllabus, question formats, and a structured study plan to help you prepare efficiently and confidently.
Use this topic map to guide your study for Alibaba ACA-Database (ACA Database Exam) within the ACA Database Certification path.
The ACA Database Exam combines multiple-choice items with scenario-based questions to assess both foundational knowledge and real-world problem-solving ability.
Questions progress in difficulty and emphasize practical application over memorization, reflecting how database decisions are made in production environments.
An effective study routine maps each topic to dedicated time blocks, allowing you to build depth progressively. Focus on understanding the "why" behind each concept and how topics connect across deployment, monitoring, and optimization workflows.
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Relational Database, NoSQL, and Database Common Solution typically account for the largest portion of exam questions. However, all six topics are important; focus on mastering Relational Database and NoSQL fundamentals first, then deepen your knowledge of real-world deployment and troubleshooting scenarios covered in Database Common Solution.
In a typical production workflow, Database Overview informs your initial service selection, Relational Database and NoSQL handle transactional or analytical data storage, Data Warehouse aggregates insights, Database Ecological Tools manage backups and migrations, and Database Common Solution ensures high availability and compliance. Understanding these connections helps you design end-to-end solutions rather than memorizing isolated facts.
Ideally, you should have deployed at least one database service on Alibaba Cloud and performed basic operations like creating instances, configuring backups, and monitoring performance. If you lack hands-on experience, prioritize Alibaba Cloud free tier labs for Relational Database and NoSQL to build familiarity with the console and common workflows.
Candidates often confuse when to use Relational Database versus NoSQL, overlook disaster recovery requirements in scenario questions, and misunderstand consistency and availability trade-offs in distributed systems. Read scenario questions carefully, identify the business constraint (cost, latency, consistency), and eliminate options that don't address that constraint.
Spend the first three days reviewing high-weight topics and redoing practice questions you missed. In days four and five, take a full-length timed practice test and review every explanation, even for correct answers. In the final two days, skim your notes on Database Ecological Tools and Database Common Solution, and do a quick mental walkthrough of three to four complex scenarios to reinforce your decision-making process.
Which of the following architectures are supported by ApsaraDB for Redis Enhanced Edition (Tair)? (Number of correct answers: 3)
You can purchase more read-only nodes after you have created a cluster. If the primary node fails, the system automatically promotes the read-only node with the highest failover priority to become the new primary node while restoring the faulty node.
Each node in a PolarDB cluster has a failover priority. The system performs the following steps to automatically elect a primary node:
Find all the read-only nodes that can be elected as the primary node.
Select one or more read-only nodes that have the highest failover priority.
If the failover to the first node fails due to reasons, such as network issues and abnormal replication status, the system tries to switch to another node until the failover succeeds.
https://www.alibabacloud.com/help/doc-detail/141229.htm?spm=a2c63.p38356.b99.113.36df231dK2DVX0
Your DTS (Data Transmission Service) migration has failed halfway through: what options do you
have? (Number of correct answers: 2)