ACA Database Certification
Last Update May 3, 2024
Total Questions : 80
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Which of the following is the lowest recovery point objective (RPO) for Database Backup Service?
Which of these are NOT good use cases for DTS (Data Transmission Service)? (Number of correct
answers: 2)
If a database exception occurs in a PolarDB cluster because important data is deleted by mistake, how i can data be restored?
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.
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?
Which of the following is not a feature or usage scenario of Data Lake Analytics (DLA)?
Alibaba Cloud DTS (Data Transmission Service) can only migrate between databases that are hosted
on RDS.
Which of the following statements about Data Transmission Service (DTS) migration scenarios is NOT true?
Which of the following tools can be used to migrate an on-premises database to Alibaba Cloud while causing minimal service downtime?
Which of the following tasks cannot be completed by using Advanced Database & Application Migration (ADAM)?
TESTED 04 May 2024
