ACA Database Certification Exam ACA-Database Dumps With Actual Questions and Answers

1. Which of the following specifications of AnalyticDB supports tiered storage of cold and hot data?

2. Alibaba Cloud DTS (Data Transmission Service) is a file migration tool.

3. PolarDB for MySQL archive databases use log-structured merge-trees (LSM trees) and the Zstandard (ZSTD) data compression algorithm to increase the data compression ratio .

How much storage can be saved, at most?

4. PolarDB for MySQL allows you to deploy a cluster across multiple zones. Compared with single-zone clusters, multi-zone clusters have better disaster recovery capabilities and can withstand data centre-level faults.

5. Which of the following is NOT true, regarding the sensitive data management feature provided by Data Management (DMS)?

6. Which of the following is the lowest recovery point objective (RPO) for Database Backup Service?

7. Why is ApsaraDB for PolarDB better than other traditional database engines? (The number of answer: 3)

8. Which database utility is used for data migration and synchronization?

9. Which of the following tasks cannot be completed by using Advanced Database & Application Migration (ADAM)?

10. Which of the following is not a component of the PolarDB-0 architecture in Apsara Stack?

11. Suppose you are using MySQL currently, if you want to migrate to cloud native database PolarDB with little effort, which one is the best choice?

12. DTS (Data Transmission Service) must have access to a database user account on both the target and source database, in order to work.

13. Which of the following computing capabilities are supported by AnalyticDB? (Number of correct answers: 4)

14. If a database exception occurs in a PolarDB cluster because important data is deleted by mistake, how i can data be restored?

15. Which database utility is good for database management and DevOps?

16. Which of the following statements is NOT correct about PolarDB?

17. Which of the following features determines high performance of the performance-enhanced instances of ApsaraDB for Redis Enhanced Edition (Tair)?

18. Which of the following is the high-availability service level that is specified in the ApsaraDB RDS Service Level Agreement (SLA)?

19. You are using DTS to migrate from a MySQL database installed on an ECS instance to a target

database on RDS.

In the DTS console, which of these is the correct "Instance Type" for the database?

20. What does DIM mean in data warehouse terms?

21. Which of the following statements about MongoDB is NOT true?

22. Alibaba Cloud DTS (Data Transmission Service) can only migrate between databases that are hosted

on RDS.

23. Which of the following architectures are supported by ApsaraDB for Redis Enhanced Edition (Tair)? (Number of correct answers: 3)

24. Each PolarDB cluster consists of one primary node and one or more read-only nodes. The system only support manually switch over services from the primary node to a read-only node.

25. CORRECT TEXT

Which of the following are features supported by Alibaba Cloud RDS for MySQL? (The number of Answer 3)